diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/WhiteboardController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/WhiteboardController.java
new file mode 100644
index 0000000..26c4a13
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/WhiteboardController.java
@@ -0,0 +1,63 @@
+package com.ruoyi.web.controller;
+
+import java.util.List;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import com.ruoyi.common.core.controller.BaseController;
+import com.ruoyi.common.core.domain.AjaxResult;
+import com.ruoyi.websocket.service.WhiteboardRoomService;
+
+/**
+ * 白板 Controller：房间维度的白板 CRUD，数据存 Redis
+ */
+@RestController
+@RequestMapping("/room")
+public class WhiteboardController extends BaseController {
+
+    @Autowired
+    private WhiteboardRoomService whiteboardRoomService;
+
+    /** 获取房间下所有白板列表 */
+    @GetMapping("/{roomId}/whiteboards")
+    public AjaxResult list(@PathVariable Long roomId) {
+        List<Object> list = whiteboardRoomService.listWhiteboards(roomId);
+        return success(list);
+    }
+
+    /** 获取单个白板详情 */
+    @GetMapping("/{roomId}/whiteboard/{whiteboardId}")
+    public AjaxResult get(@PathVariable Long roomId, @PathVariable String whiteboardId) {
+        Object wb = whiteboardRoomService.getWhiteboard(roomId, whiteboardId);
+        if (wb == null) return error("白板不存在");
+        return success(wb);
+    }
+
+    /** 创建白板 */
+    @PostMapping("/{roomId}/whiteboard")
+    public AjaxResult create(@PathVariable Long roomId, @RequestBody Object whiteboard) {
+        Object created = whiteboardRoomService.createWhiteboard(roomId, whiteboard);
+        return success(created);
+    }
+
+    /** 更新白板 */
+    @PutMapping("/{roomId}/whiteboard/{whiteboardId}")
+    public AjaxResult update(@PathVariable Long roomId, @PathVariable String whiteboardId,
+                            @RequestBody Object whiteboard) {
+        boolean ok = whiteboardRoomService.updateWhiteboard(roomId, whiteboardId, whiteboard);
+        return ok ? success() : error("更新失败");
+    }
+
+    /** 删除白板 */
+    @DeleteMapping("/{roomId}/whiteboard/{whiteboardId}")
+    public AjaxResult delete(@PathVariable Long roomId, @PathVariable String whiteboardId) {
+        boolean ok = whiteboardRoomService.deleteWhiteboard(roomId, whiteboardId);
+        return ok ? success() : error("删除失败");
+    }
+}
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/websocket/service/WhiteboardRoomService.java b/ruoyi-admin/src/main/java/com/ruoyi/websocket/service/WhiteboardRoomService.java
new file mode 100644
index 0000000..1423da3
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/websocket/service/WhiteboardRoomService.java
@@ -0,0 +1,124 @@
+package com.ruoyi.websocket.service;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+import com.alibaba.fastjson2.JSON;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.stereotype.Service;
+
+/**
+ * 白板房间服务：按房间维度将白板数据存储于 Redis
+ */
+@Service
+public class WhiteboardRoomService {
+
+    private static final String ROOM_WHITEBOARDS_PREFIX = "room:";
+    private static final String ROOM_WHITEBOARDS_SUFFIX = ":whiteboards";
+    private static final int EXPIRE_HOURS = 24;
+
+    @Autowired
+    @Qualifier("stringObjectRedisTemplate")
+    private RedisTemplate<String, Object> redisTemplate;
+
+    private String whiteboardsKey(Long roomId) {
+        return ROOM_WHITEBOARDS_PREFIX + roomId + ROOM_WHITEBOARDS_SUFFIX;
+    }
+
+    /** 获取房间下所有白板列表 */
+    @SuppressWarnings("unchecked")
+    public List<Object> listWhiteboards(Long roomId) {
+        if (roomId == null) return new ArrayList<>();
+        String key = whiteboardsKey(roomId);
+        Object raw = redisTemplate.opsForValue().get(key);
+        if (raw == null) return new ArrayList<>();
+        if (raw instanceof List) return (List<Object>) raw;
+        if (raw instanceof String) {
+            try {
+                return JSON.parseArray((String) raw);
+            } catch (Exception e) {
+                return new ArrayList<>();
+            }
+        }
+        return new ArrayList<>();
+    }
+
+    /** 获取单个白板详情 */
+    public Object getWhiteboard(Long roomId, String whiteboardId) {
+        List<Object> list = listWhiteboards(roomId);
+        for (Object item : list) {
+            if (item instanceof java.util.Map) {
+                Object id = ((java.util.Map<?, ?>) item).get("id");
+                if (whiteboardId.equals(String.valueOf(id))) return item;
+            }
+        }
+        return null;
+    }
+
+    /** 创建白板 */
+    public Object createWhiteboard(Long roomId, Object whiteboard) {
+        if (roomId == null || whiteboard == null) return null;
+        List<Object> list = listWhiteboards(roomId);
+        String id = UUID.randomUUID().toString();
+        Object wb = whiteboard;
+        if (wb instanceof java.util.Map) {
+            ((java.util.Map<String, Object>) wb).put("id", id);
+            if (!((java.util.Map<String, Object>) wb).containsKey("name")) {
+                ((java.util.Map<String, Object>) wb).put("name", "草稿");
+            }
+            if (!((java.util.Map<String, Object>) wb).containsKey("timeBlocks")) {
+                ((java.util.Map<String, Object>) wb).put("timeBlocks", new ArrayList<String>());
+            }
+            if (!((java.util.Map<String, Object>) wb).containsKey("contentByTime")) {
+                ((java.util.Map<String, Object>) wb).put("contentByTime", new java.util.HashMap<String, Object>());
+            }
+        }
+        list.add(wb);
+        saveWhiteboards(roomId, list);
+        return wb;
+    }
+
+    /** 更新白板 */
+    public boolean updateWhiteboard(Long roomId, String whiteboardId, Object whiteboard) {
+        if (roomId == null || whiteboardId == null || whiteboard == null) return false;
+        List<Object> list = listWhiteboards(roomId);
+        for (int i = 0; i < list.size(); i++) {
+            Object item = list.get(i);
+            if (item instanceof java.util.Map) {
+                Object id = ((java.util.Map<?, ?>) item).get("id");
+                if (whiteboardId.equals(String.valueOf(id))) {
+                    if (whiteboard instanceof java.util.Map) {
+                        ((java.util.Map<String, Object>) whiteboard).put("id", whiteboardId);
+                    }
+                    list.set(i, whiteboard);
+                    saveWhiteboards(roomId, list);
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    /** 删除白板 */
+    public boolean deleteWhiteboard(Long roomId, String whiteboardId) {
+        if (roomId == null || whiteboardId == null) return false;
+        List<Object> list = listWhiteboards(roomId);
+        boolean removed = list.removeIf(item -> {
+            if (item instanceof java.util.Map) {
+                Object id = ((java.util.Map<?, ?>) item).get("id");
+                return whiteboardId.equals(String.valueOf(id));
+            }
+            return false;
+        });
+        if (removed) saveWhiteboards(roomId, list);
+        return removed;
+    }
+
+    private void saveWhiteboards(Long roomId, List<Object> list) {
+        String key = whiteboardsKey(roomId);
+        redisTemplate.opsForValue().set(key, list, EXPIRE_HOURS, TimeUnit.HOURS);
+    }
+}
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/domain/MissionScenario.java b/ruoyi-system/src/main/java/com/ruoyi/system/domain/MissionScenario.java
index 605eb17..f8b9214 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/domain/MissionScenario.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/domain/MissionScenario.java
@@ -38,6 +38,9 @@ public class MissionScenario extends BaseEntity
     @Excel(name = "是否为当前默认展示方案")
     private Integer isActive;
 
+    /** 大房间ID（查询用，非持久化）：传入时查询 room_id IN (该大房间下所有子房间ID) */
+    private Long parentRoomId;
+
     public void setId(Long id) 
     {
         this.id = id;
@@ -98,6 +101,16 @@ public class MissionScenario extends BaseEntity
         return isActive;
     }
 
+    public Long getParentRoomId() 
+    {
+        return parentRoomId;
+    }
+
+    public void setParentRoomId(Long parentRoomId) 
+    {
+        this.parentRoomId = parentRoomId;
+    }
+
     @Override
     public String toString() {
         return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/domain/Routes.java b/ruoyi-system/src/main/java/com/ruoyi/system/domain/Routes.java
index b12ba07..e8188ef 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/domain/Routes.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/domain/Routes.java
@@ -47,6 +47,12 @@ public class Routes extends BaseEntity {
 
     private List<RouteWaypoints> waypoints;
 
+    /** 方案ID列表（查询用，非持久化）：传入时查询 scenario_id IN (...) */
+    private java.util.List<Long> scenarioIds;
+
+    /** 方案ID逗号分隔（查询用，便于前端传参）：如 "1,2,3" */
+    private String scenarioIdsStr;
+
     /** 关联的平台信息（仅用于 API 返回，非数据库字段） */
     private java.util.Map<String, Object> platform;
 
@@ -98,6 +104,34 @@ public class Routes extends BaseEntity {
         this.waypoints = waypoints;
     }
 
+    public java.util.List<Long> getScenarioIds() {
+        return scenarioIds;
+    }
+
+    public void setScenarioIds(java.util.List<Long> scenarioIds) {
+        this.scenarioIds = scenarioIds;
+    }
+
+    public String getScenarioIdsStr() {
+        return scenarioIdsStr;
+    }
+
+    public void setScenarioIdsStr(String scenarioIdsStr) {
+        this.scenarioIdsStr = scenarioIdsStr;
+        if (scenarioIdsStr != null && !scenarioIdsStr.trim().isEmpty()) {
+            java.util.List<Long> list = new java.util.ArrayList<>();
+            for (String s : scenarioIdsStr.split(",")) {
+                s = s.trim();
+                if (!s.isEmpty()) {
+                    try {
+                        list.add(Long.parseLong(s));
+                    } catch (NumberFormatException ignored) {}
+                }
+            }
+            this.scenarioIds = list.isEmpty() ? null : list;
+        }
+    }
+
     public java.util.Map<String, Object> getPlatform() {
         return platform;
     }
diff --git a/ruoyi-system/src/main/resources/mapper/system/MissionScenarioMapper.xml b/ruoyi-system/src/main/resources/mapper/system/MissionScenarioMapper.xml
index 152b447..d1eccc6 100644
--- a/ruoyi-system/src/main/resources/mapper/system/MissionScenarioMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/MissionScenarioMapper.xml
@@ -20,7 +20,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     <select id="selectMissionScenarioList" parameterType="MissionScenario" resultMap="MissionScenarioResult">
         <include refid="selectMissionScenarioVo"/>
         <where>  
-            <if test="roomId != null "> and room_id = #{roomId}</if>
+            <if test="parentRoomId != null"> and room_id in (select id from ry.rooms where parent_id = #{parentRoomId})</if>
+            <if test="parentRoomId == null and roomId != null "> and room_id = #{roomId}</if>
             <if test="name != null  and name != ''"> and name like concat('%', #{name}, '%')</if>
             <if test="version != null  and version != ''"> and version = #{version}</if>
             <if test="frontendDrawings != null  and frontendDrawings != ''"> and frontend_drawings = #{frontendDrawings}</if>
diff --git a/ruoyi-system/src/main/resources/mapper/system/RoutesMapper.xml b/ruoyi-system/src/main/resources/mapper/system/RoutesMapper.xml
index 2a99e7f..8cc066c 100644
--- a/ruoyi-system/src/main/resources/mapper/system/RoutesMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/RoutesMapper.xml
@@ -20,7 +20,10 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     <select id="selectRoutesList" parameterType="Routes" resultMap="RoutesResult">
         <include refid="selectRoutesVo"/>
         <where>  
-            <if test="scenarioId != null "> and scenario_id = #{scenarioId}</if>
+            <if test="scenarioIds != null and scenarioIds.size() > 0"> and scenario_id in
+                <foreach collection="scenarioIds" item="sid" open="(" separator="," close=")">#{sid}</foreach>
+            </if>
+            <if test="(scenarioIds == null or scenarioIds.size() == 0) and scenarioId != null "> and scenario_id = #{scenarioId}</if>
             <if test="platformId != null "> and platform_id = #{platformId}</if>
             <if test="callSign != null  and callSign != ''"> and call_sign = #{callSign}</if>
             <if test="attributes != null  and attributes != ''"> and attributes = #{attributes}</if>
diff --git a/ruoyi-ui/src/api/system/whiteboard.js b/ruoyi-ui/src/api/system/whiteboard.js
new file mode 100644
index 0000000..73d9f43
--- /dev/null
+++ b/ruoyi-ui/src/api/system/whiteboard.js
@@ -0,0 +1,43 @@
+import request from '@/utils/request'
+
+/** 获取房间下所有白板列表 */
+export function listWhiteboards(roomId) {
+  return request({
+    url: `/room/${roomId}/whiteboards`,
+    method: 'get'
+  })
+}
+
+/** 获取单个白板详情 */
+export function getWhiteboard(roomId, whiteboardId) {
+  return request({
+    url: `/room/${roomId}/whiteboard/${whiteboardId}`,
+    method: 'get'
+  })
+}
+
+/** 创建白板 */
+export function createWhiteboard(roomId, data) {
+  return request({
+    url: `/room/${roomId}/whiteboard`,
+    method: 'post',
+    data: data || {}
+  })
+}
+
+/** 更新白板 */
+export function updateWhiteboard(roomId, whiteboardId, data) {
+  return request({
+    url: `/room/${roomId}/whiteboard/${whiteboardId}`,
+    method: 'put',
+    data: data || {}
+  })
+}
+
+/** 删除白板 */
+export function deleteWhiteboard(roomId, whiteboardId) {
+  return request({
+    url: `/room/${roomId}/whiteboard/${whiteboardId}`,
+    method: 'delete'
+  })
+}
diff --git a/ruoyi-ui/src/views/cesiumMap/ContextMenu.vue b/ruoyi-ui/src/views/cesiumMap/ContextMenu.vue
index a3c4508..dac82db 100644
--- a/ruoyi-ui/src/views/cesiumMap/ContextMenu.vue
+++ b/ruoyi-ui/src/views/cesiumMap/ContextMenu.vue
@@ -404,9 +404,13 @@
       </div>
     </div>
 
-    <!-- 平台图标（拖拽到地图的图标）特有选项 -->
-    <div class="menu-section" v-if="entityData.type === 'platformIcon'">
+    <!-- 平台图标（拖拽到地图的图标）特有选项（白板平台不显示探测区/威力区/航线） -->
+    <div class="menu-section" v-if="entityData.type === 'platformIcon' && !entityData.isWhiteboard">
       <div class="menu-title">平台图标</div>
+      <div class="menu-item" @click="handleShowTransformBox">
+        <span class="menu-icon">🔄</span>
+        <span>显示伸缩框</span>
+      </div>
       <div class="menu-item" @click="handleDetectionZonePlatform">
         <span class="menu-icon">🔍</span>
         <span>探测区</span>
@@ -433,6 +437,15 @@
         <span>在此之后插入航线</span>
       </div>
     </div>
+
+    <!-- 白板平台：仅显示伸缩框（用于旋转） -->
+    <div class="menu-section" v-if="entityData.type === 'platformIcon' && entityData.isWhiteboard">
+      <div class="menu-title">白板平台</div>
+      <div class="menu-item" @click="handleShowTransformBox">
+        <span class="menu-icon">🔄</span>
+        <span>显示伸缩框</span>
+      </div>
+    </div>
   </div>
 </template>
 
@@ -551,6 +564,10 @@ export default {
       this.$emit('start-route-after-platform', this.entityData)
     },
 
+    handleShowTransformBox() {
+      this.$emit('show-transform-box')
+    },
+
     handleToggleRouteLabel() {
       this.$emit('toggle-route-label')
     },
diff --git a/ruoyi-ui/src/views/cesiumMap/DrawingToolbar.vue b/ruoyi-ui/src/views/cesiumMap/DrawingToolbar.vue
index 55218e3..4a496f4 100644
--- a/ruoyi-ui/src/views/cesiumMap/DrawingToolbar.vue
+++ b/ruoyi-ui/src/views/cesiumMap/DrawingToolbar.vue
@@ -13,6 +13,19 @@
         <i v-else :class="item.icon"></i>
       </div>
     </div>
+    <!-- 辅助线：水平/竖直约束选项（仅空域模式且选中辅助线时显示） -->
+    <div v-if="toolMode === 'airspace' && drawingMode === 'auxiliaryLine'" class="auxiliary-constraint-row">
+      <div
+        v-for="opt in auxiliaryConstraintOptions"
+        :key="opt.value"
+        class="constraint-option"
+        :class="{ active: auxiliaryLineConstraint === opt.value }"
+        @click.stop="$emit('auxiliary-line-constraint', opt.value)"
+        :title="opt.label"
+      >
+        {{ opt.label }}
+      </div>
+    </div>
   </div>
 </template>
 
@@ -35,10 +48,19 @@ export default {
     toolMode: {
       type: String,
       default: 'airspace' // 'airspace' or 'ranging'
+    },
+    auxiliaryLineConstraint: {
+      type: String,
+      default: 'none' // 'none' | 'horizontal' | 'vertical'
     }
   },
   data() {
     return {
+      auxiliaryConstraintOptions: [
+        { value: 'none', label: '自由' },
+        { value: 'horizontal', label: '水平' },
+        { value: 'vertical', label: '竖直' }
+      ],
       // 完整工具列表（空域模式，移除点和线）
       allToolbarItems: [
         { id: 'mouse', name: '鼠标', icon: 'cursor' },
@@ -161,6 +183,36 @@ export default {
   font-size: 16px;
 }
 
+.auxiliary-constraint-row {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  margin-top: 8px;
+  padding-top: 8px;
+  border-top: 1px solid rgba(0, 138, 255, 0.2);
+}
+
+.constraint-option {
+  font-size: 12px;
+  padding: 4px 8px;
+  border-radius: 4px;
+  cursor: pointer;
+  text-align: center;
+  color: #666;
+  background: rgba(255, 255, 255, 0.6);
+  transition: all 0.2s;
+}
+
+.constraint-option:hover {
+  background: rgba(0, 138, 255, 0.1);
+  color: #008aff;
+}
+
+.constraint-option.active {
+  background: rgba(0, 138, 255, 0.2);
+  color: #008aff;
+}
+
 .toolbar-item:disabled {
   opacity: 0.5;
   cursor: not-allowed;
diff --git a/ruoyi-ui/src/views/cesiumMap/index.vue b/ruoyi-ui/src/views/cesiumMap/index.vue
index 0b52f5f..088f4f0 100644
--- a/ruoyi-ui/src/views/cesiumMap/index.vue
+++ b/ruoyi-ui/src/views/cesiumMap/index.vue
@@ -7,11 +7,13 @@
       :drawing-mode="drawingMode"
       :has-entities="allEntities.length > 0"
       :tool-mode="toolMode"
+      :auxiliary-line-constraint="auxiliaryLineConstraint"
       @toggle-drawing="toggleDrawing"
       @clear-all="clearAll"
       @export-data="exportData"
       @import-data="importData"
       @locate="handleLocate"
+      @auxiliary-line-constraint="auxiliaryLineConstraint = $event"
     />
     <measurement-panel
       v-if="measurementResult"
@@ -391,6 +393,16 @@ export default {
     mapDragEnabled: {
       type: Boolean,
       default: false
+    },
+    /** 白板模式：隐藏主地图绘制/平台/航线，仅显示白板实体 */
+    whiteboardMode: {
+      type: Boolean,
+      default: false
+    },
+    /** 白板模式下要显示的实体列表 */
+    whiteboardEntities: {
+      type: Array,
+      default: () => []
     }
   },
 
@@ -476,6 +488,10 @@ export default {
         opacity: 0.3,
         visible: true
       },
+      /** 白板模式：进入时保存的主地图实体原始 show 状态，退出时还原 */
+      whiteboardHiddenEntityShows: {},
+      /** 白板平台实体 id -> entityData，用于拖拽/旋转时更新并回传 */
+      whiteboardEntityDataMap: {},
       /** 独立平台图标（非航线）的探测区/威力区样式缓存：platformIconId -> { ... } */
       platformIconZoneStyles: {},
       /** 探测区/威力区弹窗预选颜色（可与透明度组合） */
@@ -525,6 +541,8 @@ export default {
         text: { color: '#000000', font: '14px PingFang SC, Microsoft YaHei, Helvetica Neue, sans-serif', backgroundColor: 'rgba(255, 255, 255, 0.92)' },
         image: { width: 150, height: 150 }
       },
+      /** 辅助线：水平/竖直约束，'none' | 'horizontal' | 'vertical' */
+      auxiliaryLineConstraint: 'none',
       // 鼠标经纬度
       coordinatesText: '经度: --, 纬度: --',
       currentCoordinates: null,
@@ -657,6 +675,29 @@ export default {
       if (!val) {
         this.clearMissilePreview()
       }
+    },
+    whiteboardMode: {
+      handler(active) {
+        this.applyWhiteboardMode(active)
+        if (active) {
+          // 双 nextTick 确保父组件已更新 whiteboardEntities（如从主地图切回时 loadWhiteboards 完成）
+          this.$nextTick(() => {
+            this.$nextTick(() => {
+              const ents = this.whiteboardEntities || []
+              if (ents.length > 0) this.renderWhiteboardEntities(ents)
+            })
+          })
+        }
+      }
+    },
+    whiteboardEntities: {
+      deep: true,
+      immediate: true,
+      handler(entities) {
+        if (this.whiteboardMode && entities && entities.length > 0) {
+          this.renderWhiteboardEntities(entities)
+        }
+      }
     }
   },
   computed: {
@@ -1646,9 +1687,15 @@ export default {
     /** 从手柄实体 id 解析出平台图标 entityData 与类型（rotate / scale-0~3） */
     getPlatformIconDataFromHandleId(handleEntityId) {
       if (!handleEntityId || typeof handleEntityId !== 'string') return null;
+      const findEd = (baseId) => {
+        const ed = this.allEntities.find(e => e.type === 'platformIcon' && e.id === baseId);
+        if (ed) return ed;
+        if (baseId.startsWith('wb_') && this.whiteboardEntityDataMap) return this.whiteboardEntityDataMap[baseId];
+        return null;
+      };
       if (handleEntityId.endsWith('-rotate-handle')) {
         const baseId = handleEntityId.replace(/-rotate-handle$/, '');
-        const ed = this.allEntities.find(e => e.type === 'platformIcon' && e.id === baseId);
+        const ed = findEd(baseId);
         return ed ? { entityData: ed, type: 'rotate' } : null;
       }
       const scaleIdx = handleEntityId.lastIndexOf('-scale-');
@@ -1656,7 +1703,7 @@ export default {
         const baseId = handleEntityId.substring(0, scaleIdx);
         const cornerIndex = parseInt(handleEntityId.substring(scaleIdx + 7), 10);
         if (!isNaN(cornerIndex) && cornerIndex >= 0 && cornerIndex <= 3) {
-          const ed = this.allEntities.find(e => e.type === 'platformIcon' && e.id === baseId);
+          const ed = findEd(baseId);
           return ed ? { entityData: ed, type: 'scale', cornerIndex } : null;
         }
       }
@@ -3702,10 +3749,10 @@ export default {
 
     /**
      * 从 Redis 加载指定房间+航线列表的导弹数据并创建实体（会先清空当前导弹实体）
-     * routePlatforms: [{ routeId, platformId }]
+     * routePlatforms: [{ routeId, platformId, roomId? }]，roomId 可选，大房间时按航线所属方案用 plan.roomId
      */
     async loadMissilesFromRedis(roomId, routePlatforms) {
-      if (!this.viewer || !this.viewer.entities || !roomId || !Array.isArray(routePlatforms)) return
+      if (!this.viewer || !this.viewer.entities || !Array.isArray(routePlatforms)) return
       // 先清空当前所有导弹实体（包括 routePlatforms 为空时，如删除航线后需清除地图上的导弹）
       while (this.missileEntities.length) {
         const { entity } = this.missileEntities.pop()
@@ -3715,9 +3762,12 @@ export default {
         if (this.viewer.scene) this.viewer.scene.requestRender()
         return
       }
-      for (const { routeId, platformId } of routePlatforms) {
+      for (const item of routePlatforms) {
+        const { routeId, platformId } = item
+        const rId = item.roomId != null ? item.roomId : roomId
+        if (!rId) continue
         try {
-          const res = await getMissileParams({ roomId, routeId, platformId: platformId != null ? platformId : 0 })
+          const res = await getMissileParams({ roomId: rId, routeId, platformId: platformId != null ? platformId : 0 })
           let data = res.data
           if (!data) continue
           const arr = Array.isArray(data) ? data : [data]
@@ -3825,6 +3875,8 @@ export default {
         }
         this.loadOfflineMap()
         this.setup2DConstraints()
+        // 禁用右键拖拽缩放，仅保留滚轮缩放
+        this.viewer.scene.screenSpaceCameraController.zoomEventTypes = Cesium.CameraEventType.WHEEL
         // 移除 Cesium 自带的双击缩放，使双击实体/空白均无任何效果
         try {
           const handler = this.viewer.screenSpaceEventHandler || (this.viewer.cesiumWidget && this.viewer.cesiumWidget.screenSpaceEventHandler)
@@ -4254,6 +4306,9 @@ export default {
               }
             }
           }
+          if (!entityData && idStr.startsWith('wb_')) {
+            entityData = this.whiteboardEntityDataMap && this.whiteboardEntityDataMap[idStr]
+          }
           if (!entityData) {
             // 查找对应的实体数据
             entityData = this.allEntities.find(e => e.entity === pickedEntity || e === pickedEntity)
@@ -4466,7 +4521,10 @@ export default {
               return;
             }
           }
-          const entityData = this.allEntities.find(e => e.type === 'platformIcon' && e.entity === picked.id);
+          let entityData = this.allEntities.find(e => e.type === 'platformIcon' && e.entity === picked.id);
+          if (!entityData && idStr.startsWith('wb_')) {
+            entityData = this.whiteboardEntityDataMap && this.whiteboardEntityDataMap[idStr];
+          }
           if (entityData) {
             this.pendingDragIcon = entityData;
             this.dragStartScreenPos = { x: click.position.x, y: click.position.y };
@@ -4582,22 +4640,39 @@ export default {
         }
         this.clickedOnEmpty = false;
         if (this.draggingRotateHandle) {
-          this.$emit('platform-icon-updated', this.draggingRotateHandle);
+          if (this.draggingRotateHandle.isWhiteboard) {
+            this.$emit('whiteboard-platform-updated', this.draggingRotateHandle);
+          } else {
+            this.$emit('platform-icon-updated', this.draggingRotateHandle);
+          }
           this.viewer.scene.screenSpaceCameraController.enableInputs = this.platformIconDragCameraEnabled;
           this.draggingRotateHandle = null;
         }
         if (this.draggingScaleHandle) {
-          this.$emit('platform-icon-updated', this.draggingScaleHandle.entityData);
+          const ed = this.draggingScaleHandle.entityData;
+          if (ed && ed.isWhiteboard) {
+            this.$emit('whiteboard-platform-updated', ed);
+          } else {
+            this.$emit('platform-icon-updated', ed);
+          }
           this.viewer.scene.screenSpaceCameraController.enableInputs = this.platformIconDragCameraEnabled;
           this.draggingScaleHandle = null;
         }
         if (this.draggingPlatformIcon) {
-          this.$emit('platform-icon-updated', this.draggingPlatformIcon);
+          if (this.draggingPlatformIcon.isWhiteboard) {
+            this.$emit('whiteboard-platform-updated', this.draggingPlatformIcon);
+          } else {
+            this.$emit('platform-icon-updated', this.draggingPlatformIcon);
+          }
           this.viewer.scene.screenSpaceCameraController.enableInputs = this.platformIconDragCameraEnabled;
           this.draggingPlatformIcon = null;
         }
         if (this.rotatingPlatformIcon) {
-          this.$emit('platform-icon-updated', this.rotatingPlatformIcon);
+          if (this.rotatingPlatformIcon.isWhiteboard) {
+            this.$emit('whiteboard-platform-updated', this.rotatingPlatformIcon);
+          } else {
+            this.$emit('platform-icon-updated', this.rotatingPlatformIcon);
+          }
           this.viewer.scene.screenSpaceCameraController.enableInputs = this.platformIconDragCameraEnabled;
           this.rotatingPlatformIcon = null;
           this.platformIconRotateTip = '';
@@ -5100,14 +5175,26 @@ export default {
       }, Cesium.ScreenSpaceEventType.RIGHT_CLICK);
     },
     finishLineDrawing() {
-      // 将预览线段转换为最终线段
       if (this.drawingPoints.length > 1) {
-        // 移除预览线段
         if (this.tempPreviewEntity) {
           this.viewer.entities.remove(this.tempPreviewEntity);
           this.tempPreviewEntity = null;
         }
-        // 创建最终的实线实体（updateLineSegmentLabels 会在 addLineEntity 中设置各段终点标签，含累计长度和角度）
+        if (this.whiteboardMode) {
+          const points = this.drawingPoints.map(p => this.cartesianToLatLng(p))
+          const entityData = {
+            id: 'wb_line_' + Date.now(),
+            type: 'line',
+            label: '测距',
+            color: this.defaultStyles.line ? this.defaultStyles.line.color : '#008aff',
+            data: { points, width: (this.defaultStyles.line && this.defaultStyles.line.width) || 2 }
+          }
+          this.$emit('whiteboard-draw-complete', entityData)
+          this.drawingPoints = []
+          this.drawingPointEntities = []
+          this.tempEntity = null
+          return null
+        }
         const entity = this.addLineEntity([...this.drawingPoints], [...this.drawingPointEntities]);
         // 计算长度
         const length = this.calculateLineLength([...this.drawingPoints]);
@@ -5203,6 +5290,20 @@ export default {
     },
     finishPolygonDrawing() {
       const positions = [...this.drawingPoints]
+      if (this.whiteboardMode && positions.length >= 3) {
+        const points = positions.map(p => this.cartesianToLatLng(p))
+        const entityData = {
+          id: 'wb_polygon_' + Date.now(),
+          type: 'polygon',
+          label: '面',
+          color: this.defaultStyles.polygon.color,
+          data: { points, opacity: 0, width: this.defaultStyles.polygon.width }
+        }
+        this.$emit('whiteboard-draw-complete', entityData)
+        this.drawingPoints = []
+        if (this.tempEntity) { this.viewer.entities.remove(this.tempEntity); this.tempEntity = null }
+        return
+      }
       const entity = this.addPolygonEntity(positions)
       // 计算面积
       const area = this.calculatePolygonArea(positions)
@@ -5300,6 +5401,29 @@ export default {
       }, Cesium.ScreenSpaceEventType.RIGHT_CLICK);
     },
     finishRectangleDrawing() {
+      if (this.whiteboardMode && this.drawingPoints.length >= 2) {
+        const rect = Cesium.Rectangle.fromCartesianArray(this.drawingPoints)
+        const west = Cesium.Math.toDegrees(rect.west)
+        const south = Cesium.Math.toDegrees(rect.south)
+        const east = Cesium.Math.toDegrees(rect.east)
+        const north = Cesium.Math.toDegrees(rect.north)
+        const entityData = {
+          id: 'wb_rectangle_' + Date.now(),
+          type: 'rectangle',
+          label: '矩形',
+          color: this.defaultStyles.rectangle.color,
+          data: {
+            coordinates: { west, south, east, north },
+            points: this.drawingPoints.map(p => this.cartesianToLatLng(p)),
+            opacity: this.defaultStyles.rectangle.opacity,
+            width: this.defaultStyles.rectangle.width
+          }
+        }
+        this.$emit('whiteboard-draw-complete', entityData)
+        this.drawingPoints = []
+        if (this.tempEntity) { this.viewer.entities.remove(this.tempEntity); this.tempEntity = null }
+        return
+      }
       // 1. 获取最终的矩形范围对象
       const rect = Cesium.Rectangle.fromCartesianArray(this.drawingPoints);
       // 2. 移除动态预览的临时实体
@@ -5539,13 +5663,25 @@ export default {
     },
     finishCircleDrawing(edgePosition) {
       const centerPoint = this.drawingPoints[0];
-      // 1. 计算最终半径
       const radius = Cesium.Cartesian3.distance(centerPoint, edgePosition);
-      // 2. 移除动态预览实体
       if (this.tempEntity) {
         this.viewer.entities.remove(this.tempEntity);
         this.tempEntity = null;
       }
+      if (this.whiteboardMode) {
+        const center = this.cartesianToLatLng(centerPoint)
+        const entityData = {
+          id: 'wb_circle_' + Date.now(),
+          type: 'circle',
+          label: '圆形',
+          color: this.defaultStyles.circle.color,
+          data: { center: { lat: center.lat, lng: center.lng }, radius, opacity: this.defaultStyles.circle.opacity, width: this.defaultStyles.circle.width }
+        }
+        this.$emit('whiteboard-draw-complete', entityData)
+        this.drawingPoints = []
+        this.activeCursorPosition = null
+        return
+      }
       // 3. 创建最终显示的静态实体
       this.entityCounter++;
       const id = `circle_${this.entityCounter}`;
@@ -5734,11 +5870,23 @@ export default {
       const radius = Cesium.Cartesian3.distance(centerPoint, radiusPoint);
       const startAngle = this.calculatePointAngle(centerPoint, radiusPoint);
       const endAngle = this.calculatePointAngle(centerPoint, anglePoint);
-      // 1. 移除动态预览实体
       if (this.tempEntity) {
         this.viewer.entities.remove(this.tempEntity);
         this.tempEntity = null;
       }
+      if (this.whiteboardMode) {
+        const center = this.cartesianToLatLng(centerPoint)
+        const entityData = {
+          id: 'wb_sector_' + Date.now(),
+          type: 'sector',
+          label: '扇形',
+          color: this.defaultStyles.sector.color,
+          data: { center: { lat: center.lat, lng: center.lng }, radius, startAngle, endAngle, opacity: this.defaultStyles.sector.opacity, width: this.defaultStyles.sector.width }
+        }
+        this.$emit('whiteboard-draw-complete', entityData)
+        this.drawingPoints = []
+        return
+      }
       // 2. 生成扇形顶点
       const positions = this.generateSectorPositions(centerPoint, radius, startAngle, endAngle);
       // 3. 创建最终显示的静态实体
@@ -5886,6 +6034,20 @@ export default {
     calculateDistance(point1, point2) {
       return Cesium.Cartesian3.distance(point1, point2);
     },
+    /** 根据辅助线约束修正第二点坐标（水平：同纬度；竖直：同经度） */
+    applyAuxiliaryLineConstraint(firstPos, secondPos) {
+      if (!firstPos || !secondPos || this.auxiliaryLineConstraint === 'none') return secondPos
+      const firstLL = this.cartesianToLatLng(firstPos)
+      const secondLL = this.cartesianToLatLng(secondPos)
+      if (!firstLL || !secondLL) return secondPos
+      if (this.auxiliaryLineConstraint === 'horizontal') {
+        return Cesium.Cartesian3.fromDegrees(secondLL.lng, firstLL.lat)
+      }
+      if (this.auxiliaryLineConstraint === 'vertical') {
+        return Cesium.Cartesian3.fromDegrees(firstLL.lng, secondLL.lat)
+      }
+      return secondPos
+    },
     // 绘制辅助线（两点定线段，默认黑色 1px）
     startAuxiliaryLineDrawing() {
       this.drawingPoints = []
@@ -5893,15 +6055,22 @@ export default {
       if (this.tempPreviewEntity) this.viewer.entities.remove(this.tempPreviewEntity)
       this.tempEntity = null
       this.tempPreviewEntity = null
+      const that = this
       this.drawingHandler.setInputAction((movement) => {
-        const newPosition = this.getClickPosition(movement.endPosition)
+        let newPosition = that.getClickPosition(movement.endPosition)
+        if (newPosition && that.drawingPoints.length === 1) {
+          newPosition = that.applyAuxiliaryLineConstraint(that.drawingPoints[0], newPosition)
+        }
         if (newPosition) {
-          this.activeCursorPosition = newPosition
-          if (this.viewer.scene.requestRenderMode) this.viewer.scene.requestRender()
+          that.activeCursorPosition = newPosition
+          if (that.viewer.scene.requestRenderMode) that.viewer.scene.requestRender()
         }
       }, Cesium.ScreenSpaceEventType.MOUSE_MOVE)
       this.drawingHandler.setInputAction((click) => {
-        const position = this.getClickPosition(click.position)
+        let position = this.getClickPosition(click.position)
+        if (position && this.drawingPoints.length === 1) {
+          position = this.applyAuxiliaryLineConstraint(this.drawingPoints[0], position)
+        }
         if (position) {
           this.drawingPoints.push(position)
           if (this.drawingPoints.length === 1) {
@@ -5935,6 +6104,19 @@ export default {
           this.viewer.entities.remove(this.tempPreviewEntity)
           this.tempPreviewEntity = null
         }
+        if (this.whiteboardMode) {
+          const points = this.drawingPoints.map(p => this.cartesianToLatLng(p))
+          const entityData = {
+            id: 'wb_auxiliaryLine_' + Date.now(),
+            type: 'auxiliaryLine',
+            label: '辅助线',
+            color: this.defaultStyles.auxiliaryLine.color,
+            data: { points, width: this.defaultStyles.auxiliaryLine.width }
+          }
+          this.$emit('whiteboard-draw-complete', entityData)
+          this.drawingPoints = []
+          return null
+        }
         const entity = this.addAuxiliaryLineEntity([...this.drawingPoints])
         this.drawingPoints = []
         this.notifyDrawingEntitiesChanged()
@@ -6041,14 +6223,24 @@ export default {
     },
     // 完成箭头绘制
     finishArrowDrawing() {
-      // 将预览箭头转换为最终箭头
       if (this.drawingPoints.length > 1) {
-        // 移除预览箭头
         if (this.tempPreviewEntity) {
           this.viewer.entities.remove(this.tempPreviewEntity);
           this.tempPreviewEntity = null;
         }
-        // 创建最终的箭头实体
+        if (this.whiteboardMode) {
+          const points = this.drawingPoints.map(p => this.cartesianToLatLng(p))
+          const entityData = {
+            id: 'wb_arrow_' + Date.now(),
+            type: 'arrow',
+            label: '箭头',
+            color: this.defaultStyles.arrow.color,
+            data: { points, width: this.defaultStyles.arrow.width }
+          }
+          this.$emit('whiteboard-draw-complete', entityData)
+          this.drawingPoints = []
+          return null
+        }
         const entity = this.addArrowEntity([...this.drawingPoints]);
         // 重置绘制点数组，保持绘制状态以继续绘制
         this.drawingPoints = [];
@@ -6121,10 +6313,20 @@ export default {
     },
     // 添加文本实体
     addTextEntity(position, text) {
+      const { lat, lng } = this.cartesianToLatLng(position)
+      if (this.whiteboardMode) {
+        const entityData = {
+          id: 'wb_text_' + Date.now(),
+          type: 'text',
+          label: text,
+          color: this.defaultStyles.text.color,
+          data: { position: { lat, lng }, text, lat, lng, fontSize: 14, color: this.defaultStyles.text.color }
+        }
+        this.$emit('whiteboard-draw-complete', entityData)
+        return
+      }
       this.entityCounter++
       const id = `text_${this.entityCounter}`
-      // 获取经纬度坐标
-      const {lat, lng} = this.cartesianToLatLng(position)
       const entity = this.viewer.entities.add({
         id: id,
         name: `文本 ${this.entityCounter}`,
@@ -6248,10 +6450,19 @@ export default {
     },
     // 添加图片实体
     addImageEntity(position, imageUrl) {
+      const { lat, lng } = this.cartesianToLatLng(position)
+      if (this.whiteboardMode) {
+        const entityData = {
+          id: 'wb_image_' + Date.now(),
+          type: 'image',
+          label: '图片',
+          data: { lat, lng, imageUrl, width: this.defaultStyles.image.width, height: this.defaultStyles.image.height }
+        }
+        this.$emit('whiteboard-draw-complete', entityData)
+        return
+      }
       this.entityCounter++
       const id = `image_${this.entityCounter}`
-      // 获取经纬度坐标
-      const {lat, lng} = this.cartesianToLatLng(position)
       const entity = this.viewer.entities.add({
         id: id,
         name: `图片 ${this.entityCounter}`,
@@ -7349,12 +7560,15 @@ export default {
           }
           break;
         }
-        case 'circle':
+        case 'circle': {
           entityData.entity.position = newCenter;
           const radius = entityData.radius || 1000;
           entityData.entity.polyline.positions = this.generateCirclePositions(newCenter, radius);
-          entityData.points = [this.cartesianToLatLng(newCenter), entityData.points && entityData.points[1] ? entityData.points[1] : this.cartesianToLatLng(newCenter)];
+          const circleCenterLL = this.cartesianToLatLng(newCenter);
+          entityData.center = circleCenterLL;
+          entityData.points = [circleCenterLL, entityData.points && entityData.points[1] ? entityData.points[1] : circleCenterLL];
           break;
+        }
         case 'sector': {
           const newCenterLL = this.cartesianToLatLng(newCenter);
           entityData.center = newCenterLL;
@@ -7429,7 +7643,11 @@ export default {
           break;
       }
       entityData.entity.show = true;
-      this.notifyDrawingEntitiesChanged();
+      if (entityData.isWhiteboard) {
+        this.$emit('whiteboard-drawing-updated', this.serializeWhiteboardDrawingEntity(entityData));
+      } else {
+        this.notifyDrawingEntitiesChanged();
+      }
     },
 
     /** 清除空域位置调整模式 */
@@ -8313,12 +8531,15 @@ export default {
     deleteEntityFromContextMenu() {
       if (this.contextMenu.entityData) {
         const entityData = this.contextMenu.entityData
-        if (entityData.id) {
+        if (entityData.isWhiteboard) {
+          this.$emit('whiteboard-entity-deleted', entityData)
+          if (entityData.entity) this.viewer.entities.remove(entityData.entity)
+          if (this.whiteboardEntityDataMap && entityData.id) delete this.whiteboardEntityDataMap[entityData.id]
+        } else if (entityData.id) {
           this.removeEntity(entityData.id)
         } else if (entityData.entity && entityData.entity.id) {
           this.removeEntity(entityData.entity.id)
         }
-        // 隐藏右键菜单
         this.contextMenu.visible = false
       }
     },
@@ -8458,11 +8679,12 @@ export default {
         }
         // 更新实体样式
         this.updateEntityStyle(entityData)
-        // 若修改的是空域/威力区图形的样式，触发自动保存到房间，避免刷新后样式丢失
-        if (this.getDrawingEntityTypes().includes(entityData.type)) {
+        // 白板实体：通知父组件更新 contentByTime
+        if (entityData.isWhiteboard && this.getDrawingEntityTypes().includes(entityData.type)) {
+          this.$emit('whiteboard-drawing-updated', this.serializeWhiteboardDrawingEntity(entityData))
+        } else if (this.getDrawingEntityTypes().includes(entityData.type)) {
           this.notifyDrawingEntitiesChanged()
         }
-        // 隐藏右键菜单
         this.contextMenu.visible = false
       }
     },
@@ -8474,7 +8696,9 @@ export default {
         this.contextMenu.visible = false
         return
       }
-      const ed = this.allEntities.find(e => e.type === 'platformIcon' && e.id === fromMenu.id) || fromMenu
+      let ed = this.allEntities.find(e => e.type === 'platformIcon' && e.id === fromMenu.id)
+      if (!ed && fromMenu.id && this.whiteboardEntityDataMap) ed = this.whiteboardEntityDataMap[fromMenu.id]
+      if (!ed) ed = fromMenu
       if (!ed.entity) {
         this.contextMenu.visible = false
         return
@@ -8738,6 +8962,67 @@ export default {
       if (this.loadingDrawingsFromRoom) return
       this.$emit('drawing-entities-changed')
     },
+    /** 白板绘制实体序列化（排除 entity 引用，供父组件更新 contentByTime；输出可复用的 data 结构） */
+    serializeWhiteboardDrawingEntity(entityData) {
+      if (!entityData || !entityData.id) return null
+      const base = { id: entityData.id, type: entityData.type, color: entityData.color || '#008aff' }
+      const data = entityData.data ? { ...entityData.data } : {}
+      switch (entityData.type) {
+        case 'polygon':
+          if (entityData.points && entityData.points.length >= 3) {
+            data.points = entityData.points
+            data.opacity = entityData.opacity != null ? entityData.opacity : 0
+            data.width = entityData.width != null ? entityData.width : 2
+            data.borderColor = entityData.borderColor || entityData.color
+          }
+          break
+        case 'rectangle':
+          if (entityData.points && entityData.points.length >= 2) {
+            const lngs = entityData.points.map(p => p.lng)
+            const lats = entityData.points.map(p => p.lat)
+            data.coordinates = { west: Math.min(...lngs), south: Math.min(...lats), east: Math.max(...lngs), north: Math.max(...lats) }
+            data.points = entityData.points
+          }
+          data.opacity = entityData.opacity != null ? entityData.opacity : 0
+          data.width = entityData.width != null ? entityData.width : 2
+          data.borderColor = entityData.borderColor || entityData.color
+          break
+        case 'circle':
+          data.center = entityData.center || (entityData.points && entityData.points[0] ? entityData.points[0] : null)
+          data.radius = entityData.radius != null ? entityData.radius : 1000
+          data.opacity = entityData.opacity != null ? entityData.opacity : 0
+          data.width = entityData.width != null ? entityData.width : 2
+          data.borderColor = entityData.borderColor || entityData.color
+          break
+        case 'sector':
+          data.center = entityData.center || (entityData.points && entityData.points[0] ? entityData.points[0] : null)
+          data.radius = entityData.radius != null ? entityData.radius : 1000
+          data.startAngle = entityData.startAngle != null ? entityData.startAngle : 0
+          data.endAngle = entityData.endAngle != null ? entityData.endAngle : Math.PI * 0.5
+          data.opacity = entityData.opacity != null ? entityData.opacity : 0.5
+          data.width = entityData.width != null ? entityData.width : 2
+          data.borderColor = entityData.borderColor || entityData.color
+          break
+        case 'line':
+        case 'auxiliaryLine':
+          if (entityData.points && entityData.points.length >= 2) {
+            data.points = entityData.points
+            data.width = entityData.width != null ? entityData.width : 2
+            data.color = entityData.color || entityData.data?.color
+          }
+          break
+        case 'arrow':
+          if (entityData.points && entityData.points.length >= 2) {
+            data.points = entityData.points
+            data.width = entityData.width != null ? entityData.width : 12
+            data.color = entityData.color || entityData.data?.color
+          }
+          break
+        default:
+          return { ...base, data: entityData.data || {} }
+      }
+      return { ...base, data }
+    },
     /** 将单个实体序列化为可存储的 JSON 结构 */
     serializeEntityForSave(entity) {
       const base = { id: entity.id, type: entity.type, label: entity.label || '', color: entity.color || '#008aff' }
@@ -8878,6 +9163,402 @@ export default {
       })
       this.allEntities = this.allEntities.filter(item => !types.includes(item.type))
     },
+    /** 从屏幕坐标获取经纬度（用于白板拖放等） */
+    getLatLngFromScreen(clientX, clientY) {
+      if (!this.viewer || !this.viewer.scene || !this.viewer.scene.canvas) return null
+      const canvas = this.viewer.scene.canvas
+      const rect = canvas.getBoundingClientRect()
+      const x = clientX - rect.left
+      const y = clientY - rect.top
+      const cartesian = this.viewer.camera.pickEllipsoid(new Cesium.Cartesian2(x, y), this.viewer.scene.globe.ellipsoid)
+      if (!cartesian) return null
+      return this.cartesianToLatLng(cartesian)
+    },
+    /** 白板模式：遍历 viewer 全部实体，隐藏非白板实体（含航点、航线、平台等），退出时还原 */
+    applyWhiteboardMode(active) {
+      if (!this.viewer) return
+      const now = Cesium.JulianDate.now()
+      if (active) {
+        this.whiteboardHiddenEntityShows = {}
+        this.viewer.entities.values.forEach(entity => {
+          const id = entity.id
+          if (!id || String(id).startsWith('wb_')) return
+          let origShow = true
+          if (entity.show != null) {
+            origShow = typeof entity.show.getValue === 'function' ? entity.show.getValue(now) : entity.show
+          }
+          this.whiteboardHiddenEntityShows[id] = origShow
+          entity.show = false
+        })
+        this.renderWhiteboardEntities(this.whiteboardEntities || [])
+      } else {
+        Object.keys(this.whiteboardHiddenEntityShows || {}).forEach(id => {
+          const entity = this.viewer.entities.getById(id)
+          if (entity) entity.show = this.whiteboardHiddenEntityShows[id]
+        })
+        this.whiteboardHiddenEntityShows = {}
+        this.clearWhiteboardEntities()
+      }
+    },
+    /** 清除白板实体（id 以 wb_ 开头） */
+    clearWhiteboardEntities() {
+      if (!this.viewer) return
+      const toRemove = []
+      this.viewer.entities.values.forEach(e => {
+        if (e.id && String(e.id).startsWith('wb_')) toRemove.push(e)
+      })
+      toRemove.forEach(e => this.viewer.entities.remove(e))
+      this.whiteboardEntityDataMap = {}
+    },
+    /** 渲染白板实体到地图（平台图标：已存在则就地更新，避免清除重建导致渲染闪烁/消失） */
+    renderWhiteboardEntities(entities) {
+      if (!this.viewer || !Array.isArray(entities)) return
+      const scene = this.viewer.scene
+      const wantIds = new Set()
+      entities.forEach(ed => {
+        if (ed.type === 'platformIcon') {
+          const id = (ed.id || '').startsWith('wb_') ? ed.id : ('wb_' + (ed.id || ''))
+          if (id) wantIds.add(id)
+        } else {
+          const id = (ed.id || '').startsWith('wb_') ? ed.id : ('wb_' + (ed.id || ''))
+          if (id) wantIds.add(id)
+        }
+      })
+
+      this.whiteboardEntityDataMap = this.whiteboardEntityDataMap || {}
+      const toRemove = []
+      this.viewer.entities.values.forEach(e => {
+        if (e.id && String(e.id).startsWith('wb_') && !wantIds.has(e.id)) toRemove.push(e)
+      })
+      toRemove.forEach(e => this.viewer.entities.remove(e))
+      Object.keys(this.whiteboardEntityDataMap).forEach(id => {
+        if (!wantIds.has(id)) {
+          const ed = this.whiteboardEntityDataMap[id]
+          if (ed && ed.entity) this.viewer.entities.remove(ed.entity)
+          delete this.whiteboardEntityDataMap[id]
+        }
+      })
+
+      entities.forEach(ed => {
+        try {
+          if (ed.type === 'platformIcon') {
+            const id = (ed.id || 'wb_platform_' + Date.now()).startsWith('wb_') ? ed.id : 'wb_' + ed.id
+            const existing = this.whiteboardEntityDataMap[id]
+            if (existing && existing.entity) {
+              this.updateWhiteboardPlatformIconInPlace(existing, ed)
+            } else {
+              this.addWhiteboardPlatformIcon(ed)
+            }
+          } else {
+            this.addWhiteboardDrawingEntity(ed)
+          }
+        } catch (err) {
+          console.warn('renderWhiteboardEntity failed', ed?.type, err)
+        }
+      })
+
+      if (scene && scene.requestRender) {
+        scene.requestRender()
+        setTimeout(() => scene.requestRender(), 50)
+      }
+    },
+    /** 就地更新白板平台图标（不销毁实体，避免 requestRenderMode 下渲染消失） */
+    updateWhiteboardPlatformIconInPlace(existing, ed) {
+      existing.lat = ed.lat
+      existing.lng = ed.lng
+      existing.heading = ed.heading != null ? ed.heading : 0
+      existing.iconScale = ed.iconScale != null ? ed.iconScale : 1.5
+      existing.entity.position = Cesium.Cartesian3.fromDegrees(ed.lng, ed.lat)
+      existing.entity.billboard.rotation = Math.PI / 2 - (existing.heading * Math.PI / 180)
+      this.updatePlatformIconBillboardSize(existing)
+      if (existing.transformHandles) this.updateTransformHandlePositions(existing)
+      if (this.viewer.scene && this.viewer.scene.requestRender) this.viewer.scene.requestRender()
+    },
+    /** 白板平台图标：添加 billboard，并存入 whiteboardEntityDataMap 以支持拖拽/旋转 */
+    addWhiteboardPlatformIcon(ed) {
+      const platform = ed.platform || {}
+      const iconUrl = platform.imageUrl || platform.iconUrl
+      const imageSrc = iconUrl ? this.formatPlatformIconUrl(iconUrl) : this.getDefaultPlatformIconDataUrl()
+      const id = (ed.id || 'wb_platform_' + Date.now()).startsWith('wb_') ? ed.id : 'wb_' + ed.id
+      const lat = ed.lat
+      const lng = ed.lng
+      const heading = ed.heading != null ? ed.heading : 0
+      const rotation = Math.PI / 2 - (heading * Math.PI / 180)
+      const size = this.PLATFORM_ICON_BASE_SIZE * (ed.iconScale != null ? ed.iconScale : 1.5)
+      const cartesian = Cesium.Cartesian3.fromDegrees(lng, lat)
+      const entity = this.viewer.entities.add({
+        id,
+        name: ed.label || platform.name || '平台',
+        position: cartesian,
+        billboard: {
+          image: imageSrc,
+          width: size,
+          height: size,
+          verticalOrigin: Cesium.VerticalOrigin.CENTER,
+          horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
+          rotation,
+          scaleByDistance: new Cesium.NearFarScalar(500, 1.2, 200000, 0.35),
+          translucencyByDistance: new Cesium.NearFarScalar(1000, 1.0, 500000, 0.6)
+        }
+      })
+      const entityData = { id, entity, lat, lng, heading, platform, platformName: platform.name, label: ed.label, type: 'platformIcon', isWhiteboard: true, iconScale: ed.iconScale != null ? ed.iconScale : 1.5 }
+      this.whiteboardEntityDataMap = this.whiteboardEntityDataMap || {}
+      this.whiteboardEntityDataMap[id] = entityData
+    },
+    /** 白板空域/图形实体：复用 importEntity 逻辑但不加入 allEntities */
+    addWhiteboardDrawingEntity(ed) {
+      const id = (ed.id || 'wb_draw_' + Date.now()).startsWith('wb_') ? ed.id : 'wb_' + ed.id
+      const entityData = { ...ed, id }
+      if (ed.data) {
+        entityData.data = ed.data
+      }
+      const existing = this.whiteboardEntityDataMap && this.whiteboardEntityDataMap[id]
+      if (existing && existing.entity) {
+        this.viewer.entities.remove(existing.entity)
+        delete this.whiteboardEntityDataMap[id]
+      }
+      this.importEntityAsWhiteboard(entityData)
+    },
+    /** 仅添加图形到 viewer，不加入 allEntities（用于白板） */
+    importEntityAsWhiteboard(entityData) {
+      const color = entityData.color || '#008aff'
+      const types = this.getDrawingEntityTypes()
+      if (!types.includes(entityData.type)) return
+      const data = entityData.data || {}
+      let entity
+      switch (entityData.type) {
+        case 'rectangle': {
+          const rectCoords = data.coordinates || (data.points && data.points.length >= 2
+            ? { west: Math.min(...data.points.map(p => p.lng)), south: Math.min(...data.points.map(p => p.lat)), east: Math.max(...data.points.map(p => p.lng)), north: Math.max(...data.points.map(p => p.lat)) }
+            : null)
+          if (!rectCoords) return
+          const rectOpacity = data.opacity != null ? data.opacity : 0
+          const rectWidth = data.width != null ? data.width : 2
+          const rectBorderColor = data.borderColor || color
+          const southwest = Cesium.Cartesian3.fromDegrees(rectCoords.west, rectCoords.south)
+          const southeast = Cesium.Cartesian3.fromDegrees(rectCoords.east, rectCoords.south)
+          const northeast = Cesium.Cartesian3.fromDegrees(rectCoords.east, rectCoords.north)
+          const northwest = Cesium.Cartesian3.fromDegrees(rectCoords.west, rectCoords.north)
+          entity = this.viewer.entities.add({
+            id: entityData.id,
+            rectangle: {
+              coordinates: Cesium.Rectangle.fromDegrees(rectCoords.west, rectCoords.south, rectCoords.east, rectCoords.north),
+              material: Cesium.Color.fromCssColorString(color).withAlpha(rectOpacity)
+            },
+            polyline: {
+              positions: [southwest, southeast, northeast, northwest, southwest],
+              width: rectWidth,
+              material: Cesium.Color.fromCssColorString(rectBorderColor),
+              arcType: Cesium.ArcType.NONE
+            }
+          })
+          entityData.points = [this.cartesianToLatLng(southwest), this.cartesianToLatLng(southeast), this.cartesianToLatLng(northeast), this.cartesianToLatLng(northwest)]
+          entityData.opacity = rectOpacity
+          entityData.width = rectWidth
+          entityData.borderColor = rectBorderColor
+          break
+        }
+        case 'polygon': {
+          const polygonPositions = (data.points || []).map(p => Cesium.Cartesian3.fromDegrees(p.lng, p.lat))
+          if (polygonPositions.length < 3) return
+          const polyOpacity = data.opacity != null ? data.opacity : 0
+          const polyWidth = data.width != null ? data.width : 2
+          const polyBorderColor = data.borderColor || color
+          entity = this.viewer.entities.add({
+            id: entityData.id,
+            polygon: {
+              hierarchy: polygonPositions,
+              material: Cesium.Color.fromCssColorString(color).withAlpha(polyOpacity)
+            },
+            polyline: {
+              positions: [...polygonPositions, polygonPositions[0]],
+              width: polyWidth,
+              material: Cesium.Color.fromCssColorString(polyBorderColor),
+              arcType: Cesium.ArcType.NONE
+            }
+          })
+          entityData.positions = polygonPositions
+          entityData.points = data.points || polygonPositions.map(p => this.cartesianToLatLng(p))
+          entityData.opacity = polyOpacity
+          entityData.width = polyWidth
+          entityData.borderColor = polyBorderColor
+          break
+        }
+        case 'circle': {
+          const center = data.center || {}
+          const radius = data.radius || 1000
+          const circleCenter = Cesium.Cartesian3.fromDegrees(center.lng || 0, center.lat || 0)
+          const circlePositions = this.generateCirclePositions(circleCenter, radius)
+          const circleOpacity = data.opacity != null ? data.opacity : 0
+          const circleWidth = data.width != null ? data.width : 2
+          const circleBorderColor = data.borderColor || color
+          entity = this.viewer.entities.add({
+            id: entityData.id,
+            position: circleCenter,
+            ellipse: {
+              semiMajorAxis: radius,
+              semiMinorAxis: radius,
+              material: Cesium.Color.fromCssColorString(color).withAlpha(circleOpacity),
+              arcType: Cesium.ArcType.NONE
+            },
+            polyline: {
+              positions: circlePositions,
+              width: circleWidth,
+              material: Cesium.Color.fromCssColorString(circleBorderColor),
+              arcType: Cesium.ArcType.NONE
+            }
+          })
+          entityData.radius = radius
+          entityData.center = center
+          entityData.points = [center.lng != null && center.lat != null ? center : this.cartesianToLatLng(circleCenter)]
+          entityData.opacity = circleOpacity
+          entityData.width = circleWidth
+          entityData.borderColor = circleBorderColor
+          break
+        }
+        case 'powerZone': {
+          const center = data.center || {}
+          const radius = (data.radius || 50000) * 1000
+          const centerPos = Cesium.Cartesian3.fromDegrees(center.lng || 0, center.lat || 0)
+          const zoneColor = data.color || color
+          const zoneOpacity = data.opacity != null ? data.opacity : 0.3
+          entity = this.viewer.entities.add({
+            id: entityData.id,
+            position: centerPos,
+            ellipse: {
+              semiMajorAxis: radius,
+              semiMinorAxis: radius,
+              material: Cesium.Color.fromCssColorString(zoneColor).withAlpha(zoneOpacity),
+              arcType: Cesium.ArcType.NONE
+            }
+          })
+          break
+        }
+        case 'text': {
+          const pos = data.position || (data.lat != null && data.lng != null ? { lat: data.lat, lng: data.lng } : null)
+          const text = data.text || entityData.label || ''
+          if (!pos || (pos.lng == null && pos.lat == null)) return
+          const lng = pos.lng != null ? pos.lng : (data.lng != null ? data.lng : 0)
+          const lat = pos.lat != null ? pos.lat : (data.lat != null ? data.lat : 0)
+          entity = this.viewer.entities.add({
+            id: entityData.id,
+            position: Cesium.Cartesian3.fromDegrees(lng, lat),
+            label: {
+              text,
+              font: (data.fontSize || 14) + 'px sans-serif',
+              fillColor: Cesium.Color.fromCssColorString(data.color || color),
+              outlineColor: Cesium.Color.BLACK,
+              outlineWidth: 2,
+              style: Cesium.LabelStyle.FILL_AND_OUTLINE,
+              verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
+              pixelOffset: new Cesium.Cartesian2(0, -10)
+            }
+          })
+          break
+        }
+        case 'sector': {
+          const center = data.center || {}
+          const radius = data.radius || 1000
+          const startAngle = data.startAngle != null ? data.startAngle : 0
+          const endAngle = data.endAngle != null ? data.endAngle : Math.PI * 0.5
+          const centerPos = Cesium.Cartesian3.fromDegrees(center.lng || 0, center.lat || 0)
+          const positions = this.generateSectorPositions(centerPos, radius, startAngle, endAngle)
+          const sectorOpacity = data.opacity != null ? data.opacity : 0.5
+          const sectorWidth = data.width != null ? data.width : 2
+          const sectorBorderColor = data.borderColor || color
+          entity = this.viewer.entities.add({
+            id: entityData.id,
+            polygon: {
+              hierarchy: new Cesium.PolygonHierarchy(positions),
+              material: Cesium.Color.fromCssColorString(color).withAlpha(sectorOpacity)
+            },
+            polyline: {
+              positions: positions,
+              width: sectorWidth,
+              material: Cesium.Color.fromCssColorString(sectorBorderColor),
+              arcType: Cesium.ArcType.NONE
+            }
+          })
+          entityData.center = center
+          entityData.radius = radius
+          entityData.startAngle = startAngle
+          entityData.endAngle = endAngle
+          entityData.positions = positions
+          entityData.opacity = sectorOpacity
+          entityData.width = sectorWidth
+          entityData.borderColor = sectorBorderColor
+          break
+        }
+        case 'line':
+        case 'auxiliaryLine': {
+          const pts = (data.points || []).map(p => Cesium.Cartesian3.fromDegrees(p.lng, p.lat))
+          if (pts.length < 2) return
+          const lineWidth = data.width != null ? data.width : 2
+          const lineColor = data.color || color
+          entity = this.viewer.entities.add({
+            id: entityData.id,
+            polyline: {
+              positions: pts,
+              width: lineWidth,
+              material: Cesium.Color.fromCssColorString(lineColor),
+              arcType: Cesium.ArcType.NONE
+            }
+          })
+          entityData.positions = pts
+          entityData.points = data.points || pts.map(p => this.cartesianToLatLng(p))
+          entityData.width = lineWidth
+          entityData.color = lineColor
+          break
+        }
+        case 'arrow': {
+          const arrowPts = (data.points || []).map(p => Cesium.Cartesian3.fromDegrees(p.lng, p.lat))
+          if (arrowPts.length < 2) return
+          const arrowWidth = data.width != null ? data.width : 12
+          const arrowColor = data.color || color
+          entity = this.viewer.entities.add({
+            id: entityData.id,
+            polyline: {
+              positions: arrowPts,
+              width: arrowWidth,
+              material: new Cesium.PolylineArrowMaterialProperty(Cesium.Color.fromCssColorString(arrowColor)),
+              arcType: Cesium.ArcType.NONE,
+              widthInMeters: false
+            }
+          })
+          entityData.positions = arrowPts
+          entityData.points = data.points || arrowPts.map(p => this.cartesianToLatLng(p))
+          entityData.width = arrowWidth
+          entityData.color = arrowColor
+          break
+        }
+        case 'image': {
+          if (!data.imageUrl || data.lat == null || data.lng == null) return
+          const imgPos = Cesium.Cartesian3.fromDegrees(data.lng, data.lat)
+          entity = this.viewer.entities.add({
+            id: entityData.id,
+            position: imgPos,
+            billboard: {
+              image: data.imageUrl,
+              width: data.width != null ? data.width : 64,
+              height: data.height != null ? data.height : 64,
+              verticalOrigin: Cesium.VerticalOrigin.CENTER,
+              horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
+              scaleByDistance: new Cesium.NearFarScalar(200, 1.12, 1200000, 0.72),
+              translucencyByDistance: new Cesium.NearFarScalar(300, 1.0, 600000, 0.88)
+            }
+          })
+          break
+        }
+        default:
+          return
+      }
+      if (entity && entityData.id) {
+        entityData.entity = entity
+        entityData.isWhiteboard = true
+        this.whiteboardEntityDataMap = this.whiteboardEntityDataMap || {}
+        this.whiteboardEntityDataMap[entityData.id] = entityData
+      }
+    },
     /** 从房间/方案加载的 frontend_drawings JSON 恢复空域图形（先清空当前图形再导入；加载期间不触发自动保存） */
     loadFrontendDrawings(data) {
       if (!this.viewer) return
diff --git a/ruoyi-ui/src/views/childRoom/BottomLeftPanel.vue b/ruoyi-ui/src/views/childRoom/BottomLeftPanel.vue
index d3de847..386bb15 100644
--- a/ruoyi-ui/src/views/childRoom/BottomLeftPanel.vue
+++ b/ruoyi-ui/src/views/childRoom/BottomLeftPanel.vue
@@ -5,6 +5,7 @@
       ref="timeline"
       @timeline-hidden="onTimelineHidden"
       :room-id="roomId"
+      :is-parent-room="isParentRoom"
     />
 
     <div class="bottom-left-panel" v-show="showPanel">
@@ -22,6 +23,10 @@
           <i class="el-icon-s-operation"></i>
           <span>六步法</span>
         </div>
+        <div class="panel-item" @click="toggleWhiteboard">
+          <i class="el-icon-edit"></i>
+          <span>白板</span>
+        </div>
       </div>
     </div>
 
@@ -60,6 +65,10 @@ export default {
     roomId: {
       type: [Number, String],
       default: null
+    },
+    isParentRoom: {
+      type: Boolean,
+      default: false
     }
   },
   computed: {
@@ -125,6 +134,10 @@ export default {
       this.isExpanded = false
       this.updateBottomPanelVisible()
     },
+    toggleWhiteboard() {
+      this.$emit('open-whiteboard')
+      this.isExpanded = false
+    },
     saveProgress(overlayProgress) {
       if (!this.progressStorageKey) return
       try {
diff --git a/ruoyi-ui/src/views/childRoom/BottomTimeline.vue b/ruoyi-ui/src/views/childRoom/BottomTimeline.vue
index 580997a..70fcb96 100644
--- a/ruoyi-ui/src/views/childRoom/BottomTimeline.vue
+++ b/ruoyi-ui/src/views/childRoom/BottomTimeline.vue
@@ -26,12 +26,13 @@
             :class="{ active: segment.active, passed: segment.passed }"
             :style="{ left: segment.position + '%' }"
             @click="openSegmentDialog(segment)"
-            :title="segment.time + ' - ' + segment.name"
+            :title="segment.time + ' - ' + segment.name + (segment.roomName ? ' [' + segment.roomName + ']' : '')"
           >
             <div class="marker-dot"></div>
             <div class="marker-tooltip">
               <div class="tooltip-time">{{ segment.time }}</div>
               <div class="tooltip-name">{{ segment.name }}</div>
+              <div v-if="segment.roomName" class="tooltip-room">{{ segment.roomName }}</div>
             </div>
           </div>
         </div>
@@ -107,6 +108,7 @@
               <div class="segment-time">{{ segment.time }}</div>
               <div class="segment-info">
                 <div class="segment-name">{{ segment.name }}</div>
+                <div v-if="segment.roomName" class="segment-room">{{ segment.roomName }}</div>
                 <div class="segment-desc">{{ segment.description }}</div>
               </div>
               <div class="segment-status">
@@ -173,6 +175,10 @@
           <label>名称：</label>
           <span>{{ currentSegment.name }}</span>
         </div>
+        <div v-if="currentSegment.roomName" class="detail-row">
+          <label>所属房间：</label>
+          <span>{{ currentSegment.roomName }}</span>
+        </div>
         <div class="detail-row">
           <label>描述：</label>
           <span>{{ currentSegment.description }}</span>
@@ -194,6 +200,7 @@
 
 <script>
 import { getTimelineSegmentsByRoomId, addTimelineSegment, updateTimelineSegment, delTimelineSegment } from '@/api/system/timeline'
+import { listRooms } from '@/api/system/rooms'
 
 export default {
   name: 'BottomTimeline',
@@ -201,6 +208,11 @@ export default {
     roomId: {
       type: [Number, String],
       default: null
+    },
+    /** 是否为大房间（parent_id 为 null），大房间时合并展示所有子房间的时间段 */
+    isParentRoom: {
+      type: Boolean,
+      default: false
     }
   },
   data() {
@@ -246,6 +258,9 @@ export default {
         }
       },
       immediate: true
+    },
+    isParentRoom() {
+      if (this.roomId) this.loadTimelineSegments()
     }
   },
   methods: {
@@ -286,21 +301,26 @@ export default {
 
       try {
         this.isLoading = true
-        const response = await getTimelineSegmentsByRoomId(this.roomId)
-        if (response.code === 200 && response.data && response.data.length > 0) {
-          this.timelineSegments = response.data.map(item => ({
-            segmentId: item.segmentId,
-            time: item.segmentTime,
-            name: item.segmentName,
-            description: item.segmentDesc,
-            active: false,
-            passed: false,
-            position: 0,
-            triggered: false
-          }))
-          this.updateTimeline()
+        if (this.isParentRoom) {
+          await this.loadMergedTimelineSegments()
         } else {
-          this.initDefaultSegments()
+          const response = await getTimelineSegmentsByRoomId(this.roomId)
+          if (response.code === 200 && response.data && response.data.length > 0) {
+            this.timelineSegments = response.data.map(item => ({
+              segmentId: item.segmentId,
+              time: item.segmentTime,
+              name: item.segmentName,
+              description: item.segmentDesc,
+              roomName: null,
+              active: false,
+              passed: false,
+              position: 0,
+              triggered: false
+            }))
+            this.updateTimeline()
+          } else {
+            this.initDefaultSegments()
+          }
         }
       } catch (error) {
         console.error('加载时间轴数据失败:', error)
@@ -310,6 +330,81 @@ export default {
       }
     },
 
+    /** 大房间时：查询所有子房间的时间段，相同时间的合并为一条，按时间排序，并标注所属子房间名称 */
+    async loadMergedTimelineSegments() {
+      const roomsRes = await listRooms({ pageNum: 1, pageSize: 999, parentId: this.roomId })
+      const childRooms = roomsRes.rows || roomsRes || []
+      if (childRooms.length === 0) {
+        this.initDefaultSegments()
+        return
+      }
+      const allSegments = []
+      for (const child of childRooms) {
+        try {
+          const res = await getTimelineSegmentsByRoomId(child.id)
+          if (res.code === 200 && res.data && res.data.length > 0) {
+            const roomName = child.name || `房间${child.id}`
+            res.data.forEach(item => {
+              allSegments.push({
+                segmentId: item.segmentId,
+                time: item.segmentTime,
+                name: item.segmentName,
+                description: item.segmentDesc,
+                roomName,
+                active: false,
+                passed: false,
+                position: 0,
+                triggered: false
+              })
+            })
+          }
+        } catch (_) {}
+      }
+      if (allSegments.length > 0) {
+        this.timelineSegments = this.mergeSegmentsByTime(allSegments)
+        this.updateTimeline()
+      } else {
+        this.initDefaultSegments()
+      }
+    },
+
+    /** 将相同时间的多条事件合并为一条，roomName 为所属房间名用顿号连接；名称不同时用顿号连接 */
+    mergeSegmentsByTime(segments) {
+      const byTime = {}
+      segments.forEach(seg => {
+        const t = seg.time
+        if (!byTime[t]) {
+          byTime[t] = []
+        }
+        byTime[t].push(seg)
+      })
+      const merged = []
+      Object.keys(byTime).forEach(t => {
+        const list = byTime[t]
+        if (list.length === 1) {
+          merged.push(list[0])
+        } else {
+          const roomNames = [...new Set(list.map(s => s.roomName))].join('、')
+          const names = [...new Set(list.map(s => s.name).filter(Boolean))]
+          const mergedName = names.length > 1 ? names.join('、') : (list[0].name || '')
+          const descs = [...new Set(list.map(s => s.description).filter(Boolean))]
+          const mergedDesc = descs.length > 1 ? descs.join('；') : (list[0].description || '')
+          merged.push({
+            segmentId: list[0].segmentId,
+            time: list[0].time,
+            name: mergedName,
+            description: mergedDesc,
+            roomName: roomNames,
+            active: false,
+            passed: false,
+            position: 0,
+            triggered: false
+          })
+        }
+      })
+      return merged.sort((a, b) => this.timeToSeconds(a.time) - this.timeToSeconds(b.time))
+    },
+
     initDefaultTime() {
       const now = new Date()
       this.startTime = new Date(now)
@@ -319,53 +414,7 @@ export default {
     },
 
     initDefaultSegments() {
-      this.timelineSegments = [
-        {
-          time: '08:00:00',
-          name: '任务准备',
-          description: '开始准备任务所需的资源和设备',
-          active: false,
-          passed: false,
-          position: 0,
-          triggered: false
-        },
-        {
-          time: '10:00:00',
-          name: '资源调配',
-          description: '完成资源的调配和分配',
-          active: false,
-          passed: false,
-          position: 0,
-          triggered: false
-        },
-        {
-          time: '12:00:00',
-          name: '任务执行',
-          description: '开始执行主要任务',
-          active: false,
-          passed: false,
-          position: 0,
-          triggered: false
-        },
-        {
-          time: '14:00:00',
-          name: '任务监控',
-          description: '监控任务执行进度',
-          active: false,
-          passed: false,
-          position: 0,
-          triggered: false
-        },
-        {
-          time: '16:00:00',
-          name: '任务完成',
-          description: '任务完成，进行总结',
-          active: false,
-          passed: false,
-          position: 0,
-          triggered: false
-        }
-      ]
+      this.timelineSegments = []
       this.updateTimeline()
     },
 
@@ -781,6 +830,18 @@ export default {
   font-weight: 500;
 }
 
+.tooltip-room {
+  font-size: 12px;
+  color: #64748b;
+  margin-top: 4px;
+}
+
+.segment-room {
+  font-size: 12px;
+  color: #64748b;
+  margin-bottom: 2px;
+}
+
 .timeline-current {
   position: absolute;
   top: 0;
diff --git a/ruoyi-ui/src/views/childRoom/TopHeader.vue b/ruoyi-ui/src/views/childRoom/TopHeader.vue
index af33a82..715cc82 100644
--- a/ruoyi-ui/src/views/childRoom/TopHeader.vue
+++ b/ruoyi-ui/src/views/childRoom/TopHeader.vue
@@ -255,12 +255,25 @@
 
           <div
             class="info-box combat-time-box"
-            :class="{ 'clickable': true }"
-            @click="$emit('set-k-time')"
+            :class="{ 'clickable': !(childRoomKTimes && childRoomKTimes.length > 0) && canSetKTime }"
           >
             <i class="el-icon-timer info-icon"></i>
             <div class="info-content combat-time-content">
-              <div v-if="kTimeDisplay" class="combat-k-time">
+              <template v-if="childRoomKTimes && childRoomKTimes.length > 0">
+                <el-dropdown trigger="click" @command="handleSelectChildKTime" class="k-time-dropdown">
+                  <div class="combat-k-time k-time-selectable">
+                    <span class="k-time-label">{{ currentChildKTimeItem.name }}:</span>
+                    <span class="k-time-value">{{ formatChildKTime(currentChildKTimeItem.kAnchorTime) }}</span>
+                    <i class="el-icon-arrow-down k-time-arrow"></i>
+                  </div>
+                  <el-dropdown-menu slot="dropdown" class="k-time-dropdown-menu">
+                    <el-dropdown-item v-for="(item, idx) in childRoomKTimes" :key="idx" :command="idx">
+                      {{ item.name }}: {{ formatChildKTime(item.kAnchorTime) }}
+                    </el-dropdown-item>
+                  </el-dropdown-menu>
+                </el-dropdown>
+              </template>
+              <div v-else-if="kTimeDisplay" class="combat-k-time" @click="canSetKTime && $emit('set-k-time')">
                 <span class="k-time-label">K 时</span>
                 <span class="k-time-value">{{ kTimeDisplay }}</span>
               </div>
@@ -334,11 +347,21 @@ export default {
       type: String,
       default: 'K+01:30:45'
     },
-    /** 格式化的 K 时基准时刻，如 "2025-02-06 08:00:00" */
+    /** 格式化的 K 时基准时刻，如 "2025-02-06 08:00:00"；小房间时使用 */
     kTimeDisplay: {
       type: String,
       default: ''
     },
+    /** 大房间时多个子房间的 K 时，格式 [{ name, kAnchorTime }]，有值时优先展示此列表 */
+    childRoomKTimes: {
+      type: Array,
+      default: () => []
+    },
+    /** 大房间时当前选中的子房间索引 */
+    selectedChildKTimeIndex: {
+      type: Number,
+      default: 0
+    },
     astroTime: {
       type: String,
       default: ''
@@ -388,10 +411,17 @@ export default {
     }
   },
   computed: {
-    /** 显示数据库房间名，无则回退为房间编号 */
+    /** 大房间时当前选中的子房间 K 时项 */
+    currentChildKTimeItem() {
+      if (!this.childRoomKTimes || this.childRoomKTimes.length === 0) return { name: '-', kAnchorTime: null };
+      const idx = Math.max(0, Math.min(this.selectedChildKTimeIndex, this.childRoomKTimes.length - 1));
+      return this.childRoomKTimes[idx];
+    },
+    /** 显示数据库房间名，无则回退为房间编号；大房间时追加标识 */
     roomDisplayName() {
-      if (this.roomDetail && this.roomDetail.name) return this.roomDetail.name;
-      return this.roomCode;
+      const name = (this.roomDetail && this.roomDetail.name) ? this.roomDetail.name : this.roomCode;
+      const isParentRoom = this.roomDetail && this.roomDetail.parentId == null;
+      return isParentRoom ? `${name}（大房间）` : name;
     },
     topNavItems() {
       return [
@@ -624,6 +654,22 @@ export default {
       this.$emit('show-online-members')
     },
 
+    handleSelectChildKTime(idx) {
+      this.$emit('select-child-k-time', idx);
+    },
+    formatChildKTime(val) {
+      if (!val) return '-'
+      const d = new Date(val)
+      if (isNaN(d.getTime())) return '-'
+      const y = d.getFullYear()
+      const m = (d.getMonth() + 1).toString().padStart(2, '0')
+      const day = d.getDate().toString().padStart(2, '0')
+      const h = d.getHours().toString().padStart(2, '0')
+      const min = d.getMinutes().toString().padStart(2, '0')
+      const s = d.getSeconds().toString().padStart(2, '0')
+      return `${y}-${m}-${day} ${h}:${min}:${s}`
+    },
+
     // 威力区弹窗方法
     savePowerZone(powerZone) {
       this.$emit('save-power-zone', powerZone)
@@ -953,8 +999,30 @@ export default {
 .combat-time-box {
   min-width: 180px;
 }
+.k-time-dropdown {
+  width: 100%;
+}
+.k-time-selectable {
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 2px 0;
+}
+.k-time-selectable:hover {
+  color: #008aff;
+}
+.k-time-arrow {
+  font-size: 12px;
+  margin-left: 4px;
+  color: #008aff;
+}
+.k-time-dropdown-menu .el-dropdown-menu__item {
+  padding: 8px 16px;
+}
 .combat-time-content {
   gap: 6px;
+  flex-wrap: wrap;
 }
 .combat-k-time {
   display: flex;
diff --git a/ruoyi-ui/src/views/childRoom/WhiteboardPanel.vue b/ruoyi-ui/src/views/childRoom/WhiteboardPanel.vue
new file mode 100644
index 0000000..06b1ae6
--- /dev/null
+++ b/ruoyi-ui/src/views/childRoom/WhiteboardPanel.vue
@@ -0,0 +1,579 @@
+<template>
+  <div class="whiteboard-panel" v-if="visible">
+    <!-- 第一行：时间选择 | 绘制：空域 | 白板方案 | 新建 | 退出 -->
+    <div class="wb-row wb-row-main">
+      <!-- 时间选择（左侧） -->
+      <div class="wb-time-section">
+        <span class="wb-label">时间选择：</span>
+        <div class="wb-time-blocks">
+          <el-tag
+            v-for="tb in sortedTimeBlocks"
+            :key="tb"
+            :type="currentTimeBlock === tb ? 'primary' : 'info'"
+            size="small"
+            class="wb-time-tag"
+            @click="selectTimeBlock(tb)"
+          >
+            {{ tb }}
+          </el-tag>
+          <el-button type="text" size="mini" @click="showAddTimeBlock = true" title="添加时间">
+            <i class="el-icon-plus"></i>
+          </el-button>
+        </div>
+        <el-popover placement="bottom" width="200" trigger="click" v-if="currentTimeBlock">
+          <div class="wb-time-edit">
+            <el-button type="text" size="small" @click="openModifyTimeBlock">修改时间</el-button>
+            <el-button type="text" size="small" style="color: #F56C6C;" @click="deleteCurrentTimeBlock">删除</el-button>
+          </div>
+          <el-button slot="reference" type="text" size="mini"><i class="el-icon-more"></i></el-button>
+        </el-popover>
+      </div>
+
+      <!-- 绘制：空域（时间选择右侧） -->
+      <div class="wb-tools-section">
+        <span class="wb-label">绘制：</span>
+        <el-button size="mini" :type="drawMode === 'airspace' ? 'primary' : 'default'" @click="toggleAirspaceDraw">
+          空域
+        </el-button>
+      </div>
+
+      <!-- 白板方案选择、新建、退出（与时间选择同高） -->
+      <div class="wb-draft-actions">
+        <span class="wb-label">白板方案：</span>
+        <div class="wb-draft-select-wrap">
+          <el-select
+            v-model="currentWhiteboardId"
+            placeholder="选择白板方案"
+            size="small"
+            filterable
+            allow-create
+            default-first-option
+            class="wb-draft-select"
+            @change="onWhiteboardChange"
+            @create="(name) => $emit('create-whiteboard', name)"
+          >
+            <el-option
+              v-for="wb in whiteboards"
+              :key="wb.id"
+              :label="wb.name || '未命名'"
+              :value="wb.id"
+            />
+          </el-select>
+          <el-dropdown v-if="currentWhiteboard" trigger="click" @command="onDraftCommand">
+            <el-button type="text" size="mini" class="wb-draft-more-btn"><i class="el-icon-more"></i></el-button>
+            <el-dropdown-menu slot="dropdown">
+              <el-dropdown-item command="rename"><i class="el-icon-edit"></i> 重命名</el-dropdown-item>
+              <el-dropdown-item command="delete" divided><i class="el-icon-delete"></i> 删除白板方案</el-dropdown-item>
+            </el-dropdown-menu>
+          </el-dropdown>
+        </div>
+        <el-button type="text" size="small" @click="$emit('create-whiteboard')" title="新建白板">
+          <i class="el-icon-plus"></i> 新建
+        </el-button>
+        <el-button type="text" size="small" @click="exitWhiteboard" title="退出白板">
+          <i class="el-icon-close"></i> 退出
+        </el-button>
+      </div>
+    </div>
+
+    <!-- 第二行：平台（空中 | 海上 | 地面） -->
+    <div class="wb-row wb-row-platform">
+      <span class="wb-label">平台：</span>
+      <el-radio-group v-model="platformFilter" size="mini" class="wb-platform-filter">
+        <el-radio-button label="all">全部</el-radio-button>
+        <el-radio-button label="air">空中</el-radio-button>
+        <el-radio-button label="sea">海上</el-radio-button>
+        <el-radio-button label="ground">地面</el-radio-button>
+      </el-radio-group>
+      <div class="wb-platform-grid">
+        <div
+          v-for="p in filteredPlatforms"
+          :key="p.id"
+          class="wb-platform-item"
+          draggable="true"
+          @dragstart="onPlatformDragStart($event, p)"
+        >
+          <div class="wb-platform-icon" :style="{ color: p.color || '#008aff' }">
+            <img v-if="isImg(p.imageUrl || p.iconUrl)" :src="formatImg(p.imageUrl || p.iconUrl)" class="wb-platform-img" />
+            <i v-else :class="p.icon || 'el-icon-picture-outline'"></i>
+          </div>
+          <span class="wb-platform-name">{{ p.name }}</span>
+        </div>
+      </div>
+    </div>
+
+    <!-- 添加时间块弹窗 -->
+    <el-dialog title="添加时间块" :visible.sync="showAddTimeBlock" width="400px" append-to-body @close="newTimeBlockValue = null; newTimeBlockInput = ''">
+      <el-form label-width="100px" size="small">
+        <el-form-item label="快捷选择">
+          <div class="time-presets">
+            <el-tag
+              v-for="preset in timeBlockPresets"
+              :key="preset.value"
+              class="preset-tag"
+              @click="selectTimePreset(preset.value)"
+            >
+              {{ preset.label }}
+            </el-tag>
+          </div>
+        </el-form-item>
+        <el-form-item label="选择时间">
+          <el-time-picker
+            v-model="newTimeBlockValue"
+            format="HH:mm:ss"
+            value-format="HH:mm:ss"
+            placeholder="选择 K+ 后的时间"
+            style="width: 100%;"
+          />
+        </el-form-item>
+        <el-form-item label="或手动输入">
+          <el-input v-model="newTimeBlockInput" placeholder="如 K+00:05:00" size="small" />
+        </el-form-item>
+      </el-form>
+      <span slot="footer" class="dialog-footer">
+        <el-button @click="showAddTimeBlock = false">取消</el-button>
+        <el-button type="primary" @click="addTimeBlock">确定</el-button>
+      </span>
+    </el-dialog>
+
+    <!-- 重命名白板方案弹窗 -->
+    <el-dialog title="重命名白板方案" :visible.sync="showRenameWhiteboardDialog" width="400px" append-to-body @open="initRenameWhiteboardDialog" @close="renameWhiteboardName = ''">
+      <el-form label-width="80px" size="small">
+        <el-form-item label="方案名称">
+          <el-input v-model="renameWhiteboardName" placeholder="请输入白板方案名称" @keyup.enter.native="commitRenameWhiteboardDialog" />
+        </el-form-item>
+      </el-form>
+      <span slot="footer" class="dialog-footer">
+        <el-button @click="showRenameWhiteboardDialog = false">取消</el-button>
+        <el-button type="primary" @click="commitRenameWhiteboardDialog">确定</el-button>
+      </span>
+    </el-dialog>
+
+    <!-- 修改时间弹窗（与新建时间块同结构） -->
+    <el-dialog title="修改时间" :visible.sync="showRenameTimeBlock" width="400px" append-to-body @open="initModifyTimeBlock" @close="renameTimeBlockValue = null; renameTimeBlockInput = ''">
+      <el-form label-width="100px" size="small">
+        <el-form-item label="快捷选择">
+          <div class="time-presets">
+            <el-tag
+              v-for="preset in timeBlockPresets"
+              :key="'rename-' + preset.value"
+              class="preset-tag"
+              @click="selectRenamePreset(preset.value)"
+            >
+              {{ preset.label }}
+            </el-tag>
+          </div>
+        </el-form-item>
+        <el-form-item label="选择时间">
+          <el-time-picker
+            v-model="renameTimeBlockValue"
+            format="HH:mm:ss"
+            value-format="HH:mm:ss"
+            placeholder="选择 K+ 后的时间"
+            style="width: 100%;"
+          />
+        </el-form-item>
+        <el-form-item label="或手动输入">
+          <el-input v-model="renameTimeBlockInput" placeholder="如 K+00:10:00" size="small" />
+        </el-form-item>
+      </el-form>
+      <span slot="footer" class="dialog-footer">
+        <el-button @click="showRenameTimeBlock = false">取消</el-button>
+        <el-button type="primary" @click="renameTimeBlock">确定</el-button>
+      </span>
+    </el-dialog>
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'WhiteboardPanel',
+  props: {
+    visible: {
+      type: Boolean,
+      default: false
+    },
+    roomId: {
+      type: [String, Number],
+      default: null
+    },
+    whiteboards: {
+      type: Array,
+      default: () => []
+    },
+    currentWhiteboard: {
+      type: Object,
+      default: null
+    },
+    airPlatforms: {
+      type: Array,
+      default: () => []
+    },
+    seaPlatforms: {
+      type: Array,
+      default: () => []
+    },
+    groundPlatforms: {
+      type: Array,
+      default: () => []
+    }
+  },
+  data() {
+    return {
+      currentWhiteboardId: null,
+      currentTimeBlock: null,
+      drawMode: null,
+      platformFilter: 'all',
+      showRenameWhiteboardDialog: false,
+      renameWhiteboardName: '',
+      showAddTimeBlock: false,
+      showRenameTimeBlock: false,
+      newTimeBlockValue: null,
+      newTimeBlockInput: '',
+      renameTimeBlockValue: null,
+      renameTimeBlockInput: ''
+    }
+  },
+  computed: {
+    timeBlockPresets() {
+      return [
+        { label: 'K+0', value: 'K+00:00:00' },
+        { label: 'K+5', value: 'K+00:05:00' },
+        { label: 'K+10', value: 'K+00:10:00' },
+        { label: 'K+15', value: 'K+00:15:00' },
+        { label: 'K+30', value: 'K+00:30:00' },
+        { label: 'K+60', value: 'K+01:00:00' },
+        { label: 'K+2h', value: 'K+02:00:00' }
+      ]
+    },
+    sortedTimeBlocks() {
+      const wb = this.currentWhiteboard
+      if (!wb || !Array.isArray(wb.timeBlocks)) return []
+      return [...wb.timeBlocks].sort((a, b) => this.compareTimeBlock(a, b))
+    },
+    allPlatforms() {
+      return [
+        ...(this.airPlatforms || []),
+        ...(this.seaPlatforms || []),
+        ...(this.groundPlatforms || [])
+      ]
+    },
+    filteredPlatforms() {
+      if (this.platformFilter === 'all') return this.allPlatforms
+      if (this.platformFilter === 'air') return this.airPlatforms || []
+      if (this.platformFilter === 'sea') return this.seaPlatforms || []
+      if (this.platformFilter === 'ground') return this.groundPlatforms || []
+      return this.allPlatforms
+    }
+  },
+  watch: {
+    currentWhiteboard: {
+      handler(wb) {
+        if (wb) {
+          this.currentWhiteboardId = wb.id
+          const blocks = wb.timeBlocks || []
+          if (blocks.length > 0 && !blocks.includes(this.currentTimeBlock)) {
+            this.currentTimeBlock = this.sortedTimeBlocks[0] || blocks[0]
+          } else if (blocks.length === 0) {
+            this.currentTimeBlock = null
+          }
+        } else {
+          this.currentWhiteboardId = null
+          this.currentTimeBlock = null
+        }
+      },
+      immediate: true
+    }
+  },
+  methods: {
+    /** 与 RightPanel 一致：判断是否为图片路径（支持 /profile/upload/ 等相对路径） */
+    isImg(url) {
+      if (!url || typeof url !== 'string') return false
+      return url.includes('/') || url.includes('data:image') || /\.(png|jpg|jpeg|gif|webp|svg)(\?|$)/i.test(url)
+    },
+    /** 与 RightPanel 一致：拼接后端地址，图片需通过完整 URL 加载 */
+    formatImg(url) {
+      if (!url) return ''
+      if (url.startsWith('http') || url.startsWith('//') || url.startsWith('data:')) return url
+      const cleanPath = (url || '').replace(/\/+/g, '/')
+      const backendUrl = process.env.VUE_APP_BACKEND_URL || process.env.VUE_APP_BASE_API || ''
+      return backendUrl ? backendUrl + cleanPath : url
+    },
+    compareTimeBlock(a, b) {
+      const parse = (s) => {
+        const m = /K\+(\d+):(\d+):(\d+)/.exec(s)
+        if (!m) return 0
+        return parseInt(m[1], 10) * 3600 + parseInt(m[2], 10) * 60 + parseInt(m[3], 10)
+      }
+      return parse(a) - parse(b)
+    },
+    onWhiteboardChange(id) {
+      this.$emit('select-whiteboard', id)
+    },
+    initRenameWhiteboardDialog() {
+      this.renameWhiteboardName = this.currentWhiteboard ? (this.currentWhiteboard.name || '白板方案') : ''
+    },
+    commitRenameWhiteboardDialog() {
+      const name = (this.renameWhiteboardName || '').trim()
+      if (!name || !this.currentWhiteboard) {
+        this.$message.warning('请输入方案名称')
+        return
+      }
+      this.$emit('rename-whiteboard', this.currentWhiteboard.id, name)
+      this.showRenameWhiteboardDialog = false
+      this.renameWhiteboardName = ''
+    },
+    onDraftCommand(cmd) {
+      if (cmd === 'rename' && this.currentWhiteboard) {
+        this.showRenameWhiteboardDialog = true
+      } else if (cmd === 'delete' && this.currentWhiteboard) {
+        this.$confirm('确定删除该白板方案吗？', '提示', {
+          type: 'warning'
+        }).then(() => this.$emit('delete-whiteboard', this.currentWhiteboard.id)).catch(() => {})
+      }
+    },
+    createNewWhiteboard() {
+      this.$emit('create-whiteboard')
+    },
+    exitWhiteboard() {
+      this.$emit('exit-whiteboard')
+    },
+    selectTimeBlock(tb) {
+      this.currentTimeBlock = tb
+      this.$emit('select-time-block', tb)
+    },
+    selectTimePreset(value) {
+      this.$emit('add-time-block', value)
+      this.newTimeBlockValue = null
+      this.newTimeBlockInput = ''
+      this.showAddTimeBlock = false
+    },
+    addTimeBlock() {
+      let timeStr = ''
+      if (this.newTimeBlockValue) {
+        timeStr = 'K+' + this.newTimeBlockValue
+      } else {
+        const input = (this.newTimeBlockInput || '').trim()
+        if (!input) {
+          this.$message.warning('请选择时间或输入格式，如 K+00:05:00')
+          return
+        }
+        if (!/^K\+\d+:\d{2}:\d{2}$/.test(input)) {
+          this.$message.warning('格式应为 K+HH:MM:SS，如 K+00:05:00')
+          return
+        }
+        timeStr = input
+      }
+      this.$emit('add-time-block', timeStr)
+      this.newTimeBlockValue = null
+      this.newTimeBlockInput = ''
+      this.showAddTimeBlock = false
+    },
+    openModifyTimeBlock() {
+      this.showRenameTimeBlock = true
+    },
+    initModifyTimeBlock() {
+      if (!this.currentTimeBlock) return
+      const m = /K\+(\d+):(\d{2}):(\d{2})/.exec(this.currentTimeBlock)
+      if (m) {
+        this.renameTimeBlockValue = `${String(m[1]).padStart(2, '0')}:${m[2]}:${m[3]}`
+        this.renameTimeBlockInput = this.currentTimeBlock
+      } else {
+        this.renameTimeBlockValue = null
+        this.renameTimeBlockInput = this.currentTimeBlock
+      }
+    },
+    selectRenamePreset(value) {
+      this.$emit('rename-time-block', this.currentTimeBlock, value)
+      this.renameTimeBlockValue = null
+      this.renameTimeBlockInput = ''
+      this.showRenameTimeBlock = false
+    },
+    renameTimeBlock() {
+      let timeStr = ''
+      if (this.renameTimeBlockValue) {
+        timeStr = 'K+' + this.renameTimeBlockValue
+      } else {
+        const input = (this.renameTimeBlockInput || '').trim()
+        if (!input) {
+          this.$message.warning('请选择时间或输入格式，如 K+00:05:00')
+          return
+        }
+        if (!/^K\+\d+:\d{2}:\d{2}$/.test(input)) {
+          this.$message.warning('格式应为 K+HH:MM:SS，如 K+00:05:00')
+          return
+        }
+        timeStr = input
+      }
+      if (!this.currentTimeBlock) return
+      this.$emit('rename-time-block', this.currentTimeBlock, timeStr)
+      this.renameTimeBlockValue = null
+      this.renameTimeBlockInput = ''
+      this.showRenameTimeBlock = false
+    },
+    deleteCurrentTimeBlock() {
+      if (!this.currentTimeBlock) return
+      this.$emit('delete-time-block', this.currentTimeBlock)
+    },
+    onPlatformDragStart(evt, platform) {
+      evt.dataTransfer.setData('application/json', JSON.stringify({
+        type: 'whiteboardPlatform',
+        platform: platform
+      }))
+      evt.dataTransfer.effectAllowed = 'copy'
+    },
+    toggleAirspaceDraw() {
+      this.drawMode = this.drawMode === 'airspace' ? null : 'airspace'
+      this.$emit('draw-mode-change', this.drawMode)
+    }
+  }
+}
+</script>
+
+<style scoped>
+.whiteboard-panel {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  background: rgba(255, 255, 255, 0.95);
+  backdrop-filter: blur(10px);
+  border-top: 1px solid rgba(0, 138, 255, 0.2);
+  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
+  z-index: 85;
+  padding: 10px 16px;
+  max-height: 200px;
+  overflow-y: auto;
+}
+
+.wb-row {
+  display: flex;
+  align-items: center;
+  flex-wrap: wrap;
+  gap: 8px 16px;
+}
+
+.wb-row-main {
+  margin-bottom: 10px;
+}
+
+.wb-row-platform {
+  align-items: flex-start;
+  width: 100%;
+}
+
+.wb-time-section,
+.wb-tools-section,
+.wb-draft-actions {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.wb-draft-actions {
+  margin-left: auto;
+}
+
+.wb-draft-select-wrap {
+  display: flex;
+  align-items: center;
+  gap: 2px;
+}
+
+.wb-draft-select {
+  width: 140px;
+}
+
+.wb-draft-more-btn {
+  padding: 4px;
+}
+
+.wb-label {
+  font-size: 12px;
+  color: #606266;
+  flex-shrink: 0;
+}
+
+.wb-time-blocks {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 4px;
+  align-items: center;
+}
+
+.wb-time-tag {
+  cursor: pointer;
+}
+
+.wb-platform-filter {
+  flex-shrink: 0;
+}
+
+.wb-platform-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(48px, 1fr));
+  gap: 6px;
+  flex: 1;
+  min-width: 0;
+  max-height: 70px;
+  overflow-y: auto;
+}
+
+.wb-platform-item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  padding: 4px;
+  border-radius: 4px;
+  cursor: grab;
+  background: rgba(0, 138, 255, 0.06);
+  transition: background 0.2s;
+}
+
+.wb-platform-item:hover {
+  background: rgba(0, 138, 255, 0.15);
+}
+
+.wb-platform-icon {
+  width: 28px;
+  height: 28px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 18px;
+}
+
+.wb-platform-img {
+  width: 24px;
+  height: 24px;
+  object-fit: contain;
+}
+
+.wb-platform-name {
+  font-size: 10px;
+  color: #606266;
+  max-width: 44px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.wb-time-edit {
+  display: flex;
+  gap: 8px;
+}
+
+.time-presets {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+
+.preset-tag {
+  cursor: pointer;
+}
+
+.preset-tag:hover {
+  opacity: 0.85;
+}
+</style>
diff --git a/ruoyi-ui/src/views/childRoom/index.vue b/ruoyi-ui/src/views/childRoom/index.vue
index 0a92091..de84ee5 100644
--- a/ruoyi-ui/src/views/childRoom/index.vue
+++ b/ruoyi-ui/src/views/childRoom/index.vue
@@ -9,9 +9,11 @@
       @drop="handleMapDrop"
     >
       <!-- cesiummap组件 -->
-      <cesiumMap ref="cesiumMap" :drawDomClick="drawDom || airspaceDrawDom"
-                 :tool-mode="drawDom ? 'ranging' : (airspaceDrawDom ? 'airspace' : 'airspace')"
+      <cesiumMap ref="cesiumMap" :drawDomClick="drawDom || airspaceDrawDom || (showWhiteboardPanel && whiteboardAirspaceDraw)"
+                 :tool-mode="drawDom ? 'ranging' : (airspaceDrawDom || (showWhiteboardPanel && whiteboardAirspaceDraw) ? 'airspace' : 'airspace')"
                  :scaleConfig="scaleConfig"
+                 :whiteboard-mode="showWhiteboardPanel"
+                 :whiteboard-entities="whiteboardDisplayEntities"
                  :coordinateFormat="coordinateFormat"
                  :bottomPanelVisible="bottomPanelVisible"
                  :map-drag-enabled="mapDragEnabled"
@@ -39,7 +41,11 @@
                  @platform-icon-removed="onPlatformIconRemoved"
                  @viewer-ready="onViewerReady"
                  @drawing-entities-changed="onDrawingEntitiesChanged"
-                 @platform-style-saved="onPlatformStyleSaved" />
+                 @platform-style-saved="onPlatformStyleSaved"
+                 @whiteboard-draw-complete="handleWhiteboardDrawComplete"
+                 @whiteboard-platform-updated="handleWhiteboardPlatformUpdated"
+                 @whiteboard-entity-deleted="handleWhiteboardEntityDeleted"
+                 @whiteboard-drawing-updated="handleWhiteboardDrawingUpdated" />
       <div v-show="!screenshotMode" class="map-overlay-text">
         <!-- <i class="el-icon-location-outline text-3xl mb-2 block"></i> -->
         <!-- <p>二维GIS地图区域</p>
@@ -94,6 +100,9 @@
       :online-count="onlineCount"
       :combat-time="combatTime"
       :k-time-display="kTimeDisplay"
+      :child-room-k-times="childRoomKTimes"
+      :selected-child-k-time-index="selectedChildKTimeIndex"
+      @select-child-k-time="selectedChildKTimeIndex = $event"
       :astro-time="astroTime"
       :room-detail="roomDetail"
       :can-set-k-time="canSetKTime"
@@ -210,8 +219,8 @@
       @delete-platform="handleDeletePlatform"
       @open-import-dialog="showImportDialog = true"
     />
-    <!-- 左下角工具面板 -->
-    <bottom-left-panel v-show="!screenshotMode" @bottom-panel-visible="handleBottomPanelVisible" @six-steps-overlay-visible="sixStepsOverlayVisible = $event" :room-id="currentRoomId" />
+    <!-- 左下角工具面板（白板模式下隐藏，避免遮挡白板） -->
+    <bottom-left-panel v-show="!screenshotMode && !showWhiteboardPanel" @bottom-panel-visible="handleBottomPanelVisible" @six-steps-overlay-visible="sixStepsOverlayVisible = $event" @open-whiteboard="toggleWhiteboardMode" :room-id="currentRoomId" :is-parent-room="!!(roomDetail && roomDetail.parentId == null)" />
     <!-- 底部时间轴（最初版本的样式）- 蓝色主题 -->
     <div
       v-show="!screenshotMode"
@@ -383,6 +392,28 @@
       :room-id="currentRoomId"
     />
 
+    <!-- 白板面板（底部） -->
+    <whiteboard-panel
+      v-show="showWhiteboardPanel && !screenshotMode"
+      :visible="showWhiteboardPanel"
+      :room-id="currentRoomId"
+      :whiteboards="whiteboards"
+      :current-whiteboard="currentWhiteboard"
+      :air-platforms="airPlatforms"
+      :sea-platforms="seaPlatforms"
+      :ground-platforms="groundPlatforms"
+      @select-whiteboard="handleWhiteboardSelect"
+      @create-whiteboard="handleWhiteboardCreate"
+      @rename-whiteboard="handleWhiteboardRename"
+      @delete-whiteboard="handleWhiteboardDelete"
+      @exit-whiteboard="handleWhiteboardExit"
+      @select-time-block="handleWhiteboardTimeBlockSelect"
+      @add-time-block="handleWhiteboardAddTimeBlock"
+      @rename-time-block="handleWhiteboardRenameTimeBlock"
+      @delete-time-block="handleWhiteboardDeleteTimeBlock"
+      @draw-mode-change="handleWhiteboardDrawModeChange"
+    />
+
     <el-dialog
       title="新建方案"
       :visible.sync="showPlanNameDialog"
@@ -442,14 +473,16 @@ import RightPanel from './RightPanel'
 import BottomLeftPanel from './BottomLeftPanel'
 import TopHeader from './TopHeader'
 import FourTPanel from './FourTPanel'
+import WhiteboardPanel from './WhiteboardPanel'
 import { createRoomWebSocket } from '@/utils/websocket';
 import { listScenario, addScenario, delScenario } from "@/api/system/scenario";
 import { listRoutes, getRoutes, addRoutes, updateRoutes, delRoutes, getPlatformStyle, getMissileParams, updateMissilePositions } from "@/api/system/routes";
 import { updateWaypoints, addWaypoints, delWaypoints } from "@/api/system/waypoints";
 import { listLib,addLib,delLib} from "@/api/system/lib";
-import { getRooms, updateRooms } from "@/api/system/rooms";
+import { getRooms, updateRooms, listRooms } from "@/api/system/rooms";
 import { getMenuConfig, saveMenuConfig } from "@/api/system/userMenuConfig";
 import { listByRoomId as listRoomPlatformIcons, addRoomPlatformIcon, updateRoomPlatformIcon, delRoomPlatformIcon } from "@/api/system/roomPlatformIcon";
+import { listWhiteboards, getWhiteboard, createWhiteboard, updateWhiteboard, deleteWhiteboard } from "@/api/system/whiteboard";
 import PlatformImportDialog from "@/views/dialogs/PlatformImportDialog.vue";
 export default {
   name: 'MissionPlanningView',
@@ -468,7 +501,8 @@ export default {
     RightPanel,
     BottomLeftPanel,
     TopHeader,
-    FourTPanel
+    FourTPanel,
+    WhiteboardPanel
   },
   data() {
     return {
@@ -536,6 +570,10 @@ export default {
       combatTime: 'K+00:00:00', // 进入房间时固定作战时间，不随真实时间走
       astroTime: '',
       roomDetail: null,
+      /** 大房间时子房间的 K 时列表 [{ name, kAnchorTime }] */
+      childRoomKTimes: [],
+      /** 大房间时当前选中的子房间 K 时索引，用于切换展示 */
+      selectedChildKTimeIndex: 0,
       showKTimeSetDialog: false,
       kTimeForm: { dateTime: null },
       saveRoomDrawingsTimer: null,
@@ -616,6 +654,13 @@ export default {
       // 4T悬浮窗显示控制（仅点击4T图标时打开/关闭）
       show4TPanel: false,
 
+      // 白板模式
+      showWhiteboardPanel: false,
+      whiteboards: [],
+      currentWhiteboard: null,
+      currentWhiteboardTimeBlock: null,
+      whiteboardAirspaceDraw: false,
+
       // 显示/隐藏控制
       showAirport: true,
       showLandmark: true,
@@ -674,7 +719,7 @@ export default {
         if (newRoomId != null && String(newRoomId) !== String(this.currentRoomId)) {
           this.currentRoomId = newRoomId;
           this.connectRoomWebSocket();
-          if (newRoomId) this.getRoomDetail();
+          if (newRoomId) this.getRoomDetail(() => this.getList());
         }
       }
     },
@@ -726,6 +771,7 @@ export default {
       );
     },
     canSetKTime() {
+      if (this.roomDetail && this.roomDetail.parentId == null) return false;
       return this.isRoomOwner || this.isAdmin;
     },
     /** 格式化的 K 时（基准时刻），供右上角显示 */
@@ -746,6 +792,27 @@ export default {
       if (this.addHoldContext.mode === 'drawing') return '在最后两航点之间插入盘旋，保存航线时生效。';
       return `在 ${this.addHoldContext.fromName} 与 ${this.addHoldContext.toName} 之间添加盘旋，到计划时间后沿切线飞往下一航点（原「下一格」航点将被移除）。`;
     },
+    /** 白板模式下当前时间块应显示的实体（继承逻辑：当前时刻 = 上一时刻 + 本时刻差异） */
+    whiteboardDisplayEntities() {
+      if (!this.showWhiteboardPanel || !this.currentWhiteboard || !this.currentWhiteboardTimeBlock) return []
+      const wb = this.currentWhiteboard
+      const contentByTime = wb.contentByTime || {}
+      const timeBlocks = (wb.timeBlocks || []).slice().sort((a, b) => this.compareWhiteboardTimeBlock(a, b))
+      const idx = timeBlocks.indexOf(this.currentWhiteboardTimeBlock)
+      if (idx < 0) return []
+      const merged = {}
+      for (let i = 0; i <= idx; i++) {
+        const tb = timeBlocks[i]
+        const ents = (contentByTime[tb] && contentByTime[tb].entities) || []
+        ents.forEach(e => {
+          const id = e.id || (e.data && e.data.id)
+          if (id) merged[id] = e
+          else merged['_noid_' + Math.random()] = e
+        })
+      }
+      return Object.values(merged)
+    },
+
     /** 被其他成员编辑锁定的航线 ID 列表，供地图禁止拖拽等 */
     routeLockedByOtherRouteIds() {
       const myId = this.currentUserId;
@@ -786,9 +853,12 @@ export default {
   created() {
     this.currentRoomId = this.$route.query.roomId;
     console.log("从路由接收到的真实房间 ID:", this.currentRoomId);
-    this.getList();
     this.getPlatformList();
-    if (this.currentRoomId) this.getRoomDetail();
+    if (this.currentRoomId) {
+      this.getRoomDetail(() => this.getList());
+    } else {
+      this.getList();
+    }
   },
   methods: {
     handleBottomPanelVisible(visible) {
@@ -1577,9 +1647,13 @@ export default {
         if (res.code === 200 && res.data) this.$refs.cesiumMap.loadRoomPlatformIcons(rId, res.data);
       }).catch(() => {});
     },
-    /** 收到其他设备的空域图形变更同步：拉取最新房间数据并重绘 */
+    /** 收到其他设备的空域图形变更同步：拉取最新房间数据并重绘；大房间时重新合并子房间标绘 */
     applySyncRoomDrawings() {
       if (!this.currentRoomId || !this.$refs.cesiumMap || typeof this.$refs.cesiumMap.loadFrontendDrawings !== 'function') return;
+      if (this.roomDetail && this.roomDetail.parentId == null) {
+        this.loadRoomDrawings();
+        return;
+      }
       getRooms(this.currentRoomId).then(res => {
         if (res.code === 200 && res.data) {
           this.roomDetail = this.roomDetail ? { ...this.roomDetail, frontendDrawings: res.data.frontendDrawings } : { ...res.data };
@@ -1895,19 +1969,32 @@ export default {
       const { skipRoomPlatformIcons = false } = opts;
       try {
         const roomId = this.$route.query.roomId || this.currentRoomId;
-        const scenarioRes = await listScenario({ roomId: roomId });
+        const isParentRoom = this.roomDetail && this.roomDetail.parentId == null;
+        const scenarioParams = isParentRoom
+          ? { parentRoomId: roomId, pageNum: 1, pageSize: 9999 }
+          : { roomId: roomId, pageNum: 1, pageSize: 9999 };
+        const scenarioRes = await listScenario(scenarioParams);
         if (scenarioRes.code === 200) {
           this.plans = scenarioRes.rows.map(s => ({
             id: s.id,
             name: s.name,
+            roomId: s.roomId,
             frontendDrawings: s.frontendDrawings || null,
             routes: []
           }));
         }
-        // 获取所有航线
-        const routeRes = await listRoutes({ pageNum: 1, pageSize: 9999 });
+        // 获取航线：大房间时只请求本大房间子房间方案的航线，小房间时请求全部后按方案过滤
+        const planIds = this.plans.map(p => p.id);
+        const routeParams = isParentRoom && planIds.length > 0
+          ? { scenarioIdsStr: planIds.join(','), pageNum: 1, pageSize: 9999 }
+          : { pageNum: 1, pageSize: 9999 };
+        const routeRes = await listRoutes(routeParams);
         if (routeRes.code === 200) {
-          const allRoutes = routeRes.rows.map(item => ({
+          let routeRows = routeRes.rows || [];
+          if (isParentRoom && planIds.length > 0) {
+            routeRows = routeRows.filter(r => planIds.includes(r.scenarioId));
+          }
+          const allRoutes = routeRows.map(item => ({
             id: item.id,
             name: item.callSign,
             platformId: item.platformId,
@@ -1924,15 +2011,17 @@ export default {
           });
 
           this.routes = allRoutes;
-          // 先预取所有展示中航线的平台样式，再渲染，避免平台图标先黑后变色
+          // 先预取所有展示中航线的平台样式，再渲染，避免平台图标先黑后变色（大房间时用方案所属子房间的 roomId）
           if (this.activeRouteIds.length > 0 && this.$refs.cesiumMap) {
             const roomId = this.currentRoomId;
             await Promise.all(this.activeRouteIds.map(async (id) => {
               const route = this.routes.find(r => r.id === id);
               if (!route || !route.waypoints || route.waypoints.length === 0) return;
-              if (roomId && route.platformId) {
+              const plan = this.plans.find(p => p.id === route.scenarioId);
+              const styleRoomId = (isParentRoom && plan && plan.roomId) ? plan.roomId : roomId;
+              if (styleRoomId && route.platformId) {
                 try {
-                  const res = await getPlatformStyle({ roomId, routeId: id, platformId: route.platformId });
+                  const res = await getPlatformStyle({ roomId: styleRoomId, routeId: id, platformId: route.platformId });
                   if (res.data) this.$refs.cesiumMap.setPlatformStyle(id, res.data);
                 } catch (_) {}
               }
@@ -1947,13 +2036,24 @@ export default {
               });
             });
           }
-          // 加载该房间下保存的地图平台图标（删除航线等操作时跳过，避免清空再重画导致平台图标闪一下）
+          // 加载该房间下保存的地图平台图标（大房间时加载所有子房间的图标）
           if (!skipRoomPlatformIcons) {
             const rId = roomId || this.currentRoomId;
             if (rId && this.$refs.cesiumMap && typeof this.$refs.cesiumMap.loadRoomPlatformIcons === 'function') {
-              listRoomPlatformIcons(rId).then(res => {
-                if (res.code === 200 && res.data) this.$refs.cesiumMap.loadRoomPlatformIcons(rId, res.data);
-              }).catch(() => {});
+              if (isParentRoom) {
+                listRooms({ pageNum: 1, pageSize: 999, parentId: rId }).then(roomsRes => {
+                  const childRooms = roomsRes.rows || roomsRes || [];
+                  childRooms.forEach(child => {
+                    listRoomPlatformIcons(child.id).then(res => {
+                      if (res.code === 200 && res.data) this.$refs.cesiumMap.loadRoomPlatformIcons(child.id, res.data);
+                    }).catch(() => {});
+                  });
+                }).catch(() => {});
+              } else {
+                listRoomPlatformIcons(rId).then(res => {
+                  if (res.code === 200 && res.data) this.$refs.cesiumMap.loadRoomPlatformIcons(rId, res.data);
+                }).catch(() => {});
+              }
             }
           }
           this.$nextTick(() => this.applyRoomStatePending());
@@ -2241,22 +2341,68 @@ export default {
       const min = parseInt(m[3], 10);
       return sign * (h * 60 + min);
     },
-    getRoomDetail() {
-      if (!this.currentRoomId) return;
+    getRoomDetail(callback) {
+      if (!this.currentRoomId) { callback && callback(); return; }
       getRooms(this.currentRoomId).then(res => {
         if (res.code === 200 && res.data) {
           this.roomDetail = res.data;
           this.$nextTick(() => this.loadRoomDrawings());
+          if (res.data.parentId == null) {
+            listRooms({ pageNum: 1, pageSize: 999, parentId: this.currentRoomId }).then(roomsRes => {
+              const rows = roomsRes.rows || roomsRes || [];
+              this.childRoomKTimes = rows
+                .filter(r => r.kAnchorTime)
+                .map(r => ({ name: r.name || `房间${r.id}`, kAnchorTime: r.kAnchorTime }));
+              this.selectedChildKTimeIndex = 0;
+            }).catch(() => { this.childRoomKTimes = []; });
+          } else {
+            this.childRoomKTimes = [];
+          }
         }
-      }).catch(() => {});
+        callback && callback();
+      }).catch(() => { callback && callback(); });
     },
-    /** 加载当前房间的空域/威力区图形（与房间 ID 绑定，进入该房间即显示） */
-    loadRoomDrawings() {
+    /** 加载当前房间的空域/威力区图形（与房间 ID 绑定，进入该房间即显示）；大房间时合并所有子房间的 frontend_drawings */
+    async loadRoomDrawings() {
       if (!this.roomDetail || !this.$refs.cesiumMap || typeof this.$refs.cesiumMap.loadFrontendDrawings !== 'function') return;
-      if (this.roomDetail.frontendDrawings) {
-        this.$refs.cesiumMap.loadFrontendDrawings(this.roomDetail.frontendDrawings);
+      const isParentRoom = this.roomDetail.parentId == null;
+      if (isParentRoom) {
+        const roomsRes = await listRooms({ pageNum: 1, pageSize: 999, parentId: this.currentRoomId }).catch(() => ({ rows: [] }));
+        const childRooms = roomsRes.rows || roomsRes || [];
+        const allEntities = [];
+        for (const child of childRooms) {
+          const fd = child.frontendDrawings;
+          if (!fd) continue;
+          let payload = typeof fd === 'string' ? (() => { try { return JSON.parse(fd) } catch (_) { return null } })() : fd;
+          if (!payload || !Array.isArray(payload.entities) || payload.entities.length === 0) continue;
+          const prefix = `room_${child.id}_`;
+          payload.entities.forEach(e => {
+            const cloned = JSON.parse(JSON.stringify(e));
+            if (cloned.id) cloned.id = prefix + cloned.id;
+            allEntities.push(cloned);
+          });
+        }
+        if (this.roomDetail.frontendDrawings) {
+          let parentPayload = typeof this.roomDetail.frontendDrawings === 'string'
+            ? (() => { try { return JSON.parse(this.roomDetail.frontendDrawings) } catch (_) { return null } })()
+            : this.roomDetail.frontendDrawings;
+          if (parentPayload && Array.isArray(parentPayload.entities)) {
+            parentPayload.entities.forEach(e => {
+              if (e.id && !/^room_\d+_/.test(String(e.id))) allEntities.push(JSON.parse(JSON.stringify(e)));
+            });
+          }
+        }
+        if (allEntities.length > 0) {
+          this.$refs.cesiumMap.loadFrontendDrawings({ entities: allEntities });
+        } else {
+          this.$refs.cesiumMap.clearDrawingEntities();
+        }
       } else {
-        this.$refs.cesiumMap.clearDrawingEntities();
+        if (this.roomDetail.frontendDrawings) {
+          this.$refs.cesiumMap.loadFrontendDrawings(this.roomDetail.frontendDrawings);
+        } else {
+          this.$refs.cesiumMap.clearDrawingEntities();
+        }
       }
     },
     /** 地图 viewer 就绪时加载当前房间图形（可能 getRoomDetail 尚未返回，此处再试一次） */
@@ -2568,6 +2714,222 @@ export default {
       this.$message.success('已触发下载，请在浏览器保存对话框中选择保存位置')
     },
 
+    /** 白板：K+HH:MM:SS 时间块比较 */
+    compareWhiteboardTimeBlock(a, b) {
+      const parse = (s) => {
+        const m = /K\+(\d+):(\d+):(\d+)/.exec(s)
+        if (!m) return 0
+        return parseInt(m[1], 10) * 3600 + parseInt(m[2], 10) * 60 + parseInt(m[3], 10)
+      }
+      return parse(a) - parse(b)
+    },
+
+    /** 白板：进入/退出白板模式 */
+    async toggleWhiteboardMode() {
+      if (this.showWhiteboardPanel) {
+        this.handleWhiteboardExit()
+        return
+      }
+      this.showWhiteboardPanel = true
+      this.drawDom = false
+      this.airspaceDrawDom = false
+      this.whiteboardAirspaceDraw = false
+      this.isRightPanelHidden = true
+      this.show4TPanel = false
+      await this.loadWhiteboards()
+      if (this.whiteboards.length === 0) {
+        await this.handleWhiteboardCreate()
+      } else {
+        this.currentWhiteboard = this.whiteboards[0]
+        const blocks = this.currentWhiteboard.timeBlocks || []
+        this.currentWhiteboardTimeBlock = blocks.length > 0 ? blocks.sort((a, b) => this.compareWhiteboardTimeBlock(a, b))[0] : null
+      }
+    },
+
+    async loadWhiteboards() {
+      if (!this.currentRoomId) return
+      try {
+        const res = await listWhiteboards(this.currentRoomId)
+        this.whiteboards = (res.data || res) || []
+      } catch (e) {
+        this.whiteboards = []
+      }
+    },
+
+    handleWhiteboardSelect(id) {
+      const wb = this.whiteboards.find(w => w.id === id)
+      if (wb) {
+        this.currentWhiteboard = wb
+        const blocks = (wb.timeBlocks || []).slice().sort((a, b) => this.compareWhiteboardTimeBlock(a, b))
+        this.currentWhiteboardTimeBlock = blocks.length > 0 ? blocks[0] : null
+      }
+    },
+
+    async handleWhiteboardCreate(name) {
+      if (!this.currentRoomId) {
+        this.$message.warning('请先进入任务房间')
+        return
+      }
+      try {
+        const res = await createWhiteboard(this.currentRoomId, { name: name || '白板方案' })
+        const wb = res.data || res
+        this.whiteboards.push(wb)
+        this.currentWhiteboard = wb
+        this.currentWhiteboardTimeBlock = null
+        this.$message.success('已创建白板')
+      } catch (e) {
+        this.$message.error('创建白板失败')
+      }
+    },
+
+    async handleWhiteboardRename(id, name) {
+      if (!this.currentRoomId || !id || !name) return
+      const wb = this.whiteboards.find(w => w.id === id)
+      if (!wb) return
+      try {
+        const updated = { ...wb, name }
+        await updateWhiteboard(this.currentRoomId, id, updated)
+        wb.name = name
+        if (this.currentWhiteboard && this.currentWhiteboard.id === id) this.currentWhiteboard = updated
+        this.$message.success('已重命名')
+      } catch (e) {
+        this.$message.error('重命名失败')
+      }
+    },
+    async handleWhiteboardDelete(id) {
+      if (!this.currentRoomId || !id) return
+      try {
+        await deleteWhiteboard(this.currentRoomId, id)
+        this.whiteboards = this.whiteboards.filter(w => w.id !== id)
+        if (this.currentWhiteboard && this.currentWhiteboard.id === id) {
+          this.currentWhiteboard = this.whiteboards[0] || null
+          this.currentWhiteboardTimeBlock = this.currentWhiteboard && (this.currentWhiteboard.timeBlocks || []).length > 0
+            ? (this.currentWhiteboard.timeBlocks || []).sort((a, b) => this.compareWhiteboardTimeBlock(a, b))[0]
+            : null
+        }
+        this.$message.success('已删除')
+      } catch (e) {
+        this.$message.error('删除失败')
+      }
+    },
+    handleWhiteboardExit() {
+      this.showWhiteboardPanel = false
+      this.whiteboardAirspaceDraw = false
+      this.currentWhiteboard = null
+      this.currentWhiteboardTimeBlock = null
+      this.loadRoomDrawings()
+    },
+
+    handleWhiteboardTimeBlockSelect(tb) {
+      this.currentWhiteboardTimeBlock = tb
+    },
+
+    async handleWhiteboardAddTimeBlock(tb) {
+      if (!this.currentWhiteboard) return
+      const blocks = [...(this.currentWhiteboard.timeBlocks || [])]
+      if (blocks.includes(tb)) {
+        this.$message.warning('该时间块已存在')
+        return
+      }
+      blocks.push(tb)
+      blocks.sort((a, b) => this.compareWhiteboardTimeBlock(a, b))
+      const contentByTime = { ...(this.currentWhiteboard.contentByTime || {}) }
+      contentByTime[tb] = { entities: [] }
+      await this.saveCurrentWhiteboard({ timeBlocks: blocks, contentByTime })
+      this.currentWhiteboardTimeBlock = tb
+    },
+
+    async handleWhiteboardRenameTimeBlock(oldTb, newTb) {
+      if (!this.currentWhiteboard || oldTb === newTb) return
+      const blocks = [...(this.currentWhiteboard.timeBlocks || [])]
+      const idx = blocks.indexOf(oldTb)
+      if (idx < 0) return
+      blocks[idx] = newTb
+      blocks.sort((a, b) => this.compareWhiteboardTimeBlock(a, b))
+      const contentByTime = { ...(this.currentWhiteboard.contentByTime || {}) }
+      if (contentByTime[oldTb]) {
+        contentByTime[newTb] = contentByTime[oldTb]
+        delete contentByTime[oldTb]
+      }
+      await this.saveCurrentWhiteboard({ timeBlocks: blocks, contentByTime })
+      this.currentWhiteboardTimeBlock = newTb
+    },
+
+    async handleWhiteboardDeleteTimeBlock(tb) {
+      if (!this.currentWhiteboard) return
+      const blocks = (this.currentWhiteboard.timeBlocks || []).filter(t => t !== tb)
+      const contentByTime = { ...(this.currentWhiteboard.contentByTime || {}) }
+      delete contentByTime[tb]
+      await this.saveCurrentWhiteboard({ timeBlocks: blocks, contentByTime })
+      this.currentWhiteboardTimeBlock = blocks.length > 0 ? blocks.sort((a, b) => this.compareWhiteboardTimeBlock(a, b))[0] : null
+    },
+
+    handleWhiteboardDrawModeChange(mode) {
+      this.whiteboardAirspaceDraw = mode === 'airspace'
+    },
+
+    handleWhiteboardDrawComplete(entityData) {
+      if (!this.currentWhiteboard || !this.currentWhiteboardTimeBlock) return
+      const contentByTime = { ...(this.currentWhiteboard.contentByTime || {}) }
+      const currentContent = contentByTime[this.currentWhiteboardTimeBlock] || { entities: [] }
+      currentContent.entities = [...(currentContent.entities || []), entityData]
+      contentByTime[this.currentWhiteboardTimeBlock] = currentContent
+      this.saveCurrentWhiteboard({ contentByTime })
+    },
+
+    /** 白板平台拖拽/旋转后更新 contentByTime 并保存 */
+    handleWhiteboardPlatformUpdated(entityData) {
+      if (!this.currentWhiteboard || !this.currentWhiteboardTimeBlock || !entityData || !entityData.id) return
+      const contentByTime = { ...(this.currentWhiteboard.contentByTime || {}) }
+      const currentContent = contentByTime[this.currentWhiteboardTimeBlock] || { entities: [] }
+      const ents = [...(currentContent.entities || [])]
+      const idx = ents.findIndex(e => e.id === entityData.id)
+      if (idx >= 0) {
+        const updated = { ...ents[idx], lat: entityData.lat, lng: entityData.lng, heading: entityData.heading != null ? entityData.heading : 0 }
+        if (entityData.iconScale != null) updated.iconScale = entityData.iconScale
+        ents[idx] = updated
+        contentByTime[this.currentWhiteboardTimeBlock] = { ...currentContent, entities: ents }
+        this.saveCurrentWhiteboard({ contentByTime })
+      }
+    },
+
+    /** 白板平台从右键菜单删除后，从 contentByTime 移除并保存 */
+    handleWhiteboardEntityDeleted(entityData) {
+      if (!this.currentWhiteboard || !this.currentWhiteboardTimeBlock || !entityData || !entityData.id) return
+      const contentByTime = { ...(this.currentWhiteboard.contentByTime || {}) }
+      const currentContent = contentByTime[this.currentWhiteboardTimeBlock] || { entities: [] }
+      const ents = (currentContent.entities || []).filter(e => e.id !== entityData.id)
+      contentByTime[this.currentWhiteboardTimeBlock] = { ...currentContent, entities: ents }
+      this.saveCurrentWhiteboard({ contentByTime })
+    },
+
+    /** 白板空域/图形编辑后（调整位置、修改属性等）更新 contentByTime 并保存 */
+    handleWhiteboardDrawingUpdated(entityData) {
+      if (!this.currentWhiteboard || !this.currentWhiteboardTimeBlock || !entityData || !entityData.id) return
+      const contentByTime = { ...(this.currentWhiteboard.contentByTime || {}) }
+      const currentContent = contentByTime[this.currentWhiteboardTimeBlock] || { entities: [] }
+      const ents = [...(currentContent.entities || [])]
+      const idx = ents.findIndex(e => e.id === entityData.id)
+      if (idx >= 0) {
+        ents[idx] = entityData
+        contentByTime[this.currentWhiteboardTimeBlock] = { ...currentContent, entities: ents }
+        this.saveCurrentWhiteboard({ contentByTime })
+      }
+    },
+
+    async saveCurrentWhiteboard(patch) {
+      if (!this.currentRoomId || !this.currentWhiteboard) return
+      const wb = { ...this.currentWhiteboard, ...patch }
+      try {
+        await updateWhiteboard(this.currentRoomId, wb.id, wb)
+        this.currentWhiteboard = wb
+        const i = this.whiteboards.findIndex(w => w.id === wb.id)
+        if (i >= 0) this.whiteboards[i] = wb
+      } catch (e) {
+        this.$message.error('保存白板失败')
+      }
+    },
+
     handleDeleteMenuItem(deletedItem) {
       const index = this.menuItems.findIndex(item => item.id === deletedItem.id)
       if (index > -1) {
@@ -2702,14 +3064,48 @@ export default {
       if (ev.dataTransfer) ev.dataTransfer.dropEffect = 'copy'
     },
 
-    /** 将平台图标放置到地图上，并保存到当前房间 */
+    /** 将平台图标放置到地图上，并保存到当前房间；白板模式下添加到白板当前时间块 */
     async handleMapDrop(ev) {
       ev.preventDefault()
       const raw = ev.dataTransfer && ev.dataTransfer.getData('application/json')
       if (!raw) return
       try {
-        const platform = JSON.parse(raw)
+        const data = JSON.parse(raw)
+        const platform = data.type === 'whiteboardPlatform' ? data.platform : data
         const map = this.$refs.cesiumMap
+
+        if (this.showWhiteboardPanel && data.type === 'whiteboardPlatform') {
+          if (!this.currentWhiteboard || !this.currentWhiteboardTimeBlock) {
+            this.$message.warning('请先选择或添加时间块')
+            return
+          }
+          const pos = map && typeof map.getLatLngFromScreen === 'function' ? map.getLatLngFromScreen(ev.clientX, ev.clientY) : null
+          if (!pos) {
+            this.$message.warning('请将图标放置到地图有效区域内')
+            return
+          }
+          const entityId = 'wb_' + Date.now() + '_' + Math.random().toString(36).slice(2)
+          const entity = {
+            id: entityId,
+            type: 'platformIcon',
+            platformId: platform.id,
+            platform,
+            platformName: platform.name || '',
+            lat: pos.lat,
+            lng: pos.lng,
+            heading: 0,
+            label: platform.name || '平台',
+            color: platform.color || '#008aff'
+          }
+          const contentByTime = { ...(this.currentWhiteboard.contentByTime || {}) }
+          const currentContent = contentByTime[this.currentWhiteboardTimeBlock] || { entities: [] }
+          currentContent.entities = [...(currentContent.entities || []), entity]
+          contentByTime[this.currentWhiteboardTimeBlock] = currentContent
+          await this.saveCurrentWhiteboard({ contentByTime })
+          this.$message.success('已添加到白板')
+          return
+        }
+
         if (!map || typeof map.addPlatformIconFromDrag !== 'function') return
         const entityData = map.addPlatformIconFromDrag(platform, ev.clientX, ev.clientY)
         if (!entityData || !this.currentRoomId) return
@@ -2934,6 +3330,9 @@ export default {
       } else if (item.id === '4t') {
         // 4T：切换4T悬浮窗显示
         this.show4TPanel = !this.show4TPanel;
+      } else if (item.id === 'whiteboard') {
+        // 白板：进入/退出白板模式
+        this.toggleWhiteboardMode();
       } else if (item.id === 'start') {
         // 如果当前已经是冲突标签页，则关闭右侧面板
         if (this.activeRightTab === 'conflict' && !this.isRightPanelHidden) {
@@ -3055,16 +3454,21 @@ export default {
       // 右上角作战时间随时与推演时间轴同步（无论是否展示航线）
       this.combatTime = this.currentTime;
       this.updateDeductionPositions();
-      // 有房间且已选航线时，按房间+航线组合从 Redis 加载导弹（仅变化时加载一次）
+      // 有房间且已选航线时，按房间+航线组合从 Redis 加载导弹（仅变化时加载一次）；大房间时用 plan.roomId
       const roomId = this.currentRoomId;
       const routeIds = (this.activeRouteIds || []).slice().sort((a, b) => (a - b));
+      const isParentRoom = this.roomDetail && this.roomDetail.parentId == null;
       if (roomId != null && routeIds.length > 0 && this.$refs.cesiumMap && typeof this.$refs.cesiumMap.loadMissilesFromRedis === 'function') {
-        const loadKey = roomId + '-' + routeIds.join(',');
+        const routePlatforms = this.routes
+          .filter(r => routeIds.includes(r.id))
+          .map(r => {
+            const plan = this.plans.find(p => p.id === r.scenarioId);
+            const rId = (isParentRoom && plan && plan.roomId) ? plan.roomId : roomId;
+            return { routeId: r.id, platformId: r.platformId != null ? r.platformId : 0, roomId: rId };
+          });
+        const loadKey = routePlatforms.map(r => `${r.roomId}-${r.routeId}`).sort().join(',');
         if (this._missilesLoadKey !== loadKey) {
           this._missilesLoadKey = loadKey;
-          const routePlatforms = this.routes
-            .filter(r => routeIds.includes(r.id))
-            .map(r => ({ routeId: r.id, platformId: r.platformId != null ? r.platformId : 0 }));
           if (routePlatforms.length > 0) {
             this.$refs.cesiumMap.loadMissilesFromRedis(roomId, routePlatforms);
           }
@@ -3113,14 +3517,20 @@ export default {
       this.reloadMissilesAfterRouteChange();
     },
 
-    /** 根据当前选中的航线重新加载导弹（删除航线后需调用以清除地图上的导弹） */
+    /** 根据当前选中的航线重新加载导弹（删除航线后需调用以清除地图上的导弹）；大房间时用 plan.roomId */
     reloadMissilesAfterRouteChange() {
       const roomId = this.currentRoomId;
       if (roomId == null || !this.$refs.cesiumMap || typeof this.$refs.cesiumMap.loadMissilesFromRedis !== 'function') return;
+      const isParentRoom = this.roomDetail && this.roomDetail.parentId == null;
       const routeIds = (this.activeRouteIds || []).slice().sort((a, b) => (a - b));
       const routePlatforms = this.routes
         .filter(r => routeIds.includes(r.id))
-        .map(r => ({ routeId: r.id, platformId: r.platformId != null ? r.platformId : 0 }));
+        .map(r => {
+          const plan = this.plans.find(p => p.id === r.scenarioId);
+          const rId = (isParentRoom && plan && plan.roomId) ? plan.roomId : roomId;
+          return { routeId: r.id, platformId: r.platformId != null ? r.platformId : 0, roomId: rId };
+        });
+      this._missilesLoadKey = routePlatforms.map(r => `${r.roomId}-${r.routeId}`).sort().join(',');
       this.$refs.cesiumMap.loadMissilesFromRedis(roomId, routePlatforms);
     },
 
diff --git a/ruoyi-ui/src/views/selectRoom/index.vue b/ruoyi-ui/src/views/selectRoom/index.vue
index 15a3e34..92d884a 100644
--- a/ruoyi-ui/src/views/selectRoom/index.vue
+++ b/ruoyi-ui/src/views/selectRoom/index.vue
@@ -21,7 +21,7 @@
             <div
               class="room-item parent-room"
               :class="{ 'active': selectedRoom === room.id }"
-              @click="toggleRoomExpansion(room)"
+              @click="handleParentRoomClick(room)"
               @contextmenu.prevent="showContextMenu($event, room)"
             >
               <div class="room-info">
@@ -90,8 +90,9 @@
           <button
             @click="enterRoom"
             class="btn-primary"
-            :disabled="!selectedRoom"
-            :class="{ 'disabled': !selectedRoom }"
+            :disabled="!canEnterRoom"
+            :class="{ 'disabled': !canEnterRoom }"
+            :title="enterRoomDisabledTip"
           >
             <i class="fa fa-sign-in"></i> 进入房间
           </button>
@@ -169,6 +170,25 @@ export default {
   computed: {
     getParentRooms() {
       return this.rooms.filter(room => room.parentId === null)
+    },
+    /** 选中的房间对象 */
+    selectedRoomObj() {
+      if (!this.selectedRoom) return null
+      return this.rooms.find(r => r.id === this.selectedRoom)
+    },
+    /** 是否可进入：小房间直接进；大房间需有子房间才能进 */
+    canEnterRoom() {
+      if (!this.selectedRoom || !this.selectedRoomObj) return false
+      if (this.selectedRoomObj.parentId != null) return true // 小房间
+      return this.getChildRooms(this.selectedRoom).length > 0 // 大房间需有子房间
+    },
+    /** 进入按钮禁用时的提示 */
+    enterRoomDisabledTip() {
+      if (!this.selectedRoom) return '请先选择房间'
+      if (!this.selectedRoomObj) return ''
+      if (this.selectedRoomObj.parentId != null) return ''
+      if (this.getChildRooms(this.selectedRoom).length === 0) return '该大房间暂无子房间，无法进入'
+      return ''
     }
   },
   methods: {
@@ -185,8 +205,9 @@ export default {
       }).catch(() => {})
     },
     getList() {
-      listRooms().then(response => {
-        this.rooms = response.rows || response;
+      // 传 pageSize 拉取全部房间，避免分页只返回前 10 条导致新建房间不显示
+      listRooms({ pageNum: 1, pageSize: 9999 }).then(response => {
+        this.rooms = response.rows || response || [];
       }).catch(err => {
         console.error("加载列表失败，请检查后端接口权限", err);
       });
@@ -194,12 +215,21 @@ export default {
     getChildRooms(parentId) {
       return this.rooms.filter(room => room.parentId === parentId)
     },
+    /** 大房间点击：第一次展开，第二次选中 */
+    handleParentRoomClick(room) {
+      const isExpanded = this.expandedRooms.includes(room.id)
+      if (!isExpanded) {
+        this.expandedRooms.push(room.id)
+      } else {
+        this.selectedRoom = room.id
+      }
+    },
     toggleRoomExpansion(room) {
       const index = this.expandedRooms.indexOf(room.id)
       if (index > -1) {
         this.expandedRooms.splice(index, 1)
       } else {
-        this.expandedRooms = [room.id]
+        this.expandedRooms.push(room.id)
       }
     },
     selectRoom(room) {