diff --git a/ruoyi-ui/src/views/cesiumMap/index.vue b/ruoyi-ui/src/views/cesiumMap/index.vue
index 7ce9d22..8ceb02d 100644
--- a/ruoyi-ui/src/views/cesiumMap/index.vue
+++ b/ruoyi-ui/src/views/cesiumMap/index.vue
@@ -738,15 +738,17 @@ export default {
                 // 关键：使用 CallbackProperty 动态计算半径（半长轴和半短轴）
                 semiMajorAxis: new Cesium.CallbackProperty(() => {
                   if (centerPoint && activeCursorPosition) {
-                    return Cesium.Cartesian3.distance(centerPoint, activeCursorPosition);
+                    const distance = Cesium.Cartesian3.distance(centerPoint, activeCursorPosition);
+                    return Math.max(distance, 1); // 最小半径为1米，避免0值错误
                   }
-                  return 0;
+                  return 1;
                 }, false),
                 semiMinorAxis: new Cesium.CallbackProperty(() => {
                   if (centerPoint && activeCursorPosition) {
-                    return Cesium.Cartesian3.distance(centerPoint, activeCursorPosition);
+                    const distance = Cesium.Cartesian3.distance(centerPoint, activeCursorPosition);
+                    return Math.max(distance, 1); // 最小半径为1米，避免0值错误
                   }
-                  return 0;
+                  return 1;
                 }, false),
                 // 样式设置
                 material: Cesium.Color.fromCssColorString(this.defaultStyles.polygon.color).withAlpha(0.5),
@@ -779,7 +781,8 @@ export default {
       const centerPoint = this.drawingPoints[0];
 
       // 1. 计算最终半径
-      const radius = Cesium.Cartesian3.distance(centerPoint, edgePosition);
+      let radius = Cesium.Cartesian3.distance(centerPoint, edgePosition);
+      radius = Math.max(radius, 1); // 最小半径为1米，避免0值错误
 
       // 2. 移除动态预览实体
       if (this.tempEntity) {
@@ -1422,11 +1425,12 @@ export default {
 
         case 'circle':
           // 检查半径是否有效
-          const radius = entityData.data.radius || 1000
+          let radius = entityData.data.radius || 1000
           if (radius <= 0) {
             this.$message.error('圆形半径必须大于0')
             return
           }
+          radius = Math.max(radius, 1); // 最小半径为1米，避免0值错误
           entity = this.viewer.entities.add({
             position: Cesium.Cartesian3.fromDegrees(entityData.data.center.lng, entityData.data.center.lat),
             ellipse: {
diff --git a/ruoyi-ui/src/views/childRoom/LeftMenu.vue b/ruoyi-ui/src/views/childRoom/LeftMenu.vue
index 60706fe..6779418 100644
--- a/ruoyi-ui/src/views/childRoom/LeftMenu.vue
+++ b/ruoyi-ui/src/views/childRoom/LeftMenu.vue
@@ -28,6 +28,9 @@
           :title="item.name"
         >
           <i :class="item.icon"></i>
+          <div class="delete-icon" @click.stop="quickDelete(item)">
+            <i class="el-icon-close"></i>
+          </div>
         </div>
       </draggable>
       
@@ -124,6 +127,15 @@ export default {
       this.$emit('add')
     },
 
+    quickDelete(item) {
+      const index = this.localMenuItems.findIndex(menuItem => menuItem.id === item.id)
+      if (index > -1) {
+        this.localMenuItems.splice(index, 1)
+        this.$emit('update:menuItems', this.localMenuItems)
+        this.$emit('delete', item)
+      }
+    },
+
     handleRightClick(item) {
       this.itemToDelete = item
       this.showDeleteDialog = true
@@ -151,14 +163,14 @@ export default {
   position: absolute;
   top: 70px;
   left: 20px;
-  width: 36px;
+  width: 42px;
   background: rgba(255, 255, 255, 0.3);
   backdrop-filter: blur(10px);
   border: 1px solid rgba(0, 138, 255, 0.1);
   border-radius: 8px;
   z-index: 90;
   box-shadow: 0 4px 12px rgba(0, 138, 255, 0.2);
-  padding: 12px 2px;
+  padding: 12px 5px;
   transition: all 0.3s ease;
   overflow: hidden;
   opacity: 1;
@@ -215,6 +227,37 @@ export default {
   box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
 }
 
+.delete-icon {
+  position: absolute;
+  top: -6px;
+  right: -6px;
+  width: 16px;
+  height: 16px;
+  background: #F56C6C;
+  color: white;
+  border-radius: 50%;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  font-size: 10px;
+  cursor: pointer;
+  opacity: 0;
+  visibility: hidden;
+  transition: all 0.2s;
+  z-index: 10;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+.menu-item:hover .delete-icon {
+  opacity: 1;
+  visibility: visible;
+}
+
+.delete-icon:hover {
+  background: #F78989;
+  transform: scale(1.1);
+}
+
 .menu-item:active {
   cursor: grabbing;
 }