diff --git a/main.py b/main.py
index e8f7b77..e68160f 100644
--- a/main.py
+++ b/main.py
@@ -406,11 +406,24 @@ class MatrixControlApp(QMainWindow, Ui_MainWindow):
                     big_pic_id += 1
                     break
 
+            # 发送全部取消选择指令
+            cancel_all_bytes = self.serial_protocol.cancel_all()
+
+            if not cancel_all_bytes:
+                logger.error("指令封装失败，数据无效")
+                return
+
+            # send_command 方法来自 SerialManager 类
+            success = self.serial_manager.send_command(cancel_all_bytes)
+
+            if success:
+                logger.info(f"✅ 取消选择指令发送成功")
+            else:
+                logger.error("取消选择指令发送失败")
+
             # 生成拼接指令
             mosaic_packet_bytes = self.serial_protocol.build_mosaic_packet(start, v_count, h_count, big_pic_id)
 
-            print(mosaic_packet_bytes)
-
             if not mosaic_packet_bytes:
                 logger.error("指令封装失败，数据无效")
                 return
@@ -420,7 +433,13 @@ class MatrixControlApp(QMainWindow, Ui_MainWindow):
 
             if success:
 
-                click_labels = ScreenLabel.click_labels
+                ScreenLabel.click_labels = []
+
+                ids = [w.screen_id for w in selected_widgets]
+
+                for i in ids:
+                    ScreenLabel.split_solution[i - 1]["status"] = 3
+                    ScreenLabel.split_solution[i - 1]["big_pic_id"] = big_pic_id
 
                 # 1. 查找对应的 Label 对象
                 # label = self.screen_labels[screen_id - 1]  # 数组下标从0开始
@@ -433,20 +452,6 @@ class MatrixControlApp(QMainWindow, Ui_MainWindow):
             logger.error("指令发送失败，未连接数据大屏")
             return
 
-
-        # if selected:
-        #     # 如果选中，设置一个红色/蓝色的边框，或者背景色
-        #     self.setStyleSheet("""
-        #         border: 2px solid red;
-        #         background-color: rgba(255, 0, 0, 0.1);
-        #     """)
-        # else:
-        #     # 如果取消选中，恢复默认样式（假设默认是灰色边框）
-        #     self.setStyleSheet("""
-        #         border: 1px solid gray;
-        #         background-color: white;
-        #     """)
-
     def clear_screen(self, screen_id):
 
         screen_pos = ScreenLabel.split_solution[screen_id - 1]['big_pic_id']