feat：完善功能

src/hooks/map.js

@@ -27,6 +27,10 @@ export function useMap() {
     var marker = new BMapGL.Marker(point, { icon: iconPath })
     map.value.addOverlay(marker)
   }
+  // 清除覆盖物
+  const clearOverlays = () => {
+    map.value.clearOverlays()
+  }
 
-  return { map, initMap, addMarker }
+  return { map, initMap, addMarker, clearOverlays }
 }

src/hooks/socket.js

@@ -19,14 +19,13 @@ export function useWebSocket(url) {
       console.error('WebSocket error:', error)
     }
     socket.value.onmessage = (message) => {
-      // 处理接收到的消息
       if (JSON.parse(message.data)) {
         let data = JSON.parse(message.data)
         dataRes.value = data
       }
     }
-    socket.value.onclose = () => {
-      console.log('WebSocket disconnected')
+    socket.value.onclose = (event) => {
+      console.log('WebSocket close：', event)
     }
   }