fix：修复车船gps运动错误的问题

src/views/scenic/components/box-2.vue

@@ -326,7 +326,7 @@
   import PubSub from 'pubsub-js'
 
   const scenicStore = useScenicStore()
-  const { initMap, addMarker } = useMap()
+  const { initMap, addMarker, clearOverlays } = useMap()
 
   const garageList = computed(() => {
     return scenicStore.stopCarData.headList
@@ -383,20 +383,19 @@
   watch(
     () => scenicStore.carShipData,
     (val) => {
-      if (val.car.list.length) {
-        setTimeout(() => {
+      setTimeout(() => {
+        clearOverlays()
+        if (val.car.list.length) {
           val.car.list.map((item) => {
             addMarker(carIcon, [item.lng, item.lat], [36, 50])
           })
-        }, 1000)
-      }
-      if (val.ship.list.length) {
-        setTimeout(() => {
+        }
+        if (val.ship.list.length) {
           val.ship.list.map((item) => {
             addMarker(shipIcon, [item.lng, item.lat], [36, 50])
           })
-        }, 1000)
-      }
+        }
+      }, 1000)
     },
     { immediate: true }
   )