设备进场清空时间框

src/views/tentative/device/approach.vue

@@ -310,6 +310,9 @@ const betweenTimeUpdate = ({arr}) => {
     if (arr.length > 0) {
         searchForm.value.startTime = arr[0]
         searchForm.value.endTime = arr[1]
+    }else{
+         searchForm.value.startTime = ''
+        searchForm.value.endTime = ''
     }
 }