历史模式拖动问题

src/pages/footer/component/timers.vue

@@ -1240,7 +1240,7 @@ const changeSpeed = () => {
 
 const startDrag = (handle, e) => {
   //console.log("开始拖动");
-  if (is_flag_isRealtime) {
+  if (is_flag_isRealtime.value) {
     ElMessage({
       type: 'warning',
       message: '实时模式下无法进行拖拽',