改为对象类型

src/views/train/multiple.vue

@@ -105,7 +105,7 @@ const data = reactive<any>({
   showReportList: false,//显示隐藏测试记录
   exitStatus: 0,//退出响应次数
   sid: null,//WS的id
-  chooseStudentArea: '',//弹出手动选择对应的区号
+  chooseStudentArea: {},//弹出手动选择对应的区号
   device_info: {},//设备信息
 });
 const { timerManager, parameter, time, userInfo, examState, needStart, showTestAgain, testList, multipleItemRefList, styleType, showReportList, exitStatus, sid, chooseStudentArea, device_info } = toRefs(data);