学生管理

src/components/pages/studentManageNew/index.vue

@@ -237,8 +237,13 @@ export default {
             if(this.activeId == '' || val ==1){
               console.log('111');
               this.activeId = box2[0].id;
+              this.activeinfo = box2[0];
+            } else {
+              const activeItem = box2.find((item) => item.id === this.activeId);
+              if (activeItem) {
+                this.activeinfo = activeItem;
+              }
             }
-            this.activeinfo = box2[0];
           }
 
           box3.push({id:0,name:"兴趣班",children:[]});