修改

src/components/teacher/changeClassForm.vue

@@ -621,17 +621,18 @@
           if (this.selected.length > 0) {
             this.msg.OldChangePlanItemList = [];
             this.msg.NewChangePlanItemList = [];
-            let newArray = JSON.parse(JSON.stringify(this.selected))
-            newArray.forEach(x=>{
-              x.NewPlan.PlanTimeList = x.TimeList;
-              delete x.NewPlan.TimeList 
+            this.selected.forEach(x => {
+              this.msg.OldChangePlanItemList.push(x);
               this.msg.NewChangePlanItemList.push(x.NewPlan)
             })
-            this.selected.forEach(x => {
+            this.msg.OldChangePlanItemList.forEach(x=>{
               delete x.NewPlan 
               x.PlanTimeList=x.TimeList
               delete x.TimeList 
-              this.msg.OldChangePlanItemList.push(x);
+            })
+            this.msg.NewChangePlanItemList.forEach(x=>{
+              x.PlanTimeList=x.TimeList
+              delete x.TimeList 
             })
             this.msg.AllChangePlanItem = {};
           } else {