update

src/components/pages/addCourse.vue

@@ -4542,8 +4542,10 @@ export default {
             this.unitJson = _unitJson;
             this.$forceUpdate();
             setTimeout(() => {
-              this.isDelete = 2;
-              this.unitIndex = _unitIndex2;
+              if (this.unitIndex != _unitIndex2) {
+                this.isDelete = 2;
+                this.unitIndex = _unitIndex2;
+              }
             }, 0);
             this.timer = setTimeout(() => {
               this.seleteCourseUpdate();
@@ -4575,8 +4577,10 @@ export default {
                 _this.unitJson = _unitJson;
                 _this.$forceUpdate();
                 setTimeout(() => {
-                  this.isDelete = 2;
-                  this.unitIndex = _unitIndex2;
+                  if (this.unitIndex != _unitIndex2) {
+                    this.isDelete = 2;
+                    this.unitIndex = _unitIndex2;
+                  }
                 }, 0);
                 _this.timer = setTimeout(() => {
                   _this.seleteCourseUpdate();
@@ -4608,8 +4612,10 @@ export default {
           this.unitJson = unitJson;
           this.$forceUpdate();
           setTimeout(() => {
-            this.isDelete = 2;
-            this.unitIndex = unitIndex2;
+            if (this.unitIndex != unitIndex2) {
+              this.isDelete = 2;
+              this.unitIndex = unitIndex2;
+            }
           }, 0);
           this.timer = setTimeout(() => {
             this.seleteCourseUpdate();