fix disabled bug

src/views/teamDetail/components/modals/classList-group.vue

@@ -66,7 +66,7 @@ export default {
     };
   },
   mounted() {
-    this.activeClassList = JSON.parse(JSON.stringify(this.classList));
+    this.activeClassList = this.classList;
   },
   methods: {
     addClass() {
@@ -128,7 +128,7 @@ export default {
         this.addDisabled(arr)
       } else {
         if (arr.length == 0) {
-          this.activeClassList = JSON.parse(JSON.stringify(this.classList));
+          this.activeClassList = this.classList
         } else {
          this.addDisabled(arr)
         }
@@ -136,12 +136,10 @@ export default {
     },
     addDisabled(arr){
        this.activeClassList = this.activeClassList.map((classes) => {
-            if (arr.indexOf(classes.id) != -1) {
-              classes.disabled = true;
-            } else {
-              classes.disabled = false;
-            }
-            return classes;
+            return {
+              ...classes,
+              disabled: arr.indexOf(classes.id) != -1
+            };
           });
     }
   },