全局导航路由模式调整 --- fix1

src/components/app-breadcrumb/app-breadcrumb.vue

@@ -106,8 +106,8 @@ export default class Breadcrumb extends Vue {
      * @memberof Breadcrumb
      */
     public destroyed() {
-        if (this.viewStateEvent) {
-            this.viewStateEvent.unsubscribe();
+        if (this.serviceStateEvent) {
+            this.serviceStateEvent.unsubscribe();
         }
     }