fix：菜单默认激活项修复

src/components/app-mob-menu-default-view/app-mob-menu-default-view.vue

@@ -185,7 +185,8 @@ export default class AppMobMenuDefaultView extends Vue {
         if(index!= -1){
             this.activeId = this.items[index].id;
         }else{
-            this.activeId = this.items[0].id;
+            const index = this.items.findIndex((item: any) => { return !item.hidden })
+            this.activeId = this.items[index].id;
         }
         this.loadCounterData();
     }