错误捕捉。

pages/index.vue

@@ -27,6 +27,7 @@
         <h2>admin,user{{this.$store.state.admin.user.counter}}</h2>
         <Button @click="increment">+</Button>
         <Button type="error" v-auth="['admin2']" @click="log">log</Button>
+        <Button type="error"  @click="log">log</Button>
       </div>
     </div>
   </div>
@@ -55,6 +56,7 @@ export default {
       if (process.env.NODE_ENV === 'development'){
         alert(123)
       }
+      alert(abc)
     }
   }
 }