修改小铃铛的时间问题

src/components/NewMsg.vue

@@ -56,7 +56,7 @@
       </div>
     </div>
     <v-box v-model="showMsg" :title="msgDetail.data && msgDetail.data.title">
-      <p class="sub-text text-muted">{{ msgDetail.created_at }}</p>
+      <p class="sub-text text-muted">{{ created_at }}</p>
       {{ msgDetail.data && msgDetail.data.content }}
     </v-box>
   </li>
@@ -72,7 +72,8 @@ export default {
       more: true,
       showMsg: false,
       notReadTotal: 0,
-      msgDetail: {}
+      msgDetail: {},
+	  created_at:""
     };
   },
   watch: {
@@ -116,7 +117,8 @@ export default {
       });
     },
     // 获取消息详情
-    readNotifiable({ id }) {
+    readNotifiable({ id,created_at}) {
+		this.created_at = created_at
       let data = {
         id
       };