bug fixes

src/pages/other/message.vue

@@ -6,7 +6,7 @@
         <template v-for="(item, index) in msgList">
           <el-collapse-item v-bind:key="index" :name="index">
             <template slot="title">
-              <el-badge :is-dot="!item.isShow" class="item">{{ item.title }}</el-badge>
+              <el-badge :is-dot="!item.isShow" class="item">{{ item.title || '系统通知' }}</el-badge>
             </template>
             <div v-html="item.text"></div>
           </el-collapse-item>