diff --git a/examples/components/headerNav.vue b/examples/components/headerNav.vue
index 5c1c1aed..1affec37 100644
--- a/examples/components/headerNav.vue
+++ b/examples/components/headerNav.vue
@@ -11,7 +11,7 @@
     <el-dropdown @visible-change="v=>isClick=v" @command="doMenu" class="rightDropdown">
       <el-row type="flex" align="middle">
         <el-avatar :src="user.info.avatar">
-          {{ user.info.name.slice(-2) }}
+          {{ defaultAvatar }}
         </el-avatar>
         <span>{{ [user.info.name, user.info.roleName].join(" - ") }}</span>
         <i :class="dropdownIcon"/>
@@ -48,6 +48,9 @@ export default {
     dropdownIcon() {
       return this.isClick ? 'el-icon-caret-top' : 'el-icon-caret-bottom'
     },
+    defaultAvatar() {
+      return this.user.info.name?.slice(-2) || "无名"
+    }
   },
   methods: {
     // 获取最新的安卓、ios下载二维码