fix

@@ -2,10 +2,10 @@
     <div class="clear wrapper-404">
         <div class="left"><img src="http://static.yohobuy.com/images/v3/index/404.png"></div>
         <div class="right right-tips">
-            <p class="text1">服务器繁忙请重试！</p>
+            <p class="text1">{{#if err.message}}{{err.message}}{{^}}服务器繁忙请重试！{{/if}}</p>
             <p class="text2">
             </p>
             <p class="text3"><a href="http://www.yohobuy.com/product/new" class="button">浏览新品</a>&nbsp;&nbsp;<a href="http://www.yohobuy.com/" class="button">返回首页</a></p>
         </div>
     </div>
-</div>
\ No newline at end of file
+</div>

 const $ = require('yoho-jquery');
+const Alert = require('./common/dialog').Alert;
 
 // 注册ajaxError处理服务端异常
 $(document).ajaxError((event, xhr) => {
     if (xhr.responseJSON) {
-        if (xhr.status === 510 && xhr.responseJSON.data && xhr.responseJSON.data.refer) {
-            window.location.href = xhr.responseJSON.data.refer;
+        if (xhr.status === 510) {
+            if (xhr.responseJSON.data && xhr.responseJSON.data.refer) {
+                window.location.href = xhr.responseJSON.data.refer;
+            } else if (xhr.responseJSON.message) {
+                new Alert(xhr.responseJSON.message).show();
+            }
         }
     }
 });