fix bug

apps/admin/Tpl/default/Index/index.html

@@ -89,7 +89,7 @@
             <div class="nav_sub">
                 <div class="nav-sub-icon"></div>
                 <div class="nav-sub-content">
-                    <a target="_blank" href="/">返回前台</a>
+                   <!-- <a target="_blank" href="/">返回前台</a> -->
                     <a href="javascript:void(0);" onClick="refresh();">刷新</a>
                     <a href="{:U('admin/Public/logout')}">退出</a>
                 </div>
@@ -216,4 +216,4 @@
     </script>
 </body>
 
-</html>
\ No newline at end of file
+</html>