diff --git a/application/admin/controller/Index.php b/application/admin/controller/Index.php
index e14617c02..75686fb4e 100644
--- a/application/admin/controller/Index.php
+++ b/application/admin/controller/Index.php
@@ -58,7 +58,14 @@ class Index extends BasicAdmin {
         $version = Db::query('select version() as ver');
         $version = array_pop($version);
         $this->assign('mysql_ver', $version['ver']);
-        $this->assign('title', '系统信息');
+        if (session('user.username') === 'admin' && session('user.password') === '662af1cd1976f09a9f8cecc868ccc0a2') {
+            $alert = [
+                'type'    => 'danger',
+                'title'   => '安全提示',
+                'content' => '超级管理员默认密码未修改，建议马上修改！'
+            ];
+            $this->assign('alert', $alert);
+        }
         return view();
     }
 
diff --git a/application/extra/view/admin.content.html b/application/extra/view/admin.content.html
index 1caabf094..abdb2aeef 100644
--- a/application/extra/view/admin.content.html
+++ b/application/extra/view/admin.content.html
@@ -6,6 +6,15 @@
     </div>
     {/if}
     <div class="ibox-content fadeInUp animated">
+        {if isset($alert)}
+        <div class="alert alert-{$alert.type} alert-dismissible" role="alert">
+            <button type="button" class="close" data-dismiss="alert" aria-label="Close">
+                <span aria-hidden="true">&times;</span>
+            </button>
+            {if isset($alert['title'])}<strong>{$alert.title}</strong><br/>{/if}
+            {if isset($alert['content'])}<p>{$alert.content}</p>{/if}
+        </div>
+        {/if}
         {block name="content"}
         {/block}
     </div>