diff --git a/application/install/view/index/successful.html b/application/install/view/index/successful.html
index 4bf831e9d5372dffa43c6983215497df9c903212..87947392479211fdb1a7fbac0a5739e83226ce33 100644
--- a/application/install/view/index/successful.html
+++ b/application/install/view/index/successful.html
@@ -10,7 +10,7 @@
     <div class="box">
         <a href="{{$Think.__MY_URL__}}index.php?s=/admin/index/index" target="_blank">后台管理</a><br />
         <p class="admin-hint">默认账号：admin &emsp; 默认密码为：shopxo</p>
-        <p class="tips-sweet">请尽快修改管理员密码，以防被黑客非法入侵。</p>
+        <p class="tips-sweet">请尽快修改管理员密码，以防被黑客非法入侵。<br />并删除 ./application 目录下的 install 目录。</p>
         <br />
         <a href="{{$Think.__MY_URL__}}" target="_blank">访问首页</a>
     </div>