diff --git a/application/extra/sqlite.db b/application/extra/sqlite.db
deleted file mode 100644
index 45cbad095..000000000
Binary files a/application/extra/sqlite.db and /dev/null differ
diff --git a/application/index/controller/Index.php b/application/index/controller/Index.php
index 9435ed959..76b0a0c8a 100644
--- a/application/index/controller/Index.php
+++ b/application/index/controller/Index.php
@@ -1,10 +1,8 @@
 <?php
 namespace app\index\controller;
 
-class Index
-{
-    public function index()
-    {
-       return '<style type="text/css">*{ padding: 0; margin: 0; } .think_default_text{ padding: 4px 48px;} a{color:#2E5CD5;cursor: pointer;text-decoration: none} a:hover{text-decoration:underline; } body{ background: #fff; font-family: "Century Gothic","Microsoft yahei"; color: #333;font-size:18px} h1{ font-size: 100px; font-weight: normal; margin-bottom: 12px; } p{ line-height: 1.6em; font-size: 42px }</style><div style="padding: 24px 48px;"> <h1>:)</h1><p> ThinkPHP V5<br/><span style="font-size:30px">十年磨一剑 - 为API开发设计的高性能框架</span></p><span style="font-size:22px;">[ V5.0 版本由 <a href="http://www.qiniu.com" target="qiniu">七牛云</a> 独家赞助发布 ]</span></div><script type="text/javascript" src="http://tajs.qq.com/stats?sId=9347272" charset="UTF-8"></script><script type="text/javascript" src="http://ad.topthink.com/Public/static/client.js"></script><thinkad id="ad_bd568ce7058a1091"></thinkad>';
+class Index {
+    public function index() {
+        return '<style type="text/css">*{ padding: 0; margin: 0; } .think_default_text{ padding: 4px 48px;} a{color:#2E5CD5;cursor: pointer;text-decoration: none} a:hover{text-decoration:underline; } body{ background: #fff; font-family: "Century Gothic","Microsoft yahei"; color: #333;font-size:18px} h1{ font-size: 100px; font-weight: normal; margin-bottom: 12px; } p{ line-height: 1.6em; font-size: 42px }</style><div style="padding: 24px 48px;"> <h1>:)</h1><p> ThinkPHP V5<br/><span style="font-size:30px">十年磨一剑 - 为API开发设计的高性能框架</span></p><span style="font-size:22px;">[ V5.0 版本由 <a href="http://www.qiniu.com" target="qiniu">七牛云</a> 独家赞助发布 ]</span></div><script type="text/javascript" src="http://tajs.qq.com/stats?sId=9347272" charset="UTF-8"></script><script type="text/javascript" src="http://ad.topthink.com/Public/static/client.js"></script><thinkad id="ad_bd568ce7058a1091"></thinkad>';
     }
 }
diff --git a/config/database.php b/config/database.php
index 69da17407..a6bc1c614 100644
--- a/config/database.php
+++ b/config/database.php
@@ -11,23 +11,23 @@
 
 return [
     // 数据库类型
-    'type'            => 'Sqlite',
+    'type'            => 'mysql',
     // 服务器地址
-    'hostname'        => '',
+    'hostname'        => 'data.cuci.cc',
     // 数据库名
-    'database'        => APP_PATH.'extra/sqlite.db',
+    'database'        => 'think.admin',
     // 用户名
-    'username'        => '',
+    'username'        => 'think.admin',
     // 密码
-    'password'        => '',
+    'password'        => 'think.admin',
     // 端口
-    'hostport'        => '',
+    'hostport'        => '3306',
     // 连接dsn
     'dsn'             => '',
     // 数据库连接参数
     'params'          => [],
     // 数据库编码默认采用utf8
-    'charset'         => 'utf8',
+    'charset'         => 'utf8mb4',
     // 数据库表前缀
     'prefix'          => '',
     // 数据库调试模式