diff --git a/tests/thinkphp/library/think/dbTest.php b/tests/thinkphp/library/think/dbTest.php
new file mode 100644
index 00000000..d3159b04
--- /dev/null
+++ b/tests/thinkphp/library/think/dbTest.php
@@ -0,0 +1,28 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+
+/**
+ * Db类测试
+ */
+
+namespace tests\thinkphp\library\think;
+
+use \think\Db;
+
+class dbTest extends \PHPUnit_Framework_TestCase
+{
+    public function testConnect()
+    {
+        Db::connect('mysql://root@127.0.0.1/test#utf8');
+        Db::execute('show databases');
+    }
+
+}