diff --git a/functions.php b/functions.php
index 4247878..d3858ab 100755
--- a/functions.php
+++ b/functions.php
@@ -5,7 +5,7 @@ include '/mnt/config/php/config.php';
 
 //connect to database
 function db__connect($servername="",$username="",$password="",$dbname="")
-{echo $GLOBALS['g_db_serverName'];
+{
 	/* reset */
 	if($servername=="") $servername=$GLOBALS['g_db_serverName'];
 	if($username=="") $username=$GLOBALS['g_db_usrName'];
diff --git a/intro.html b/intro.html
index efc2f95..0185990 100644
--- a/intro.html
+++ b/intro.html
@@ -30,8 +30,6 @@
         # 返回数据(plaintext) #<br/><br/>
         <li>随机的一句话</li>
         <hr># 备注 #
-          <br/>更多用法参考
-          <a href="https://www.eee.dog/tech/rand-pic-api.html">https://www.eee.dog/tech/rand-pic-api.html</a>
           <br/>
           <hr># 示例 #
           <br/>