diff --git a/src/system/common.func.php b/src/system/common.func.php
index efaae505..0035e896 100755
--- a/src/system/common.func.php
+++ b/src/system/common.func.php
@@ -39,6 +39,12 @@ if (version_compare(PHP_VERSION, '7.0.0', '>=')) {
             return mysqli_close($link);
         }
     }
+    if (!function_exists('mysql_free_result') and function_exists('mysqli_free_result')) {
+        function mysql_free_result($result)
+        {
+            return mysqli_free_result($result);
+        }
+    }
     if (!function_exists('split')) {
         function split($pattern, $string)
         {
diff --git a/src/system/taglib/sql.lib.php b/src/system/taglib/sql.lib.php
index f4ae9213..fbeade6b 100755
--- a/src/system/taglib/sql.lib.php
+++ b/src/system/taglib/sql.lib.php
@@ -43,7 +43,7 @@ function lib_sql(&$ctag, &$refObj)
         //链接数据库
         $linkid = @mysql_connect($config['dbhost'], $config['dbuser'], $config['dbpwd']);
         if (!$linkid) return '';
-        @mysql_select_db($config['dbname']);
+        @mysql_select_db($config['dbname'], $linkid);
         $mysqlver = explode('.', $dsql->GetVersion());
         $mysqlver = $mysqlver[0].'.'.$mysqlver[1];
         //设定数据库编码及长连接