diff --git a/module/testcase/model.php b/module/testcase/model.php
index b8812a4fe8..a2a8eb24a6 100644
--- a/module/testcase/model.php
+++ b/module/testcase/model.php
@@ -2774,18 +2774,6 @@ class testcaseModel extends model
         return array('sceneMaps'=>$sceneMaps,'topScenes'=>$topScenes);
     }
 
-    /**
-     * Check config.
-     *
-     * @param  string $str
-     * @access public
-     * @return bool
-     */
-    function checkConfigValue($str)
-    {
-        return preg_match("/^[a-zA-Z]{1,10}$/",$str);
-    }
-
     /**
      * 存储 xmind 配置。
      * Save xmind config.
diff --git a/module/testcase/zen.php b/module/testcase/zen.php
index a16cadb292..2e24f5463a 100644
--- a/module/testcase/zen.php
+++ b/module/testcase/zen.php
@@ -1779,8 +1779,9 @@ class testcaseZen extends testcase
         {
             $key   = $config['key'];
             $value = $config['value'];
-            if(!$this->testcase->checkConfigValue($value)) $configErrors[$key][] = sprintf($this->lang->testcase->errorXmindConfig, $this->lang->testcase->{$key});
+            if(!preg_match("/^[a-zA-Z]{1,10}$/", $value)) $configErrors[$key][] = sprintf($this->lang->testcase->errorXmindConfig, $this->lang->testcase->{$key});
         }
+
         if(!empty($configErrors)) dao::$errors = $configErrors;
 
         $map = array();