diff --git a/source/application/api/controller/library/Pass.php b/source/application/api/controller/library/Pass.php
index 72d4483..2bdc03f 100644
--- a/source/application/api/controller/library/Pass.php
+++ b/source/application/api/controller/library/Pass.php
@@ -12,7 +12,7 @@ class Pass extends Controller
 
     protected $url = 'http://balib.cn:8999';
 
-    public function requestValiDate()
+    protected function requestValiDate()
     {
         $token = $this->request->param('token');
         if (empty($token)) throw new BaseException(['msg' => '缺少token参数']);