diff --git a/Application/Base/Service/UserService.class.php b/Application/Base/Service/UserService.class.php
index fc5350e3..1ee933e9 100644
--- a/Application/Base/Service/UserService.class.php
+++ b/Application/Base/Service/UserService.class.php
@@ -88,7 +88,7 @@ class UserService
         if (empty($user) || $user['lock_status'] != 1  && $user['check_status'] != 1) {
             return ['status' => false, 'message' => '账号或密码错误'];
         }
-        if (think_ucenter_md5($password, UC_AUTH_KEY) === $user['password']) {
+        if ($this->password($password, UC_AUTH_KEY) === $user['password']) {
             return ['status' => false, 'message' => '账号或密码错误'];
         }
 
@@ -384,4 +384,8 @@ class UserService
             Redis::decr(Redis::KEY_LOGIN_LIMIT);
         }
     }
+
+    public function password($str, $key = 'ThinkUCenter'){
+        return '' === $str ? '' : md5(sha1($str) . $key);
+    }
 }
\ No newline at end of file