diff --git a/application/common/library/Auth.php b/application/common/library/Auth.php
index f8a92a1c..8b45321f 100644
--- a/application/common/library/Auth.php
+++ b/application/common/library/Auth.php
@@ -296,6 +296,10 @@ class Auth
     {
         $user = User::get($user_id);
         if ($user) {
+            //判断是否同一时间同一账号只能在一个地方登录
+            if (Config::get('fastadmin.login_unique')) {
+                Token::clear($user_id);
+            }
             Db::startTrans();
             try {
                 $ip = request()->ip();