diff --git a/app/middleware/AuthUser.php b/app/middleware/AuthUser.php
index 07b78b2..833de49 100644
--- a/app/middleware/AuthUser.php
+++ b/app/middleware/AuthUser.php
@@ -12,7 +12,7 @@ class AuthUser
         $islogin = false;
         $cookie = cookie('user_token');
         $user = null;
-        if($cookie){
+        if($cookie && config_get('sys_key')){
             $token=authcode($cookie, 'DECODE', config_get('sys_key'));
             if($token){
                 list($type, $uid, $sid, $expiretime) = explode("\t", $token);
diff --git a/app/middleware/LoadConfig.php b/app/middleware/LoadConfig.php
index f9c0ff8..198c39a 100644
--- a/app/middleware/LoadConfig.php
+++ b/app/middleware/LoadConfig.php
@@ -6,6 +6,7 @@ namespace app\middleware;
 use Exception;
 use think\facade\Db;
 use think\facade\Config;
+use think\facade\Cache;
 
 class LoadConfig
 {
@@ -33,6 +34,7 @@ class LoadConfig
             $res = Db::name('config')->cache('configs',0)->column('value','key');
             if(empty($res['sys_key']) && !empty(env('app.sys_key'))){
                 config_set('sys_key', env('app.sys_key'));
+                Cache::delete('configs');
                 $res['sys_key'] = env('app.sys_key');
             }
             Config::set($res, 'sys');