cookie

@@ -25,6 +25,7 @@ if(!function_exists('hasRole')) {
         $CI = &get_instance();
         $CI->load->helper('cookie');
         $login_user = get_cookie('login_user');
+        if($login_user) {
             $login_user = json_decode($login_user, true);
             foreach($login_user['roleKeys'] as $v){
                 if(in_array($v, $roles)){
@@ -33,4 +34,5 @@ if(!function_exists('hasRole')) {
             }
             return false;
         }
+    }
 }