diff --git a/app/Http/Controllers/Api/LoginController.php b/app/Http/Controllers/Api/LoginController.php
index 551c8f7..e9a80a2 100644
--- a/app/Http/Controllers/Api/LoginController.php
+++ b/app/Http/Controllers/Api/LoginController.php
@@ -53,7 +53,10 @@ class LoginController extends Controller
 			];
 
 			$app = Factory::openPlatform($config);
-			$refreshToken = $app->getAuthorizer($appid)['authorization_info']['authorizer_refresh_token'];
+			$refreshToken = $app->getAuthorizer($appid)['authorization_info']['authorizer_refresh_token'] ?? null;
+			if (!$refreshToken) {
+				return $this->error('获取refresh_token失败');
+			}
 			$app = $app->miniProgram($appid, $refreshToken);
 		}