diff --git a/backend/internal/service/gateway_service.go b/backend/internal/service/gateway_service.go
index d8a7a8b9..c58f5ab7 100644
--- a/backend/internal/service/gateway_service.go
+++ b/backend/internal/service/gateway_service.go
@@ -362,8 +362,8 @@ func (s *GatewayService) getOAuthToken(ctx context.Context, account *model.Accou
 
 // 重试相关常量
 const (
-	maxRetries = 3               // 最大重试次数
-	retryDelay = 2 * time.Second // 重试等待时间
+	maxRetries = 5               // 最大重试次数
+	retryDelay = 6 * time.Second // 重试等待时间
 )
 
 // shouldRetryUpstreamError 判断是否应该重试上游错误