diff --git a/storage/minio.go b/storage/minio.go
index 420b349..e008eda 100644
--- a/storage/minio.go
+++ b/storage/minio.go
@@ -112,9 +112,14 @@ func (s *Minio) Url(objectName string, expire time.Duration) string {
 	if err := s.Init(); err != nil {
 		return err.Error()
 	}
+
+	if expire > time.Hour*24*7 {
+		expire = time.Hour * 24 * 7
+	}
 	var params url.Values
 	u, err := s.client.PresignedGetObject(s.config.Bucket, objectName, expire, params)
 	if err != nil {
+		log.Errorf("error:%s", err.Error())
 		return fmt.Sprintf("%s/%s/%s", s.config.BaseUrl, s.config.Bucket, objectName)
 	}