diff --git a/storage/qiniu.go b/storage/qiniu.go
index da6a763..dfb8ae7 100644
--- a/storage/qiniu.go
+++ b/storage/qiniu.go
@@ -167,7 +167,7 @@ func (s *Qiniu) Url(objectName string, expire time.Duration) string {
 		return ""
 	}
 
-	domain := "http://" + domains[0].Domain
+	domain := "https://" + domains[0].Domain
 	if expire == 0 {
 		return storage.MakePublicURLv2(domain, objectName)
 	} else {