diff --git a/backend/app/service/website.go b/backend/app/service/website.go
index fd37efcbe..94c068c0b 100644
--- a/backend/app/service/website.go
+++ b/backend/app/service/website.go
@@ -296,7 +296,7 @@ func (w WebsiteService) CreateWebsite(create request.WebsiteCreate) (err error)
 					install *model.AppInstall
 				)
 				reg, _ := regexp.Compile(`[^a-z0-9_-]+`)
-				req.Name = reg.ReplaceAllString(strings.ToLower(create.PrimaryDomain), "")
+				req.Name = reg.ReplaceAllString(strings.ToLower(alias), "")
 				req.AppDetailId = create.AppInstall.AppDetailId
 				req.Params = create.AppInstall.Params
 				req.Params["IMAGE_NAME"] = runtime.Image