diff --git a/routers/api/v1/repo/modelarts.go b/routers/api/v1/repo/modelarts.go
index 568464f77..80ff57a56 100755
--- a/routers/api/v1/repo/modelarts.go
+++ b/routers/api/v1/repo/modelarts.go
@@ -322,31 +322,6 @@ func ModelList(ctx *context.APIContext) {
 	})
 }
 
-func ModelDownload1(ctx *context.APIContext) {
-	var (
-		err error
-	)
-
-	var jobID = ctx.Params(":jobid")
-	versionName := ctx.Query("version_name")
-	parentDir := ctx.Query("parent_dir")
-	fileName := ctx.Query("file_name")
-	task, err := models.GetCloudbrainByJobIDAndVersionName(jobID, versionName)
-	if err != nil {
-		log.Error("GetCloudbrainByJobID(%s) failed:%v", task.JobName, err.Error())
-		return
-	}
-	VersionOutputPath := modelarts.GetVersionOutputPathByTotalVersionCount(task.TotalVersionCount)
-	parentDir = VersionOutputPath + "/" + parentDir
-	url, err := storage.GetObsCreateSignedUrl(task.JobName, parentDir, fileName)
-	if err != nil {
-		log.Error("GetObsCreateSignedUrl failed: %v", err.Error(), ctx.Data["msgID"])
-		ctx.ServerError("GetObsCreateSignedUrl", err)
-		return
-	}
-	http.Redirect(ctx.Resp, ctx.Req.Request, url, http.StatusMovedPermanently)
-}
-
 func ModelDownload(ctx *context.Context) {
 	var (
 		err error