diff --git a/modules/storage/obs.go b/modules/storage/obs.go
index 3a7277c41..56794fd96 100755
--- a/modules/storage/obs.go
+++ b/modules/storage/obs.go
@@ -394,6 +394,27 @@ func GetObsCreateSignedUrl(jobName, parentDir, fileName string) (string, error)
 	return output.SignedUrl, nil
 }
 
+func GetObsCreateVersionSignedUrl(jobName, parentDir, fileName string, VersionOutputPath string) (string, error) {
+	input := &obs.CreateSignedUrlInput{}
+	input.Bucket = setting.Bucket
+	input.Key = strings.TrimPrefix(path.Join(setting.TrainJobModelPath, jobName, setting.OutPutPath, VersionOutputPath, parentDir, fileName), "/")
+
+	input.Expires = 60 * 60
+	input.Method = obs.HttpMethodGet
+
+	reqParams := make(map[string]string)
+	fileName = url.QueryEscape(fileName)
+	reqParams["response-content-disposition"] = "attachment; filename=\"" + fileName + "\""
+	input.QueryParams = reqParams
+	output, err := ObsCli.CreateSignedUrl(input)
+	if err != nil {
+		log.Error("CreateSignedUrl failed:", err.Error())
+		return "", err
+	}
+
+	return output.SignedUrl, nil
+}
+
 func ObsGetPreSignedUrl(uuid, fileName string) (string, error) {
 	input := &obs.CreateSignedUrlInput{}
 	input.Method = obs.HttpMethodGet
diff --git a/routers/api/v1/repo/modelarts.go b/routers/api/v1/repo/modelarts.go
index d8824b19e..ba4015d3b 100755
--- a/routers/api/v1/repo/modelarts.go
+++ b/routers/api/v1/repo/modelarts.go
@@ -339,18 +339,18 @@ func ModelDownload(ctx *context.APIContext) {
 		err error
 	)
 
-	// var jobID = ctx.Params(":jobid")
-	// var versionName = ctx.Query("version_name")
-	// parentDir := ctx.Query("parentDir")
-	// task, err := models.GetCloudbrainByJobIDAndVersionName(jobID, versionName)
-	// if err != nil {
-	// 	log.Error("GetCloudbrainByJobID(%s) failed:%v", task.JobName, err.Error())
-	// 	return
-	// }
-	parentDir := ctx.Query("parentDir")
-	fileName := ctx.Query("fileName")
-	jobName := ctx.Query("jobName")
-	url, err := storage.GetObsCreateSignedUrl(jobName, parentDir, fileName)
+	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 := "V" + strconv.Itoa(task.TotalVersionCount)
+
+	url, err := storage.GetObsCreateVersionSignedUrl(task.JobName, parentDir, fileName, VersionOutputPath)
 	if err != nil {
 		log.Error("GetObsCreateSignedUrl failed: %v", err.Error(), ctx.Data["msgID"])
 		ctx.ServerError("GetObsCreateSignedUrl", err)