diff --git a/modules/modelarts/modelarts.go b/modules/modelarts/modelarts.go
index 775b345ad..844f37ffb 100755
--- a/modules/modelarts/modelarts.go
+++ b/modules/modelarts/modelarts.go
@@ -22,7 +22,7 @@ const (
 )
 
 func GenerateTask(ctx *context.Context, jobName, uuid, description string) error {
-	dataActualPath := setting.Bucket + "/" + setting.BasePath + path.Join(uuid[0:1], uuid[1:2]) + "/"
+	dataActualPath := setting.Bucket + "/" + setting.BasePath + path.Join(uuid[0:1], uuid[1:2]) + "/" + uuid + "/"
 	jobResult, err := CreateJob(models.CreateNotebookParams{
 		JobName:    jobName,
 		Description:description,
diff --git a/modules/storage/obs.go b/modules/storage/obs.go
index bf8fac54c..d174b8fba 100755
--- a/modules/storage/obs.go
+++ b/modules/storage/obs.go
@@ -37,7 +37,7 @@ func ObsHasObject(path string) (bool, error) {
 }
 
 func GetObsPartInfos(uuid string, uploadID string) (string, error) {
-	key := strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid)), "/")
+	key := strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid, uuid)), "/")
 
 	output, err := ObsCli.ListParts(&obs.ListPartsInput{
 		Bucket:		setting.Bucket,
@@ -60,7 +60,7 @@ func GetObsPartInfos(uuid string, uploadID string) (string, error) {
 func NewObsMultiPartUpload(uuid string) (string, error) {
 	input := &obs.InitiateMultipartUploadInput{}
 	input.Bucket = setting.Bucket
-	input.Key = strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid)), "/")
+	input.Key = strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid, uuid)), "/")
 
 	output, err := ObsCli.InitiateMultipartUpload(input)
 	if err != nil {
@@ -74,7 +74,7 @@ func NewObsMultiPartUpload(uuid string) (string, error) {
 func CompleteObsMultiPartUpload(uuid string, uploadID string) error {
 	input := &obs.CompleteMultipartUploadInput{}
 	input.Bucket = setting.Bucket
-	input.Key = strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid)), "/")
+	input.Key = strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid, uuid)), "/")
 	input.UploadId = uploadID
 	output, err := ObsCli.ListParts(&obs.ListPartsInput{
 		Bucket:		setting.Bucket,
@@ -105,7 +105,7 @@ func CompleteObsMultiPartUpload(uuid string, uploadID string) error {
 func ObsUploadPart(uuid string, uploadId string, partNumber int, partSize int64, body io.Reader) (string, error) {
 	input := &obs.UploadPartInput{}
 	input.PartNumber = partNumber
-	input.Key = strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid)), "/")
+	input.Key = strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid, uuid)), "/")
 	input.UploadId = uploadId
 	input.Bucket = setting.Bucket
 	input.PartSize = partSize
@@ -141,7 +141,7 @@ func ObsGenMultiPartSignedUrl(uuid string, uploadId string, partNumber int, part
 
 	 */
 
-	Key := strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid)), "/")
+	Key := strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid, uuid)), "/")
 	req, err := ObsCli.CreateUploadPartSignedUrl(setting.Bucket, Key, uploadId, partNumber, partSize)
 	if err != nil {
 		log.Error("CreateSignedUrl failed:", err.Error())
@@ -158,7 +158,7 @@ func ObsGenMultiPartSignedUrl(uuid string, uploadId string, partNumber int, part
 func ObsGetPreSignedUrl(uuid, fileName string) (string, error) {
 	input := &obs.CreateSignedUrlInput{}
 	input.Method = obs.HttpMethodGet
-	input.Key = strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid)), "/")
+	input.Key = strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid, uuid)), "/")
 	input.Bucket = setting.Bucket
 	input.Expires = 60 * 60
 	
diff --git a/routers/repo/attachment.go b/routers/repo/attachment.go
index ecfc8c407..6874a1eda 100755
--- a/routers/repo/attachment.go
+++ b/routers/repo/attachment.go
@@ -309,7 +309,7 @@ func AddAttachment(ctx *context.Context) {
 			return
 		}
 	} else {
-		has, err = storage.ObsHasObject(setting.BasePath + models.AttachmentRelativePath(uuid))
+		has, err = storage.ObsHasObject(setting.BasePath + models.AttachmentRelativePath(uuid) + "/" + uuid)
 		if err != nil {
 			ctx.ServerError("ObsHasObject", err)
 			return
@@ -621,7 +621,7 @@ func GetMultipartUploadUrl(ctx *context.Context) {
 
 func GetObsKey(ctx *context.Context) {
 	uuid := gouuid.NewV4().String()
-	key := strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid)), "/")
+	key := strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid, uuid)), "/")
 
 	ctx.JSON(200, map[string]string{
 		"uuid": uuid,