diff --git a/routers/repo/attachment.go b/routers/repo/attachment.go
index 03c2e845e..f45b5c935 100755
--- a/routers/repo/attachment.go
+++ b/routers/repo/attachment.go
@@ -312,7 +312,8 @@ func GetAttachment(ctx *context.Context) {
 				url = setting.PROXYURL + "/obs_proxy_download?uuid=" + attach.UUID + "&file_name=" + attach.Name
 				log.Info("return url=" + url)
 			} else {
-				url, err = storage.ObsGetPreSignedUrl(attach.UUID, attach.Name)
+				objectName := strings.TrimPrefix(path.Join(setting.BasePath, path.Join(attach.UUID[0:1], attach.UUID[1:2], attach.UUID, attach.Name)), "/")
+				url, err = storage.ObsGetPreSignedUrl(objectName, attach.Name)
 				if err != nil {
 					ctx.ServerError("ObsGetPreSignedUrl", err)
 					return
@@ -684,9 +685,9 @@ func GetSuccessChunks(ctx *context.Context) {
 	}
 }
 
-func getMinioInitObjectName(scene string, uuid string, filename string) string {
+func getMinioInitObjectName(scene string, uuid, modeluuid string, filename string) string {
 	if scene == Attachment_model {
-		return strings.TrimPrefix(path.Join(Model_prefix, path.Join(uuid[0:1], uuid[1:2], uuid, filename)), "/")
+		return strings.TrimPrefix(path.Join(Model_prefix, path.Join(modeluuid[0:1], modeluuid[1:2], modeluuid, filename)), "/")
 	} else {
 		return strings.TrimPrefix(path.Join(setting.Attachment.Minio.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid)), "/")
 	}
@@ -700,9 +701,9 @@ func getChunkMinioExistObjectName(scene string, fileChunk *models.FileChunk, fil
 	}
 }
 
-func getOBSInitObjectName(scene string, uuid string, filename string) string {
+func getOBSInitObjectName(scene string, uuid, modeluuid string, filename string) string {
 	if scene == Attachment_model {
-		return strings.TrimPrefix(path.Join(Model_prefix, path.Join(uuid[0:1], uuid[1:2], uuid, filename)), "/")
+		return strings.TrimPrefix(path.Join(Model_prefix, path.Join(modeluuid[0:1], modeluuid[1:2], modeluuid, filename)), "/")
 	} else {
 		return strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid, filename)), "/")
 	}
@@ -752,20 +753,21 @@ func NewMultipart(ctx *context.Context) {
 		}
 
 		uuid := gouuid.NewV4().String()
+		modeluuid := ""
 		if scene == Attachment_model {
-			uuid = ctx.Query("uuid")
+			modeluuid = ctx.Query("modeluuid")
 		}
 		var uploadID string
 		var objectName string
 		if typeCloudBrain == models.TypeCloudBrainOne {
-			objectName = getMinioInitObjectName(scene, uuid, fileName)
+			objectName = getMinioInitObjectName(scene, uuid, modeluuid, fileName)
 			uploadID, err = storage.NewMultiPartUpload(objectName)
 			if err != nil {
 				ctx.ServerError("NewMultipart", err)
 				return
 			}
 		} else {
-			objectName = getOBSInitObjectName(scene, uuid, fileName)
+			objectName = getOBSInitObjectName(scene, uuid, modeluuid, fileName)
 			uploadID, err = storage.NewObsMultiPartUpload(objectName)
 			if err != nil {
 				ctx.ServerError("NewObsMultiPartUpload", err)
@@ -811,8 +813,8 @@ func PutOBSProxyUpload(ctx *context.Context) {
 		ctx.Error(500, fmt.Sprintf("FormFile: %v", RequestBody))
 		return
 	}
-
-	err := storage.ObsMultiPartUpload(uuid, uploadID, partNumber, fileName, RequestBody.ReadCloser())
+	objectName := strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid, fileName)), "/")
+	err := storage.ObsMultiPartUpload(objectName, uploadID, partNumber, fileName, RequestBody.ReadCloser())
 	if err != nil {
 		log.Info("upload error.")
 	}
@@ -821,8 +823,8 @@ func PutOBSProxyUpload(ctx *context.Context) {
 func GetOBSProxyDownload(ctx *context.Context) {
 	uuid := ctx.Query("uuid")
 	fileName := ctx.Query("file_name")
-
-	body, err := storage.ObsDownload(uuid, fileName)
+	objectName := strings.TrimPrefix(path.Join(setting.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid, fileName)), "/")
+	body, err := storage.ObsDownloadAFile(setting.Bucket, objectName)
 	if err != nil {
 		log.Info("upload error.")
 	} else {