提交代码，解决Bug

Signed-off-by: zouap <zouap@pcl.ac.cn>

routers/repo/attachment_model.go

@@ -210,8 +210,10 @@ func copyModelAttachmentFile(typeCloudBrain int, fileChunk *models.ModelFileChun
 		}
 	} else {
 		bucketName := setting.Bucket
-		log.Info("obs copy..srcObjectName=" + srcObjectName + " bucketName=" + bucketName)
-		if storage.ObsGetFilesSize(bucketName, []string{destObjectName}) > 0 {
+		log.Info("obs copy..srcObjectName=" + srcObjectName + " bucketName=" + bucketName + " destObjectName=" + destObjectName)
+		size := storage.ObsGetFilesSize(bucketName, []string{destObjectName})
+		log.Info("size=" + fmt.Sprint(size))
+		if size > 0 {
 			isExist = true
 		} else {
 			log.Info("obs copy..srcObjectName=" + srcObjectName + " bucketName=" + bucketName)