diff --git a/routers/api/v1/repo/cloudbrain.go b/routers/api/v1/repo/cloudbrain.go
index 942416048..c618e31b4 100755
--- a/routers/api/v1/repo/cloudbrain.go
+++ b/routers/api/v1/repo/cloudbrain.go
@@ -428,8 +428,7 @@ func CloudbrainDownloadLogFile(ctx *context.Context) {
 	if job.JobType == string(models.JobTypeInference) {
 		logDir = cloudbrain.ResultPath
 	}
-	prefix := "/" + setting.CBCodePathPrefix + job.JobName + logDir
-	files, err := storage.GetOneLevelAllObjectUnderDirMinio(setting.Attachment.Minio.Bucket, prefix, "")
+	files, err := storage.GetOneLevelAllObjectUnderDirMinio(setting.Attachment.Minio.Bucket, setting.CBCodePathPrefix+job.JobName+logDir, "")
 	if err != nil {
 		log.Error("query cloudbrain model failed: %v", err)
 		return
@@ -442,6 +441,7 @@ func CloudbrainDownloadLogFile(ctx *context.Context) {
 		}
 	}
 	if fileName != "" {
+		prefix := "/" + setting.CBCodePathPrefix + job.JobName + logDir
 		url, err := storage.Attachments.PresignedGetURL(prefix+"/"+fileName, fileName)
 		if err != nil {
 			log.Error("Get minio get SignedUrl failed: %v", err.Error(), ctx.Data["msgID"])