diff --git a/routers/repo/modelarts.go b/routers/repo/modelarts.go
index 188bd5c6c..b5afa4713 100755
--- a/routers/repo/modelarts.go
+++ b/routers/repo/modelarts.go
@@ -1220,7 +1220,13 @@ func getUserCommand(engineId int, req *modelarts.GenerateTrainJobReq) (string, s
 	userImageUrl := ""
 	userCommand := ""
 	if engineId < 0 {
-		userCommand = "/bin/bash /home/work/run_train.sh 's3://" + req.CodeObsPath + "' 'code/" + req.BootFile + "' '/tmp/log/train.log' --'data_url'='s3://" + req.DataUrl + "' --'train_url'='s3://" + req.TrainUrl + "'"
+		tmpCodeObsPath := strings.Trim(req.CodeObsPath, "/")
+		tmpCodeObsPaths := strings.Split(tmpCodeObsPath, "/")
+		lastCodeDir := "code"
+		if len(tmpCodeObsPaths) > 0 {
+			lastCodeDir = tmpCodeObsPaths[len(tmpCodeObsPaths)-1]
+		}
+		userCommand = "/bin/bash /home/work/run_train.sh 's3://" + req.CodeObsPath + "' '" + lastCodeDir + "/" + req.BootFile + "' '/tmp/log/train.log' --'data_url'='s3://" + req.DataUrl + "' --'train_url'='s3://" + req.TrainUrl + "'"
 		var versionInfos modelarts.VersionInfo
 		if err := json.Unmarshal([]byte(setting.EngineVersions), &versionInfos); err != nil {
 			log.Info("json parse err." + err.Error())