diff --git a/services/ai_task_service/cluster/c2net.go b/services/ai_task_service/cluster/c2net.go
index c4670fa557..3ac0679a1d 100644
--- a/services/ai_task_service/cluster/c2net.go
+++ b/services/ai_task_service/cluster/c2net.go
@@ -738,9 +738,7 @@ func (c C2NetClusterAdapter) GetLog(opts entity.ClusterLogOpts) (*entity.Cluster
 }
 
 func getOnlineInferenceLog(opts entity.ClusterLogOpts) string {
-
 	helper := storage_helper.SelectUploaderFromStorageType(entity.MINIO)
-
 	//查找日志文件
 	files := getLogFilesInStorage(helper, helper.GetJobDefaultObjectKeyPrefix(opts.JobName)+"/model", ".txt")
 	if len(files) == 0 {
@@ -750,16 +748,11 @@ func getOnlineInferenceLog(opts entity.ClusterLogOpts) string {
 	}
 	//默认选择第一个文件
 	file := files[0]
-	if opts.Direction == "" {
-		opts.Direction = entity.UP
-	}
+	opts.Direction = entity.UP
 	//计算开始行和结束行
-	startLine, endLine := findStartAndEnd(opts, file.RelativePath, helper)
-	if opts.Lines == -1 {
-		startLine = 1
-	}
+	_, endLine := findStartAndEnd(opts, file.RelativePath, helper)
 	//获取日志内容
-	result, _, _ := getLogInStorage(startLine, endLine, helper, file.RelativePath)
+	result, _, _ := getLogInStorage(1, endLine, helper, file.RelativePath)
 
 	return result
 }
@@ -783,7 +776,6 @@ func (c C2NetClusterAdapter) GetLogDownloadInfo(opts entity.ClusterLogDownloadIn
 		JobId:         opts.JobId,
 		NodeId:        opts.NodeId,
 		WorkServerNum: opts.WorkServerNum,
-		Lines:         -1,
 	})
 	if err != nil {
 		log.Error("error occurs when attempting to get log content.opts=%+v err=%v", opts, err)