diff --git a/routers/repo/grampus.go b/routers/repo/grampus.go
index e16d39a00..aa3b7ef78 100755
--- a/routers/repo/grampus.go
+++ b/routers/repo/grampus.go
@@ -938,7 +938,11 @@ func GrampusGetLog(ctx *context.Context) {
 	content, err := grampus.GetTrainJobLog(job.JobID)
 	if err != nil {
 		log.Error("GetTrainJobLog failed: %v", err, ctx.Data["MsgID"])
-		ctx.ServerError(err.Error(), err)
+		ctx.JSON(http.StatusOK, map[string]interface{}{
+			"JobName":        job.JobName,
+			"Content":        "",
+			"CanLogDownload": false,
+		})
 		return
 	}
 	canLogDownload := err == nil && job.IsUserHasRight(ctx.User)