diff --git a/routers/api/v1/repo/cloudbrain.go b/routers/api/v1/repo/cloudbrain.go
index 5fbaaa03b..8c638d6b5 100755
--- a/routers/api/v1/repo/cloudbrain.go
+++ b/routers/api/v1/repo/cloudbrain.go
@@ -8,7 +8,6 @@ package repo
 import (
 	"bufio"
 	"encoding/json"
-	"fmt"
 	"io"
 	"net/http"
 	"os"
@@ -422,7 +421,7 @@ func CloudbrainGetLog(ctx *context.Context) {
 		startLine := ctx.QueryInt("base_line")
 		endLine := startLine + lines
 
-		if order == "asc" {
+		if order == "asc" && (startLine-lines) > 0 {
 			endLine = startLine
 			startLine = endLine - lines
 			if startLine < 0 {
@@ -513,7 +512,6 @@ func getLastLogFromModelDir(jobName string, lines int) map[string]interface{} {
 					}
 					if error == nil {
 						if i >= startLine {
-							log.Info("i=" + fmt.Sprint(i))
 							re = re + line
 						}
 					}