diff --git a/routers/api/v1/repo/cloudbrain.go b/routers/api/v1/repo/cloudbrain.go
index 33d8d89c0..fb20b6c7b 100755
--- a/routers/api/v1/repo/cloudbrain.go
+++ b/routers/api/v1/repo/cloudbrain.go
@@ -8,6 +8,7 @@ package repo
 import (
 	"bufio"
 	"encoding/json"
+	"fmt"
 	"io"
 	"net/http"
 	"os"
@@ -413,41 +414,37 @@ func CloudbrainGetLog(ctx *context.Context) {
 	}
 	lines := ctx.QueryInt("lines")
 	baseLine := ctx.Query("base_line")
+	var result map[string]interface{}
 	if baseLine == "" {
-		re := getLastLogFromModelDir(job.JobName, lines)
-		ctx.JSON(http.StatusOK, re)
-		return
-	}
-
-	startLine := ctx.QueryInt("base_line")
-	endLine := startLine + lines
-	order := ctx.Query("order")
-	if order == "asc" {
-		endLine = startLine
-		startLine = endLine - lines
-		if startLine < 0 {
-			startLine = 0
+		result = getLastLogFromModelDir(job.JobName, lines)
+	} else {
+		startLine := ctx.QueryInt("base_line")
+		endLine := startLine + lines
+		order := ctx.Query("order")
+		if order == "asc" {
+			endLine = startLine
+			startLine = endLine - lines
+			if startLine < 0 {
+				startLine = 0
+			}
+		}
+		result = getLogFromModelDir(job.JobName, startLine, endLine)
+		if result == nil {
+			log.Error("GetJobLog failed: %v", err, ctx.Data["MsgID"])
+			ctx.ServerError(err.Error(), err)
+			return
 		}
 	}
-
-	result := getLogFromModelDir(job.JobName, startLine, endLine)
-	if result == nil {
-		log.Error("GetJobLog failed: %v", err, ctx.Data["MsgID"])
-		ctx.ServerError(err.Error(), err)
-		return
-	}
-
 	re := map[string]interface{}{
 		"JobID":          ID,
 		"LogFileName":    result["FileName"],
-		"StartLine":      startLine,
-		"EndLine":        result["endLine"],
+		"StartLine":      result["StartLine"],
+		"EndLine":        result["EndLine"],
 		"Content":        result["Content"],
-		"Lines":          result["lines"],
+		"Lines":          result["Lines"],
 		"CanLogDownload": result["FileName"] != "",
 	}
 	//result := CloudbrainGetLogByJobId(job.JobID, job.JobName)
-
 	ctx.JSON(http.StatusOK, re)
 }
 
@@ -487,12 +484,13 @@ func getLastLogFromModelDir(jobName string, lines int) map[string]interface{} {
 	fileName := ""
 	count := 0
 	allLines := 0
+	startLine := 0
 	for _, file := range files {
 		if strings.HasSuffix(file.FileName, "log.txt") {
 			fileName = file.FileName
 			path := storage.GetMinioPath(jobName+"/model/", file.FileName)
 			allLines = getAllLineFromFile(path)
-			startLine := allLines - 50
+			startLine = allLines - lines
 			if startLine < 0 {
 				startLine = 0
 			}
@@ -504,7 +502,6 @@ func getLastLogFromModelDir(jobName string, lines int) map[string]interface{} {
 				r := bufio.NewReader(reader)
 				for i := 0; i < allLines; i++ {
 					line, error := r.ReadString('\n')
-					log.Info("line=" + line)
 					if error == io.EOF {
 						log.Info("read file completed.")
 						break
@@ -515,6 +512,7 @@ func getLastLogFromModelDir(jobName string, lines int) map[string]interface{} {
 					}
 					if error == nil {
 						if i >= startLine {
+							log.Info("i=" + fmt.Sprint(i))
 							re = re + line
 						}
 					}
@@ -527,11 +525,12 @@ func getLastLogFromModelDir(jobName string, lines int) map[string]interface{} {
 	}
 
 	return map[string]interface{}{
-		"JobName":  jobName,
-		"Content":  re,
-		"FileName": fileName,
-		"lines":    count,
-		"endLine":  allLines,
+		"JobName":   jobName,
+		"Content":   re,
+		"FileName":  fileName,
+		"Lines":     count,
+		"EndLine":   allLines,
+		"StartLine": startLine,
 	}
 }
 
@@ -583,11 +582,12 @@ func getLogFromModelDir(jobName string, startLine int, endLine int) map[string]i
 	}
 
 	return map[string]interface{}{
-		"JobName":  jobName,
-		"Content":  re,
-		"FileName": fileName,
-		"lines":    count,
-		"endLine":  fileEndLine,
+		"JobName":   jobName,
+		"Content":   re,
+		"FileName":  fileName,
+		"Lines":     count,
+		"EndLine":   fileEndLine,
+		"StartLine": startLine,
 	}
 }