diff --git a/routers/api/v1/repo/cloudbrain.go b/routers/api/v1/repo/cloudbrain.go
index d127f27ed..33d8d89c0 100755
--- a/routers/api/v1/repo/cloudbrain.go
+++ b/routers/api/v1/repo/cloudbrain.go
@@ -492,17 +492,17 @@ func getLastLogFromModelDir(jobName string, lines int) map[string]interface{} {
 			fileName = file.FileName
 			path := storage.GetMinioPath(jobName+"/model/", file.FileName)
 			allLines = getAllLineFromFile(path)
-			start := allLines - 50
-			if start < 0 {
-				start = 0
+			startLine := allLines - 50
+			if startLine < 0 {
+				startLine = 0
 			}
-			count = allLines - start
+			count = allLines - startLine
 			log.Info("path=" + path)
 			reader, err := os.Open(path)
 			defer reader.Close()
 			if err == nil {
 				r := bufio.NewReader(reader)
-				for i := start; i < allLines; i++ {
+				for i := 0; i < allLines; i++ {
 					line, error := r.ReadString('\n')
 					log.Info("line=" + line)
 					if error == io.EOF {
@@ -514,7 +514,9 @@ func getLastLogFromModelDir(jobName string, lines int) map[string]interface{} {
 						break
 					}
 					if error == nil {
-						re = re + line
+						if i >= startLine {
+							re = re + line
+						}
 					}
 				}
 			} else {