diff --git a/routers/api/v1/repo/cloudbrain.go b/routers/api/v1/repo/cloudbrain.go
index 4a982f799..805443788 100755
--- a/routers/api/v1/repo/cloudbrain.go
+++ b/routers/api/v1/repo/cloudbrain.go
@@ -9,6 +9,7 @@ import (
 	"bufio"
 	"encoding/json"
 	"io"
+	"io/ioutil"
 	"net/http"
 	"os"
 	"path"
@@ -647,6 +648,19 @@ func CloudbrainDownloadLogFile(ctx *context.Context) {
 		}
 	}
 
+	existStr := ""
+	if job.JobType == string(models.JobTypeTrain) || job.JobType == string(models.JobTypeInference) {
+		if job.Type == models.TypeCloudBrainOne {
+			result, err := cloudbrain.GetJob(job.JobID)
+			if err == nil && result != nil {
+				jobRes, _ := models.ConvertToJobResultPayload(result.Payload)
+				taskRoles := jobRes.TaskRoles
+				taskRes, _ := models.ConvertToTaskPod(taskRoles[cloudbrain.SubTaskName].(map[string]interface{}))
+				existStr = taskRes.TaskStatuses[0].ExitDiagnostics
+			}
+		}
+	}
+
 	logDir := "/model"
 	if job.JobType == string(models.JobTypeInference) || job.JobType == string(models.JobTypeModelSafety) {
 		logDir = cloudbrain.ResultPath
@@ -664,17 +678,30 @@ func CloudbrainDownloadLogFile(ctx *context.Context) {
 		}
 	}
 	if fileName != "" {
-		prefix := "/" + setting.CBCodePathPrefix + job.JobName + logDir
-		url, err := storage.Attachments.PresignedGetURL(prefix+"/"+fileName, fileName)
+		prefix := "/" + setting.CBCodePathPrefix + job.JobName + "/model"
+		filePath := setting.Attachment.Minio.RealPath + setting.Attachment.Minio.Bucket + prefix + "/" + fileName
+		// Read the file contents into a byte slice
+		data, err := ioutil.ReadFile(filePath)
 		if err != nil {
-			log.Error("Get minio get SignedUrl failed: %v", err.Error(), ctx.Data["msgID"])
+			ctx.ServerError("ReadFile", err)
+			return
+		}
+
+		// Set the appropriate response headers
+		ctx.Resp.Header().Set("Content-Type", "application/octet-stream")
+		ctx.Resp.Header().Set("Content-Disposition", "attachment; filename="+fileName)
+
+		// Write the file contents to the response
+		if _, err := ctx.Resp.Write(data); err != nil {
+			ctx.ServerError("Write", err)
+			return
+		}
+		if _, err := ctx.Resp.Write([]byte(existStr)); err != nil {
+			log.Error("Write failed: %v", err.Error(), ctx.Data["msgID"])
 			return
 		}
-		log.Info("fileName=" + fileName)
-		http.Redirect(ctx.Resp, ctx.Req.Request, url, http.StatusTemporaryRedirect)
 	} else {
 		log.Info("fileName is null.")
-
 	}
 }
 
@@ -760,8 +787,28 @@ func CloudbrainGetLog(ctx *context.APIContext) {
 		content = result["Content"].(string)
 	}
 
-	if ctx.Data["existStr"] != nil && result["Lines"].(int) < 50 {
-		content = content + ctx.Data["existStr"].(string)
+	if (job.JobType == string(models.JobTypeTrain) || job.JobType == string(models.JobTypeInference)) && job.Type == models.TypeCloudBrainOne && job.Status == string(models.JobFailed) {
+		if ctx.Data["existStr"] != nil {
+			if baseLine == "" && order == "desc" && result["Lines"].(int) == 0 {
+				result["Lines"] = 1
+				result["EndLine"] = 1
+				content = content + ctx.Data["existStr"].(string)
+			}
+
+			if result["Lines"].(int) == 0 && result["StartLine"] == result["EndLine"] && result["StartLine"].(int) != 0 {
+				content = content + ctx.Data["existStr"].(string)
+				result["Lines"] = 1
+				result["StartLine"] = result["StartLine"].(int) - 1
+			}
+			if result["Lines"].(int) == 1 && result["StartLine"] == result["EndLine"] {
+				result["Lines"] = 0
+				result["StartLine"] = result["StartLine"].(int) + 1
+			}
+		}
+	} else {
+		if ctx.Data["existStr"] != nil && result["Lines"].(int) < 50 {
+			content = content + ctx.Data["existStr"].(string)
+		}
 	}
 
 	logFileName := result["FileName"]