diff --git a/routers/repo/cloudbrain.go b/routers/repo/cloudbrain.go
index 1a46bcbe0..000b6c83c 100755
--- a/routers/repo/cloudbrain.go
+++ b/routers/repo/cloudbrain.go
@@ -253,15 +253,8 @@ func CloudBrainRestart(ctx *context.Context) {
 	var errorMsg = ""
 	var status = ""
 
+	task := ctx.Cloudbrain
 	for {
-		task, err := models.GetCloudbrainByJobID(jobID)
-		if err != nil {
-			log.Error("GetCloudbrainByJobID(%s) failed:%v", jobID, err.Error(), ctx.Data["MsgID"])
-			resultCode = "-1"
-			errorMsg = "system error"
-			break
-		}
-
 		if task.Status != string(models.JobStopped) && task.Status != string(models.JobSucceeded) && task.Status != string(models.JobFailed) {
 			log.Error("the job(%s) is not stopped", task.JobName, ctx.Data["MsgID"])
 			resultCode = "-1"
@@ -374,29 +367,14 @@ func CloudBrainDebug(ctx *context.Context) {
 }
 
 func CloudBrainCommitImage(ctx *context.Context, form auth.CommitImageCloudBrainForm) {
-	var jobID = ctx.Params(":jobid")
-	if !ctx.IsSigned {
-		log.Error("the user has not signed in")
-		ctx.Error(http.StatusForbidden, "", "the user has not signed in")
-		return
-	}
-	task, err := models.GetCloudbrainByJobID(jobID)
-	if err != nil {
-		ctx.JSON(200, map[string]string{
-			"result_code": "-1",
-			"error_msg":   "GetCloudbrainByJobID failed",
-		})
-		return
-	}
-
-	err = cloudbrain.CommitImage(jobID, models.CommitImageParams{
-		Ip:               task.ContainerIp,
-		TaskContainerId:  task.ContainerID,
+	err := cloudbrain.CommitImage(ctx.Cloudbrain.JobID, models.CommitImageParams{
+		Ip:               ctx.Cloudbrain.ContainerIp,
+		TaskContainerId:  ctx.Cloudbrain.ContainerID,
 		ImageDescription: form.Description,
 		ImageTag:         form.Tag,
 	})
 	if err != nil {
-		log.Error("CommitImage(%s) failed:%v", task.JobName, err.Error(), ctx.Data["msgID"])
+		log.Error("CommitImage(%s) failed:%v", ctx.Cloudbrain.JobName, err.Error(), ctx.Data["msgID"])
 		ctx.JSON(200, map[string]string{
 			"result_code": "-1",
 			"error_msg":   "CommitImage failed",
@@ -416,15 +394,8 @@ func CloudBrainStop(ctx *context.Context) {
 	var errorMsg = ""
 	var status = ""
 
+	task := ctx.Cloudbrain
 	for {
-		task, err := models.GetCloudbrainByJobID(jobID)
-		if err != nil {
-			log.Error("GetCloudbrainByJobID(%s) failed:%v", task.JobName, err, ctx.Data["msgID"])
-			resultCode = "-1"
-			errorMsg = "system error"
-			break
-		}
-
 		if task.Status == string(models.JobStopped) || task.Status == string(models.JobFailed) {
 			log.Error("the job(%s) has been stopped", task.JobName, ctx.Data["msgID"])
 			resultCode = "-1"
@@ -432,7 +403,7 @@ func CloudBrainStop(ctx *context.Context) {
 			break
 		}
 
-		err = cloudbrain.StopJob(jobID)
+		err := cloudbrain.StopJob(jobID)
 		if err != nil {
 			log.Error("StopJob(%s) failed:%v", task.JobName, err, ctx.Data["msgID"])
 			resultCode = "-1"
@@ -542,12 +513,7 @@ func logErrorAndUpdateJobStatus(err error, taskInfo *models.Cloudbrain) {
 }
 
 func CloudBrainDel(ctx *context.Context) {
-	var jobID = ctx.Params(":jobid")
-	task, err := models.GetCloudbrainByJobID(jobID)
-	if err != nil {
-		ctx.ServerError("GetCloudbrainByJobID failed", err)
-		return
-	}
+	task := ctx.Cloudbrain
 
 	if task.Status != string(models.JobStopped) && task.Status != string(models.JobFailed) {
 		log.Error("the job(%s) has not been stopped", task.JobName, ctx.Data["msgID"])
@@ -555,7 +521,7 @@ func CloudBrainDel(ctx *context.Context) {
 		return
 	}
 
-	err = models.DeleteJob(task)
+	err := models.DeleteJob(task)
 	if err != nil {
 		ctx.ServerError("DeleteJob failed", err)
 		return