diff --git a/web/job.go b/web/job.go
index 3a4752c..0659a32 100644
--- a/web/job.go
+++ b/web/job.go
@@ -78,7 +78,11 @@ func (j *Job) ChangeJobStatus(w http.ResponseWriter, r *http.Request) {
 }
 
 func (j *Job) UpdateJob(w http.ResponseWriter, r *http.Request) {
-	job := &models.Job{}
+	var job = &struct {
+		*models.Job
+		OldGroup string `json:"oldGroup"`
+	}{}
+
 	decoder := json.NewDecoder(r.Body)
 	err := decoder.Decode(&job)
 	if err != nil {
@@ -92,10 +96,16 @@ func (j *Job) UpdateJob(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	var deleteOldKey string
 	var successCode = http.StatusOK
 	if len(job.ID) == 0 {
 		successCode = http.StatusCreated
 		job.ID = models.NextID()
+	} else {
+		job.OldGroup = strings.TrimSpace(job.OldGroup)
+		if job.OldGroup != job.Group {
+			deleteOldKey = models.JobKey(job.OldGroup, job.ID)
+		}
 	}
 
 	b, err := json.Marshal(job)
@@ -110,6 +120,13 @@ func (j *Job) UpdateJob(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// remove old key
+	if len(deleteOldKey) > 0 {
+		if _, err = models.DefalutClient.Delete(deleteOldKey); err != nil {
+			log.Errorf("failed to remove old job key[%s], err: %s.", deleteOldKey, err.Error())
+		}
+	}
+
 	outJSONWithCode(w, successCode, nil)
 }
 
diff --git a/web/ui/src/components/JobEdit.vue b/web/ui/src/components/JobEdit.vue
index 93c2c86..d4389ff 100644
--- a/web/ui/src/components/JobEdit.vue
+++ b/web/ui/src/components/JobEdit.vue
@@ -59,7 +59,8 @@ export default {
         job: {
           id: '',
           name:  '',
-          group: 'default',
+          oldGroup: '',
+          group: '',
           user: '',
           cmd: '',
           pause: false,
@@ -121,6 +122,7 @@ export default {
       this.$rest.GET('job/'+this.$route.params.group+'-'+this.$route.params.id).
         onsucceed(200, (resp)=>{
           vm.job = resp;
+          vm.job.oldGroup = resp.group;
           if (vm.job.rules) {
             for (var i in vm.job.rules) {
               if (vm.job.rules[i].id.length == 0) {