diff --git a/routers/repo/grampus.go b/routers/repo/grampus.go
index a41f884d9..42d345530 100755
--- a/routers/repo/grampus.go
+++ b/routers/repo/grampus.go
@@ -66,7 +66,7 @@ func grampusTrainJobNewDataPrepare(ctx *context.Context, processType string) err
 	ctx.Data["PageIsCloudBrain"] = true
 
 	t := time.Now()
-	var displayJobName = cutString(ctx.User.Name, 5) + t.Format("2006010215") + strconv.Itoa(int(t.Unix()))[5:]
+	var displayJobName = jobNamePrefixValid(cutString(ctx.User.Name, 5)) + t.Format("2006010215") + strconv.Itoa(int(t.Unix()))[5:]
 	ctx.Data["display_job_name"] = displayJobName
 
 	//get valid images
diff --git a/routers/repo/modelarts.go b/routers/repo/modelarts.go
index fe65386cb..3b006f30a 100755
--- a/routers/repo/modelarts.go
+++ b/routers/repo/modelarts.go
@@ -688,7 +688,7 @@ func trainJobNewDataPrepare(ctx *context.Context) error {
 	//}
 
 	t := time.Now()
-	var displayJobName = cutString(ctx.User.Name, 5) + t.Format("2006010215") + strconv.Itoa(int(t.Unix()))[5:]
+	var displayJobName = jobNamePrefixValid(cutString(ctx.User.Name, 5)) + t.Format("2006010215") + strconv.Itoa(int(t.Unix()))[5:]
 	ctx.Data["display_job_name"] = displayJobName
 
 	attachs, err := models.GetModelArtsTrainAttachments(ctx.User.ID)
@@ -793,7 +793,7 @@ func trainJobErrorNewDataPrepare(ctx *context.Context, form auth.CreateModelArts
 	//}
 
 	t := time.Now()
-	var displayJobName = cutString(ctx.User.Name, 5) + t.Format("2006010215") + strconv.Itoa(int(t.Unix()))[5:]
+	var displayJobName = jobNamePrefixValid(cutString(ctx.User.Name, 5)) + t.Format("2006010215") + strconv.Itoa(int(t.Unix()))[5:]
 	ctx.Data["display_job_name"] = displayJobName
 
 	attachs, err := models.GetModelArtsTrainAttachments(ctx.User.ID)
@@ -976,7 +976,7 @@ func versionErrorDataPrepare(ctx *context.Context, form auth.CreateModelArtsTrai
 	}
 
 	t := time.Now()
-	var jobName = cutString(ctx.User.Name, 5) + t.Format("2006010215") + strconv.Itoa(int(t.Unix()))[5:]
+	var jobName = jobNamePrefixValid(cutString(ctx.User.Name, 5)) + t.Format("2006010215") + strconv.Itoa(int(t.Unix()))[5:]
 	ctx.Data["job_name"] = task.JobName
 
 	attachs, err := models.GetModelArtsTrainAttachments(ctx.User.ID)
@@ -2323,7 +2323,7 @@ func inferenceJobNewDataPrepare(ctx *context.Context) error {
 	ctx.Data["newInference"] = true
 
 	t := time.Now()
-	var displayJobName = cutString(ctx.User.Name, 5) + t.Format("2006010215") + strconv.Itoa(int(t.Unix()))[5:]
+	var displayJobName = jobNamePrefixValid(cutString(ctx.User.Name, 5)) + t.Format("2006010215") + strconv.Itoa(int(t.Unix()))[5:]
 	ctx.Data["display_job_name"] = displayJobName
 
 	attachs, err := models.GetModelArtsTrainAttachments(ctx.User.ID)
diff --git a/templates/repo/cloudbrain/benchmark/new.tmpl b/templates/repo/cloudbrain/benchmark/new.tmpl
index fb1296d27..e1b5c890e 100755
--- a/templates/repo/cloudbrain/benchmark/new.tmpl
+++ b/templates/repo/cloudbrain/benchmark/new.tmpl
@@ -69,8 +69,8 @@
                         <label class="label-fix-width" style="font-weight: normal;">{{.i18n.Tr "repo.modelarts.train_job.job_name"}}</label>
                         <input style="width: 80%;" name="display_job_name" id="trainjob_job_name"
                             placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}"
-                            tabindex="3" autofocus required maxlength="254">
-                        <span class="tooltips" style="display: block;margin-left:11.5rem;">{{.i18n.Tr "cloudbrain.job_name_rule"}}</span>
+                            tabindex="3" autofocus required maxlength="36">
+                        <span class="tooltips" style="display: block;margin-left:11.5rem;">{{.i18n.Tr "repo.cloudbrain_jobname_err"}}</span>
                     </div>
                     <div class="required min_title inline field">
                         <label class="label-fix-width" style="font-weight: normal;"
@@ -165,8 +165,8 @@
                         <label class="label-fix-width" style="font-weight: normal;">{{.i18n.Tr "repo.modelarts.train_job.job_name"}}</label>
                         <input style="width: 80%;" name="display_job_name" id="trainjob_job_name"
                             placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}"
-                            tabindex="3" autofocus required maxlength="254">
-                        <span class="tooltips" style="display: block;margin-left: 11.5rem;">{{.i18n.Tr "cloudbrain.job_name_rule"}}</span>
+                            tabindex="3" autofocus required maxlength="36">
+                        <span class="tooltips" style="display: block;margin-left: 11.5rem;">{{.i18n.Tr "repo.cloudbrain_jobname_err"}}</span>
                     </div>
                     <div class="min_title inline field">
                         <label class="label-fix-width" style="font-weight: normal;"
@@ -331,7 +331,7 @@
                         identifier: 'display_job_name',
                         rules: [
                             {
-                                type: 'regExp[/^[a-zA-Z0-9-_]{1,64}[a-zA-Z0-9_]$/]',
+                                type: 'regExp[/^[a-z0-9][a-z0-9-_]{1,34}[a-z0-9-]$/]',
                                 promt: ''
                             }
                         ]
diff --git a/templates/repo/cloudbrain/inference/new.tmpl b/templates/repo/cloudbrain/inference/new.tmpl
index 7d06c55ea..b27ea0558 100644
--- a/templates/repo/cloudbrain/inference/new.tmpl
+++ b/templates/repo/cloudbrain/inference/new.tmpl
@@ -94,8 +94,8 @@
                 </div>
                 <div class="required min_title inline field">
                     <label class="label-fix-width" style="font-weight: normal;">{{.i18n.Tr "repo.modelarts.train_job.job_name"}}</label>
-                    <input style="width: 60%;" name="display_job_name" id="display_job_name" placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}" onkeyup="this.value=this.value.replace(/[, ]/g,'')" tabindex="3" autofocus required maxlength="64">
-                    <span class="tooltips" style="margin-left:11.5rem;display: block;">{{.i18n.Tr "cloudbrain.job_name_rule"}}</span>
+                    <input style="width: 60%;" name="display_job_name" id="display_job_name" placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}" onkeyup="this.value=this.value.replace(/[, ]/g,'')" tabindex="3" autofocus required maxlength="36">
+                    <span class="tooltips" style="margin-left:11.5rem;display: block;">{{.i18n.Tr "repo.cloudbrain_jobname_err"}}</span>
                 </div>
 
                 <div class="unite min_title inline field">
@@ -444,7 +444,7 @@
                     identifier  : 'display_job_name',
                     rules: [
                     {
-                        type: 'regExp[/^[a-zA-Z0-9-_]{1,64}[a-zA-Z0-9_]$/]',
+                        type: 'regExp[/^[a-z0-9][a-z0-9-_]{1,34}[a-z0-9-]$/]',
                     }
                     ]
                 },
diff --git a/templates/repo/cloudbrain/trainjob/new.tmpl b/templates/repo/cloudbrain/trainjob/new.tmpl
index 0208398b5..c22287d03 100755
--- a/templates/repo/cloudbrain/trainjob/new.tmpl
+++ b/templates/repo/cloudbrain/trainjob/new.tmpl
@@ -132,8 +132,8 @@
                     <input style="width: 60%;" name="display_job_name" id="display_job_name"
                         placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}"
                         tabindex="3" onkeyup="this.value=this.value.replace(/[, ]/g,'')" autofocus required
-                        maxlength="64">
-                    <span class="tooltips" style="display: block;margin-left: 11.5rem;">{{.i18n.Tr "cloudbrain.job_name_rule"}}</span>
+                        maxlength="36">
+                    <span class="tooltips" style="display: block;margin-left: 11.5rem;">{{.i18n.Tr "repo.cloudbrain_jobname_err"}}</span>
                 </div>
 
                 <div class="inline min_title field">
@@ -441,7 +441,7 @@
                         identifier: 'display_job_name',
                         rules: [
                             {
-                                type: 'regExp[/^[a-zA-Z0-9-_]{1,64}[a-zA-Z0-9_]$/]',
+                                type: 'regExp[/^[a-z0-9][a-z0-9-_]{1,34}[a-z0-9-]$/]',
                             }
                         ]
                     },
diff --git a/templates/repo/grampus/trainjob/gpu/new.tmpl b/templates/repo/grampus/trainjob/gpu/new.tmpl
index 88e8ccd9d..ee0ceb84a 100755
--- a/templates/repo/grampus/trainjob/gpu/new.tmpl
+++ b/templates/repo/grampus/trainjob/gpu/new.tmpl
@@ -118,8 +118,8 @@
                 </div>
                 <div class="required min_title inline field">
                     <label class="label-fix-width" style="font-weight: normal;">{{.i18n.Tr "repo.modelarts.train_job.job_name"}}</label>
-                    <input style="width: 60%;" name="display_job_name" id="display_job_name" placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}" tabindex="3" onkeyup="this.value=this.value.replace(/[, ]/g,'')" autofocus required maxlength="64">
-                    <span class="tooltips" style="margin-left: 11.5rem;display: block;">{{.i18n.Tr "cloudbrain.job_name_rule"}}</span>
+                    <input style="width: 60%;" name="display_job_name" id="display_job_name" placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}" tabindex="3" onkeyup="this.value=this.value.replace(/[, ]/g,'')" autofocus required maxlength="36">
+                    <span class="tooltips" style="margin-left: 11.5rem;display: block;">{{.i18n.Tr "repo.cloudbrain_jobname_err"}}</span>
                 </div>
                 
                 <div class="min_title inline field">
@@ -387,7 +387,7 @@
                     identifier  : 'display_job_name',
                     rules: [
                     {
-                        type: 'regExp[/^[a-zA-Z0-9-_]{1,64}[a-zA-Z0-9_]$/]',
+                        type: 'regExp[/^[a-z0-9][a-z0-9-_]{1,34}[a-z0-9-]$/]',
                     }
                     ]
                 },
diff --git a/templates/repo/grampus/trainjob/npu/new.tmpl b/templates/repo/grampus/trainjob/npu/new.tmpl
index 56d9a0f30..0397d07f6 100755
--- a/templates/repo/grampus/trainjob/npu/new.tmpl
+++ b/templates/repo/grampus/trainjob/npu/new.tmpl
@@ -115,8 +115,8 @@
                 
                 <div class="required min_title inline field">
                     <label class="label-fix-width" style="font-weight: normal;">{{.i18n.Tr "repo.modelarts.train_job.job_name"}}</label>
-                    <input style="width: 60%;" name="display_job_name" id="display_job_name" placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}" tabindex="3" onkeyup="this.value=this.value.replace(/[, ]/g,'')" autofocus required maxlength="64">
-                    <span class="tooltips" style="display: block;margin-left: 11.5rem;">{{.i18n.Tr "cloudbrain.job_name_rule"}}</span>
+                    <input style="width: 60%;" name="display_job_name" id="display_job_name" placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}" tabindex="3" onkeyup="this.value=this.value.replace(/[, ]/g,'')" autofocus required maxlength="36">
+                    <span class="tooltips" style="display: block;margin-left: 11.5rem;">{{.i18n.Tr "repo.cloudbrain_jobname_err"}}</span>
                 </div>
 
                 <div class="min_title inline field">
@@ -416,7 +416,7 @@
                     identifier  : 'display_job_name',
                     rules: [
                     {
-                        type: 'regExp[/^[a-zA-Z0-9-_]{1,64}[a-zA-Z0-9_]$/]',
+                        type: 'regExp[/^[a-z0-9][a-z0-9-_]{1,34}[a-z0-9-]$/]',
                     }
                     ]
                 },
diff --git a/templates/repo/modelarts/inferencejob/new.tmpl b/templates/repo/modelarts/inferencejob/new.tmpl
index 358ec8cea..419981c58 100644
--- a/templates/repo/modelarts/inferencejob/new.tmpl
+++ b/templates/repo/modelarts/inferencejob/new.tmpl
@@ -94,8 +94,8 @@
                 </div>
                 <div class="required min_title inline field">
                     <label class="label-fix-width" style="font-weight: normal;">{{.i18n.Tr "repo.modelarts.train_job.job_name"}}</label>
-                    <input style="width: 60%;" name="display_job_name" id="display_job_name" placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}" onkeyup="this.value=this.value.replace(/[, ]/g,'')" tabindex="3" autofocus required maxlength="64">
-                    <span class="tooltips" style="margin-left:11.5rem;display: block;">{{.i18n.Tr "cloudbrain.job_name_rule"}}</span>
+                    <input style="width: 60%;" name="display_job_name" id="display_job_name" placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}" onkeyup="this.value=this.value.replace(/[, ]/g,'')" tabindex="3" autofocus required maxlength="36">
+                    <span class="tooltips" style="margin-left:11.5rem;display: block;">{{.i18n.Tr "repo.cloudbrain_jobname_err"}}</span>
                 </div>
 
                 <div class="min_title inline field">
@@ -468,7 +468,7 @@
                     identifier  : 'display_job_name',
                     rules: [
                     {
-                        type: 'regExp[/^[a-zA-Z0-9-_]{1,64}[a-zA-Z0-9_]$/]',
+                        type: 'regExp[/^[a-z0-9][a-z0-9-_]{1,34}[a-z0-9-]$/]',
                     }
                     ]
                 },
diff --git a/templates/repo/modelarts/notebook/new.tmpl b/templates/repo/modelarts/notebook/new.tmpl
index b81bdfdec..3b9dcfafb 100755
--- a/templates/repo/modelarts/notebook/new.tmpl
+++ b/templates/repo/modelarts/notebook/new.tmpl
@@ -50,7 +50,7 @@
                     </div>
                     <div class="inline required field">
                         <label>{{.i18n.Tr "cloudbrain.task_name"}}</label>
-                        <input name="display_job_name" id="cloudbrain_job_name" placeholder="任务名称" value="{{.display_job_name}}" tabindex="3" autofocus required maxlength="255" onkeyup="this.value=this.value.replace(/[, ]/g,'')">
+                        <input name="display_job_name" id="cloudbrain_job_name" placeholder="任务名称" value="{{.display_job_name}}" tabindex="3" autofocus required maxlength="36" onkeyup="this.value=this.value.replace(/[, ]/g,'')">
                     </div>
 
                     <div class="inline required field">
@@ -118,7 +118,7 @@
                     identifier  : 'display_job_name',
                     rules: [
                     {
-                        type: 'regExp[/^[a-z0-9][a-z0-9-_]{1,36}$/]',
+                        type: 'regExp[/^[a-z0-9][a-z0-9-_]{1,34}[a-z0-9-]$/]',
                     }
                     ]
                 },                
@@ -136,11 +136,11 @@
         let value_task = $("input[name='display_job_name']").val()
 
 
-        let re = /^[a-z0-9][a-z0-9-_]{1,36}$/
+        let re = /^[a-z0-9][a-z0-9-_]{1,34}[a-z0-9-]$/
         let flag = re.test(value_task)
         if(!flag){
             $('#messageInfo').css('display','block')
-            let str = '只能以小写字母或数字开头且只包含小写字母、数字、_和-、最长36个字符。'
+            let str = '只能以小写字母或数字开头且只包含小写字母、数字、_和-，不能以_结尾，最长36个字符。'
             $('#messageInfo p').text(str)
             return false
         }
diff --git a/templates/repo/modelarts/trainjob/new.tmpl b/templates/repo/modelarts/trainjob/new.tmpl
index 0220d194e..770e2df89 100755
--- a/templates/repo/modelarts/trainjob/new.tmpl
+++ b/templates/repo/modelarts/trainjob/new.tmpl
@@ -122,8 +122,8 @@
                 </div>
                 <div class="required inline min_title field">
                     <label class="label-fix-width" style="font-weight: normal;">{{.i18n.Tr "repo.modelarts.train_job.job_name"}}</label>
-                    <input style="width: 60%;" name="display_job_name" id="display_job_name" placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}" tabindex="3" onkeyup="this.value=this.value.replace(/[, ]/g,'')" autofocus required maxlength="64">
-                    <span class="tooltips" style="margin-left:11.5rem;display: block;">{{.i18n.Tr "cloudbrain.job_name_rule"}}</span>
+                    <input style="width: 60%;" name="display_job_name" id="display_job_name" placeholder={{.i18n.Tr "repo.modelarts.train_job.job_name"}} value="{{.display_job_name}}" tabindex="3" onkeyup="this.value=this.value.replace(/[, ]/g,'')" autofocus required maxlength="36">
+                    <span class="tooltips" style="margin-left:11.5rem;display: block;">{{.i18n.Tr "repo.cloudbrain_jobname_err"}}</span>
                 </div>
 
                 <div class="inline min_title field">
@@ -469,7 +469,7 @@
                         identifier: 'display_job_name',
                         rules: [
                             {
-                                type: 'regExp[/^[a-zA-Z0-9-_]{1,64}[a-zA-Z0-9_]$/]',
+                                type: 'regExp[/^[a-z0-9][a-z0-9-_]{1,34}[a-z0-9-]$/]',
                             }
                         ]
                     },