diff --git a/templates/repo/cloudbrain/new.tmpl b/templates/repo/cloudbrain/new.tmpl
index 9d26d12aa..42a0e55ad 100755
--- a/templates/repo/cloudbrain/new.tmpl
+++ b/templates/repo/cloudbrain/new.tmpl
@@ -259,11 +259,11 @@
         let value_task = $("input[name='job_name']").val()
         let value_image = $("input[name='image']").val()
         let value_data = $("input[name='attachment']").val()
-        let re = /^[a-z0-9][a-z0-9-_]{1,35}$/
+        let re = /^[a-z0-9][a-z0-9-_]{1,35}[^_]$/
         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-、最长36个字符,不能下划线(-)结尾。'
             $('#messageInfo p').text(str)
             return false
         }