diff --git a/packages/ui/certd-server/src/plugins/plugin-template/email/plugin-common.ts b/packages/ui/certd-server/src/plugins/plugin-template/email/plugin-common.ts
index 0ded6cd96..f77b84dad 100644
--- a/packages/ui/certd-server/src/plugins/plugin-template/email/plugin-common.ts
+++ b/packages/ui/certd-server/src/plugins/plugin-template/email/plugin-common.ts
@@ -21,6 +21,7 @@ export class CommonEmailTemplateProvider extends BaseEmailTemplateProvider imple
         {label:"URL",value:"url"}
       ]
     },
+    helper:"html格式下${content}建议使用pre标签包裹：例如：<pre>${content}</pre>",
     col: { span: 24 },
   })
   paramIntro = "";