diff --git a/sample/notify.js b/sample/notify.js
index dc6939bb..247faabf 100644
--- a/sample/notify.js
+++ b/sample/notify.js
@@ -142,6 +142,7 @@ let SMTP_PASSWORD = '';
 let SMTP_NAME = '';
 
 // =======================================PushMe通知设置区域===========================================
+//官方文档：https://push.i-i.me/
 //此处填你的PushMe KEY.
 let PUSHME_KEY = '';