diff --git a/wg-basic/websocket.md b/wg-basic/websocket.md
index ce1c905..47fbb2f 100644
--- a/wg-basic/websocket.md
+++ b/wg-basic/websocket.md
@@ -2,7 +2,7 @@
 title: 7.即时消息
 description: 即时消息模块的使用
 published: true
-date: 2021-09-14T09:03:56.769Z
+date: 2021-10-09T08:24:01.361Z
 tags: wg-basic
 editor: markdown
 dateCreated: 2021-09-14T06:25:26.887Z
@@ -110,3 +110,11 @@ websocket:
 | 405 | FROM_ERROR | 来源错误 |
 | 406 | TO_ERROR | 接收人错误 |
 | 407 | RECEIVE_ERROR | 接收错误 |
+
+# 自定义处理消息业务
+
+## 1. 实现接口
+
+实现 `ink.wgink.module.instantmessage.service.IWebSocketTextCustomService` 接口
+
+## 2.