From 29c3cf1f75967fa26d83527ecdcb23947f22a7f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=A4=B1=E7=9C=A0=E7=9A=84=E6=B3=A2=E5=A6=9E?=
 <xingcxb@hotmail.com>
Date: Wed, 24 Feb 2021 11:58:34 +0800
Subject: [PATCH] update doc/docs/websocket.md.

---
 doc/docs/websocket.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/doc/docs/websocket.md b/doc/docs/websocket.md
index 6e0e0db4..6152545b 100644
--- a/doc/docs/websocket.md
+++ b/doc/docs/websocket.md
@@ -4,6 +4,14 @@ Jboot 内置了 Undertow 服务器，完美支持 websocket 功能， tomcat8 
 
 在使用 websocket 之前，需要添加如下配置：
 
+```
+<dependency>
+    <groupId>javax.annotation</groupId>
+    <artifactId>javax.annotation-api</artifactId>
+    <version>1.3.2</version>
+</dependency>
+```
+
 ```
 jboot.web.webSocketEndpoint=your-endpoint-class-name
 ```
-- 
Gitee