diff --git a/docs/dsms-engine/design/login.md b/docs/dsms-engine/design/login.md
index 3ae42906a2307db39d074103b3373f30b0e0a450..17484362b7fd4bd35ad4c3032f23ef4a33a8d3dd 100644
--- a/docs/dsms-engine/design/login.md
+++ b/docs/dsms-engine/design/login.md
@@ -1,8 +1,14 @@
 # 登录/注销流程设计
 
-## 登录
+## 1.登录
 
 dsms-ui端登录时，发送POST /api/login请求到dsms-engine，dsms-engine端验证用户账号密码正确之后，根据规则生成token，将其存储在redis中并设置过期时间，然后以json格式封装token和用户信息返回给dsms-ui端。  
 
-其登录流程如下图所示：  
-![login](../images/login.png)
\ No newline at end of file
+登录功能流程如下图所示：  
+![login](../images/login.png)  
+
+## 2.注销
+dsms-ui端注销时，发送POST /api/logout请求到dsms-engine，请求头中传入token，dsms-engine端删除redis中缓存的token信息。  
+
+注销功能流程如下图所示：
+![login](../images/logout.png)  
\ No newline at end of file
diff --git a/docs/dsms-engine/images/logout.png b/docs/dsms-engine/images/logout.png
new file mode 100644
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Binary files /dev/null and b/docs/dsms-engine/images/logout.png differ