diff --git a/doc/docs/files/90100_常见问题.md b/doc/docs/files/90100_常见问题.md
index 8def132e..2a0b76a9 100644
--- a/doc/docs/files/90100_常见问题.md
+++ b/doc/docs/files/90100_常见问题.md
@@ -7,6 +7,13 @@ OpenContext openContext = ServiceContext.getCurrentContext().getOpenContext();
 String appId = openContext.getAppId();
 ```
 
+## 在其它地方获取业务参数
+
+```java
+OpenContext openContext = ServiceContext.getCurrentContext().getOpenContext();
+Object bizObject = openContext.getBizObject();
+```
+
 ## Socket error occurred: `localhost/0:0:0:0:0:0:0:1:2181`: Connection refused
 
 检查本地zookeeper有没启动，如果zookeeper在其他机器上，修改application-dev.yml