diff --git a/site/src/site/sphinx/en/spring-boot-starter.md b/site/src/site/sphinx/en/spring-boot-starter.md
index a7cead797..e0b3368f0 100644
--- a/site/src/site/sphinx/en/spring-boot-starter.md
+++ b/site/src/site/sphinx/en/spring-boot-starter.md
@@ -23,7 +23,7 @@ When the application is started, spring will start arthas and attach its own pro
 For example, by configuring the tunnel server for remote management.
 
 ```
-arthas.agentId=hsehdfsfghhwertyfad
+arthas.agent-id=hsehdfsfghhwertyfad
 arthas.tunnel-server=ws://47.75.156.201:7777/ws
 ```
 
diff --git a/site/src/site/sphinx/spring-boot-starter.md b/site/src/site/sphinx/spring-boot-starter.md
index c2e1e645b..197b2db83 100644
--- a/site/src/site/sphinx/spring-boot-starter.md
+++ b/site/src/site/sphinx/spring-boot-starter.md
@@ -23,7 +23,7 @@ Arthas Spring Boot Starter
 比如，通过配置tunnel server实现远程管理：
 
 ```
-arthas.agentId=hsehdfsfghhwertyfad
+arthas.agent-id=hsehdfsfghhwertyfad
 arthas.tunnel-server=ws://47.75.156.201:7777/ws
 ```