diff --git a/README-zh.md b/README-zh.md
index ad83038..9bb578b 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -47,7 +47,7 @@ npm install page-agent
 import { PageAgent } from 'page-agent'
 
 const agent = new PageAgent({
-  modelName: 'gpt-4.1-mini'
+  modelName: 'gpt-4.1-mini',
   baseURL: 'xxxx',
   apiKey: 'xxxx'
 })
diff --git a/README.md b/README.md
index 08f7d9b..9869412 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ npm install page-agent
 import { PageAgent } from 'page-agent'
 
 const agent = new PageAgent({
-  modelName: 'gpt-4.1-mini'
+  modelName: 'gpt-4.1-mini',
   baseURL: 'xxxx',
   apiKey: 'xxxx'
 })