diff --git a/docSite/content/zh-cn/docs/development/openapi/chat.md b/docSite/content/zh-cn/docs/development/openapi/chat.md
index 808eccdee..f97a7465d 100644
--- a/docSite/content/zh-cn/docs/development/openapi/chat.md
+++ b/docSite/content/zh-cn/docs/development/openapi/chat.md
@@ -672,7 +672,7 @@ curl --location --request POST 'http://localhost:3000/api/core/chat/getHistories
     "appId": "appId",
     "offset": 0,
     "pageSize": 20,
-    "source: "api"
+    "source": "api"
 }'
 ```