diff --git a/zh-cn/application-dev/reference/apis/js-apis-resource-manager.md b/zh-cn/application-dev/reference/apis/js-apis-resource-manager.md
index 6a30bba2bd23574989482edb27fbf0c7fd7c870c..31dbd8ec9098fb32ed006aff8501a1155dcef3c0 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-resource-manager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-resource-manager.md
@@ -1543,7 +1543,7 @@ closeRawFd(path: string, callback: AsyncCallback<void>): void
```
-### closeRawFd8+
+### closeRawFd9+
closeRawFd(path: string): Promise<void>