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 ad04193189eddfe65a2f6c3bd86650d6dc4f6c2a..27b840996dfb6a487a09f1bdd662b71abe00f04c 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
       
   ```
 
-### closeRawFd<sup>8+</sup>
+### closeRawFd<sup>9+</sup>
 
 closeRawFd(path: string): Promise&lt;void&gt;