diff --git a/zh-cn/application-dev/reference/apis/js-apis-system-fetch.md b/zh-cn/application-dev/reference/apis/js-apis-system-fetch.md
index 02d164a071dc5ff4b4d5cda5cc4e07c0e37a1152..8cd0ad5e51c5507e48b3061b328bb215949d0d11 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-system-fetch.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-system-fetch.md
@@ -16,47 +16,15 @@ import fetch from '@system.fetch';
## fetch.fetch3+
-fetch(options:{
- /**
- * Resource URL.
- * @since 3
- */
- url: string;
- /**
- * Request parameter, which can be of the string type or a JSON object.
- * @since 3
- */
- data?: string | object;
- /**
- * Request header, which accommodates all attributes of the request.
- * @since 3
- */
- header?: Object;
- /**
- * Request methods available: OPTIONS, GET, HEAD, POST, PUT, DELETE and TRACE. The default value is GET.
- * @since 3
- */
- method?: string;
- /**
- * The return type can be text, or JSON. By default, the return type is determined based on Content-Type in the header returned by the server.
- * @since 3
- */
- responseType?: string;
- /**
- * Called when the network data is obtained successfully.
- * @since 3
- */
- success?: (data: FetchResponse) => void;
- /**
- * Called when the network data fails to be obtained.
- * @since 3
- */
- fail?: (data: any, code: number) => void;
- /**
- * Called when the execution is completed.
- * @since 3
- */
- complete?: () => void;
+fetch(options:{
+ url: string;
+ data?: string | object;
+ header?: Object;
+ method?: string;
+ responseType?: string;
+ success?: (data: FetchResponse) => void;
+ fail?: (data: any, code: number) => void;
+ complete?: () => void;
} ): void
通过网络获取数据。