diff --git a/en/application-dev/reference/apis/js-apis-util.md b/en/application-dev/reference/apis/js-apis-util.md
index abf2b4a31a27cefcf9cf1e653a8e2e4249b5a6fb..e0fcbc5689c1b0f90f4aec8713d4cd2c4a679daf 100755
--- a/en/application-dev/reference/apis/js-apis-util.md
+++ b/en/application-dev/reference/apis/js-apis-util.md
@@ -105,7 +105,7 @@ Calls back an asynchronous function. In the callback, the first parameter indica
 promiseWrapper(original: (err: Object, value: Object) => void): Object
 
 > **Introduce**<br/>
-> Starting from API version 9, it is recommended to use [util.promisewrapper9 +] (\utilpromisewrapper9) instead.
+> Deprecated starting from API version 9, it is recommended to use [util.promisify9 +] (\utilpromisify9) instead.
 
 Processes an asynchronous function and returns a promise version.
 
@@ -132,9 +132,9 @@ Processes an asynchronous function and returns a promise version.
   })
   ```
 
-## util.promiseWrapper<sup>9+</sup>
+## util.promisify<sup>9+</sup>
 
-promiseWrapper(original: (err: Object, value: Object) =&gt; void): Function
+promisify(original: (err: Object, value: Object) =&gt; void): Function
 
 Processes an asynchronous function and returns a promise function.
 
@@ -159,7 +159,7 @@ Processes an asynchronous function and returns a promise function.
       return str1
     }
   }
-  let newPromiseObj = util.promiseWrapper(aysnFun);
+  let newPromiseObj = util.promisify(aysnFun);
   newPromiseObj({ err: "type error" }, {value:'HelloWorld'}).then(res => {
     console.log(res);
   })
diff --git a/zh-cn/application-dev/reference/apis/js-apis-util.md b/zh-cn/application-dev/reference/apis/js-apis-util.md
index fd4425ef4524d75c71a64e657e575cecc2f33dd0..742e63da1256359ad60510c0283ae75ac9577d52 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-util.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-util.md
@@ -104,7 +104,7 @@ callbackWrapper(original: Function): (err: Object, value: Object )=&gt;void
 promiseWrapper(original: (err: Object, value: Object) =&gt; void): Object
 
 > **说明：**<br/>
-> 从API Version 9开始废弃，建议使用[util.promiseWrapper9+](#utilpromisewrapper9)替代。
+> 从API Version 9开始废弃，建议使用[util.promisify9+](#utilpromisify9)替代。
 
 对异步函数处理并返回一个promise的版本。
 
@@ -131,9 +131,9 @@ promiseWrapper(original: (err: Object, value: Object) =&gt; void): Object
   })
   ```
 
-## util.promiseWrapper<sup>9+</sup>
+## util.promisify<sup>9+</sup>
 
-promiseWrapper(original: (err: Object, value: Object) =&gt; void): Function
+promisify(original: (err: Object, value: Object) =&gt; void): Function
 
 对异步函数处理并返回一个promise的函数。
 
@@ -158,7 +158,7 @@ promiseWrapper(original: (err: Object, value: Object) =&gt; void): Function
       return str1
     }
   }
-  let newPromiseObj = util.promiseWrapper(aysnFun);
+  let newPromiseObj = util.promisify(aysnFun);
   newPromiseObj({ err: "type error" }, {value:'HelloWorld'}).then(res => {
     console.log(res);
   })