diff --git a/en/application-dev/reference/apis/js-apis-util.md b/en/application-dev/reference/apis/js-apis-util.md
index e0fcbc5689c1b0f90f4aec8713d4cd2c4a679daf..a4ae0d235f5e2ff3297c2bddb887890967213a29 100755
--- a/en/application-dev/reference/apis/js-apis-util.md
+++ b/en/application-dev/reference/apis/js-apis-util.md
@@ -1913,8 +1913,7 @@ Checks whether the input value is of the **native external** type.
 **Example**
   ```js
   var that = new util.types();
-  const data = util.createExternalType();
-  var result = that.isExternal(data);
+  var result = that.isExternal(true);
   ```
 
 
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 742e63da1256359ad60510c0283ae75ac9577d52..284ed6b1fd24575280e07ec2c273d5fa2f58ea4e 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-util.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-util.md
@@ -1910,8 +1910,7 @@ isExternal(value: Object): boolean
 **示例：**
   ```js
   var that = new util.types();
-  const data = util.createExternalType();
-  var result = that.isExternal(data);
+  var result = that.isExternal(true);
   ```