diff --git a/en/application-dev/reference/apis/js-apis-url.md b/en/application-dev/reference/apis/js-apis-url.md
index c060118f7e466da51f2ee5b7fdd6ad20f7e256ca..221decfb35ae0a6667eb9f96c60c713f8536949b 100755
--- a/en/application-dev/reference/apis/js-apis-url.md
+++ b/en/application-dev/reference/apis/js-apis-url.md
@@ -128,7 +128,7 @@ Obtains an ES6 iterator. Each item of the iterator is a JavaScript array, and th
| Type| Description|
| -------- | -------- |
-| IterableIterator<[string, string]> | ES6 iterator.|
+| IterableIterator<[string, string]> | ES6 iterator.|
**Example**
@@ -192,7 +192,7 @@ Obtains the value of the first key-value pair based on the specified key.
| Type| Description|
| -------- | -------- |
| string | Returns the value of the first key-value pair if obtained.|
-| null | Returns null if no value is obtained.|
+| null | Returns **null** if no value is obtained.|
**Example**
@@ -333,7 +333,7 @@ Obtains an ES6 iterator. Each item of the iterator is a JavaScript array, and th
| Type| Description|
| -------- | -------- |
-| IterableIterator<[string, string]> | ES6 iterator.|
+| IterableIterator<[string, string]> | ES6 iterator.|
**Example**
@@ -404,7 +404,7 @@ Creates a URL.
| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| url | string | Yes| Input object.|
-| base | string \| URL | No| Input parameter, which can be any of the following:
- **string**: string
- **URL**: string or object|
+| base | string \| URL | No| Input parameter, which can be any of the following:
- **string**: string
- **URL**: string or object|
**Example**
@@ -442,7 +442,7 @@ Converts the parsed URL into a string.
```js
const url = new Url.URL('http://username:password@host:8080/directory/file?query=pppppp#qwer=da');
-url.toString()
+url.toString();
```
@@ -463,5 +463,5 @@ Converts the parsed URL into a JSON string.
**Example**
```js
const url = new Url.URL('http://username:password@host:8080/directory/file?query=pppppp#qwer=da');
-url.toJSON()
+url.toJSON();
```