update zh-cn/application-dev/reference/apis/js-apis-inputmethod.md.

Signed-off-by: Nsunyue <sunyue77@h-partners.com>

zh-cn/application-dev/reference/apis/js-apis-inputmethod.md

@@ -47,9 +47,10 @@ getInputMethodController(): InputMethodController
     | [InputMethodController](#InputMethodController) | 回调返回当前客户端实例。 |
 
 **示例：**
-  ```js
+  
+```js
   var InputMethodController = inputMethod.getInputMethodController();
-  ```
+```
 ## inputMethod.getInputMethodSetting<sup>8+</sup>
 
 getInputMethodSetting(): InputMethodSetting
@@ -66,9 +67,10 @@ getInputMethodSetting(): InputMethodSetting
 
 
 **示例：**
-  ```js
+
+```js
   var InputMethodSetting = inputMethod.getInputMethodSetting();
-  ```
+```
 
 ## InputMethodController
 
@@ -112,7 +114,6 @@ stopInput(): Promise&lt;boolean&gt;
 
 **示例：**
 
-
 ```js
   var isSuccess = InputMethodController.stopInput();
   console.info('stopInput isSuccess = ' + isSuccess);
@@ -136,14 +137,15 @@ listInputMethod(callback: AsyncCallback&lt;Array&lt;InputMethodProperty&gt;&gt;)
   | callback | Array<[InputMethodProperty](#InputMethodProperty)> | 是   | 返回已安装输入法列表。 |
 
 **示例：**
-  ```js
+
+```js
   InputMethodSetting.listInputMethod((properties)=>{
     for (var i = 0;i < properties.length; i++) {
       var property = properties[i];
       console.info(property.packageName + "/" + property.methodId);
     }
  });
-  ```
+```
 
 ### listInputMethod
 
@@ -159,13 +161,14 @@ listInputMethod(): Array&lt;InputMethodProperty&gt;
   | Promise<Array<[InputMethodProperty](#InputMethodProperty)>> | 返回已安装输入法列表。 |
 
 **示例：**
-  ```js
+  
+```js
    var properties = InputMethodSetting.listInputMethod();
    for (var i = 0;i < properties.length; i++) {
      var property = properties[i];
      console.info(property.packageName + "/" + property.methodId);
    }
-  ```
+```
 
 ### displayOptionalInputMethod
 
@@ -182,11 +185,12 @@ displayOptionalInputMethod(callback: AsyncCallback&lt;void&gt;): void
 | callback | AsyncCallback&lt;void&gt; | 是 | 回调函数。 |
 
 **示例：**
-  ```js
+
+```js
   InputMethodSetting.displayOptionalInputMethod(()=>{
     console.info('displayOptionalInputMethod is called');
   });
-  ```
+```
 
 ### displayOptionalInputMethod
 
@@ -203,6 +207,7 @@ displayOptionalInputMethod(callback: AsyncCallback&lt;void&gt;): void
 | Promise&lt;void&gt; | 回调函数。 |
 
 **示例：**
-    ```js
+    
+```js
   InputMethodSetting.displayOptionalInputMethod();
-    ```
+```
\ No newline at end of file