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

Signed-off-by: Nliujiawei <liujiawei11@huawei.com>

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

@@ -94,7 +94,7 @@ on(type: "nfcStateChange", callback: Callback<NfcState>): void
 
 **系统能力**：SystemCapability.Communication.NFC
 
-- **参数**
+**参数**
   
   | **参数名** | **类型** | **必填** | **说明** |
   | -------- | -------- | -------- | -------- |
@@ -111,7 +111,7 @@ off(type: "nfcStateChange", callback?: Callback<NfcState>): void
 
 **系统能力**：SystemCapability.Communication.NFC
 
-- **参数**
+**参数**
   
   | **参数名** | **类型** | **必填** | **说明** |
   | -------- | -------- | -------- | -------- |
@@ -119,7 +119,7 @@ off(type: "nfcStateChange", callback?: Callback<NfcState>): void
 | callback | Callback<NfcState> | 否 | 状态改变回调函数。如果callback不填，将“去注册”该事件关联的所有回调函数。 |
   
 - 示例
-  ```
+  ```js
   import nfcController from '@ohos.nfcController';
   
   var NFC_STATE_NOTIFY = "nfcStateChange";