diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md b/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
index 9d72afe1700b522d9b1eff7f3ddecc25adf79dd8..eaad81311b59843b2867357ab5b3efbdc94abb61 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
@@ -34,7 +34,7 @@ getDeviceList(callback: AsyncCallback<Array<number>>): void
 
 ```js
 try {
-  inputDevice.getDeviceList((error, ids) => {
+  inputDevice.getDeviceList((error: Error, ids: Array<number>) => {
     if (error) {
       console.log(`Failed to get device id list, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -129,7 +129,7 @@ getDeviceInfo(deviceId: number): Promise&lt;InputDeviceData&gt;
 ```js
 // 获取输入设备id为1的设备信息。
 try {
-  inputDevice.getDeviceInfo(1).then((deviceData) => {
+  inputDevice.getDeviceInfo(1).then((deviceData: inputDevice.InputDeviceData) => {
     console.log(`Device info: ${JSON.stringify(deviceData)}`);
   });
 } catch (error) {
@@ -194,7 +194,7 @@ off(type: "change", listener?: Callback&lt;DeviceListener&gt;): void
 **示例**：
 
 ```js
-function callback(data) {
+function callback(data: inputDevice.DeviceListener) {
   console.log(`Report device event info: ${JSON.stringify(data, [`type`, `deviceId`])}`);
 };
 
@@ -292,7 +292,7 @@ getDevice(deviceId: number, callback: AsyncCallback&lt;InputDeviceData&gt;): voi
 
 ```js
 // 获取输入设备id为1的设备信息。
-inputDevice.getDevice(1, (error, deviceData) => {
+inputDevice.getDevice(1, (error: Error, deviceData: inputDevice.InputDeviceData) => {
   if (error) {
     console.log(`Failed to get device info, error: ${JSON.stringify(error, [`code`, `message`])}`);
     return;
@@ -327,7 +327,7 @@ getDevice(deviceId: number): Promise&lt;InputDeviceData&gt;
 
 ```js
 // 获取输入设备id为1的设备信息。
-inputDevice.getDevice(1).then((deviceData) => {
+inputDevice.getDevice(1).then((deviceData: inputDevice.InputDeviceData) => {
   console.log(`Device info: ${JSON.stringify(deviceData)}`);
 });
 ```
@@ -387,7 +387,7 @@ supportKeys(deviceId: number, keys: Array&lt;KeyCode&gt;): Promise&lt;Array&lt;b
 ```js
 // 查询id为1的输入设备对于17、22和2055按键的支持情况。
 try {
-  inputDevice.supportKeys(1, [17, 22, 2055]).then((supportResult) => {
+  inputDevice.supportKeys(1, [17, 22, 2055]).then((supportResult: Array<boolean>) => {
     console.log(`Query result: ${JSON.stringify(supportResult)}`);
   });
 } catch (error) {
@@ -415,7 +415,7 @@ getKeyboardType(deviceId: number, callback: AsyncCallback&lt;KeyboardType&gt;):
 ```js
 // 查询id为1的输入设备的键盘类型。
 try {
-  inputDevice.getKeyboardType(1, (error, type) => {
+  inputDevice.getKeyboardType(1, (error: Error, type: number) => {
     if (error) {
       console.log(`Failed to get keyboard type, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -481,7 +481,7 @@ setKeyboardRepeatDelay(delay: number, callback: AsyncCallback&lt;void&gt;): void
 
 ```js
 try {
-  inputDevice.setKeyboardRepeatDelay(350, (error) => {
+  inputDevice.setKeyboardRepeatDelay(350, (error: Error) => {
     if (error) {
       console.log(`Set keyboard repeat delay failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -579,7 +579,7 @@ getKeyboardRepeatDelay(): Promise&lt;number&gt;
 
 ```js
 try {
-  inputDevice.getKeyboardRepeatDelay().then(delay => {
+  inputDevice.getKeyboardRepeatDelay().then((delay: number) => {
     console.log(`Get keyboard repeat delay success`);
   });
 } catch (error) {
@@ -608,7 +608,7 @@ setKeyboardRepeatRate(rate: number, callback: AsyncCallback&lt;void&gt;): void
 
 ```js
 try {
-  inputDevice.setKeyboardRepeatRate(60, (error) => {
+  inputDevice.setKeyboardRepeatRate(60, (error: Error) => {
     if (error) {
       console.log(`Set keyboard repeat rate failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -674,7 +674,7 @@ getKeyboardRepeatRate(callback: AsyncCallback&lt;number&gt;): void
 
 ```js
 try {
-  inputDevice.getKeyboardRepeatRate((error, rate) => {
+  inputDevice.getKeyboardRepeatRate((error: Error, rate: number) => {
     if (error) {
       console.log(`Get keyboard repeat rate failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -706,7 +706,7 @@ getKeyboardRepeatRate(): Promise&lt;number&gt;
 
 ```js
 try {
-  inputDevice.getKeyboardRepeatRate().then(rate => {
+  inputDevice.getKeyboardRepeatRate().then((rate: number) => {
     console.log(`Get keyboard repeat rate success`);
   });
 } catch (error) {