diff --git a/en/application-dev/reference/apis/js-apis-mediaquery.md b/en/application-dev/reference/apis/js-apis-mediaquery.md
index 7cb3263efc4800810a185bf908ae98fef33808ec..1f1f8526fb73fcd6d460b3f5502b82bac160186c 100644
--- a/en/application-dev/reference/apis/js-apis-mediaquery.md
+++ b/en/application-dev/reference/apis/js-apis-mediaquery.md
@@ -6,7 +6,7 @@
 
 ## Modules to Import
 
-```
+```js
 import mediaquery from '@ohos.mediaquery'
 ```
 
@@ -33,8 +33,8 @@ Sets the media query criteria and returns the corresponding listening handle.
   | MediaQueryListener | Listening handle to a media event, which is used to register or unregister the listening callback.| 
 
 - Example
-  ```
-  listener = mediaquery.matchMediaSync('(orientation: landscape)'); // Listen for landscape events.
+  ```js
+let listener = mediaquery.matchMediaSync('(orientation: landscape)'); // Listen for landscape events.
   ```
 
 
@@ -79,10 +79,10 @@ Unregisters a callback with the corresponding query condition by using the handl
   | callback | Callback<MediaQueryResult> | No| Callback to be unregistered. If the default value is used, all callbacks of the handle are unregistered.| 
 
 - Example
-  ```
+  ```js
     import mediaquery from '@ohos.mediaquery'
     
-    listener = mediaquery.matchMediaSync('(orientation: landscape)'); // Listen for landscape events.
+    let listener = mediaquery.matchMediaSync('(orientation: landscape)'); // Listen for landscape events.
     function onPortrait(mediaQueryResult) {
         if (mediaQueryResult.matches) {
             // do something here
@@ -90,8 +90,8 @@ Unregisters a callback with the corresponding query condition by using the handl
             // do something here
         }
     }
-    this.listener.on('change', this.onPortrait) // Registration callback.
-    this.listener.off('change', this.onPortrait) // Deregistration callback.
+    listener.on('change', onPortrait) // Register a callback.
+    listener.off('change', onPortrait) // Unregister a callback.
   ```
 
 
@@ -108,7 +108,7 @@ Unregisters a callback with the corresponding query condition by using the handl
 
 ### Example
 
-```
+```js
 import mediaquery from '@ohos.mediaquery'
 
 let portraitFunc = null
diff --git a/en/application-dev/reference/apis/js-apis-sensor.md b/en/application-dev/reference/apis/js-apis-sensor.md
index b038cd0f9b2e376b6e2d76fe096c1d4d9aefec13..14eef35173c61040322b7c242d50f11128ac1dfb 100644
--- a/en/application-dev/reference/apis/js-apis-sensor.md
+++ b/en/application-dev/reference/apis/js-apis-sensor.md
@@ -11,8 +11,9 @@
 import sensor from '@ohos.sensor';
 ```
 
+## sensor.on
 
-## sensor.on(SensorType.SENSOR_TYPE_ID_ACCELEROMETER)
+### ACCELEROMETER
 
 on(type:  SensorType.SENSOR_TYPE_ID_ACCELEROMETER, callback: Callback<AccelerometerResponse>,options?: Options): void
 
@@ -41,8 +42,7 @@ Subscribes to data changes of the acceleration sensor. If this API is called mul
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_LINEAR_ACCELERATION)
+### LINEAR_ACCELERATION
 
 on(type: SensorType.SENSOR_TYPE_ID_LINEAR_ACCELERATION,callback:Callback<LinearAccelerometerResponse>, options?: Options): void
 
@@ -70,8 +70,7 @@ Subscribes to data changes of the linear acceleration sensor. If this API is cal
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_ACCELEROMETER_UNCALIBRATED)
+### ACCELEROMETER_UNCALIBRATED
 
 on(type: SensorType.SENSOR_TYPE_ID_ACCELEROMETER_UNCALIBRATED,callback: Callback<AccelerometerUncalibratedResponse>, options?: Options): void
 
@@ -102,8 +101,7 @@ Subscribes to data changes of the uncalibrated acceleration sensor. If this API
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_GRAVITY)
+### GRAVITY
 
 on(type: SensorType.SENSOR_TYPE_ID_GRAVITY, callback: Callback<GravityResponse>,options?: Options): void
 
@@ -129,8 +127,7 @@ Subscribes to data changes of the gravity sensor. If this API is called multiple
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_GYROSCOPE)
+### GYROSCOPE
 
 on(type: SensorType.SENSOR_TYPE_ID_GYROSCOPE, callback: Callback<GyroscopeResponse>, options?: Options): void
 
@@ -158,8 +155,7 @@ Subscribes to data changes of the gyroscope sensor. If this API is called multip
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_GYROSCOPE_UNCALIBRATED)
+### GYROSCOPE_UNCALIBRATED
 
 on(type: SensorType.SENSOR_TYPE_ID_GYROSCOPE_UNCALIBRATED,callback:Callback<GyroscopeUncalibratedResponse>, options?: Options): void
 
@@ -190,8 +186,7 @@ Subscribes to data changes of the uncalibrated gyroscope sensor. If this API is
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_SIGNIFICANT_MOTION)
+### SIGNIFICANT_MOTION
 
 on(type: SensorType.SENSOR_TYPE_ID_SIGNIFICANT_MOTION, callback: Callback<SignificantMotionResponse>, options?: Options): void
 
@@ -215,8 +210,7 @@ Subscribes to data changes of the significant motion sensor. If this API is call
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_PEDOMETER_DETECTION)
+### PEDOMETER_DETECTION
 
 on(type: SensorType.SENSOR_TYPE_ID_PEDOMETER_DETECTION, callback: Callback<PedometerDetectionResponse>, options?: Options): void
 
@@ -242,8 +236,7 @@ Subscribes to data changes of the pedometer detection sensor. If this API is cal
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_PEDOMETER)
+### PEDOMETER
 
 on(type: SensorType.SENSOR_TYPE_ID_PEDOMETER, callback: Callback<PedometerResponse>, options?: Options): void
 
@@ -269,8 +262,7 @@ Subscribes to data changes of the pedometer sensor. If this API is called multip
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_AMBIENT_TEMPERATURE)
+### AMBIENT_TEMPERATURE
 
 on(type:SensorType.SENSOR_TYPE_ID_AMBIENT_TEMPERATURE,callback:Callback<AmbientTemperatureResponse>,  options?: Options): void
 
@@ -294,8 +286,7 @@ Subscribes to data changes of the ambient temperature sensor. If this API is cal
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD)
+### MAGNETIC_FIELD
 
 on(type: SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD, callback: Callback<MagneticFieldResponse>,options?: Options): void
 
@@ -321,8 +312,7 @@ Subscribes to data changes of the magnetic field sensor. If this API is called m
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD_UNCALIBRATED)
+### MAGNETIC_FIELD_UNCALIBRATED
 
 on(type: SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD_UNCALIBRATED,callback: Callback<MagneticFieldUncalibratedResponse>, options?: Options): void
 
@@ -351,8 +341,7 @@ Subscribes to data changes of the uncalibrated magnetic field sensor. If this AP
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_PROXIMITY)
+### PROXIMITY
 
 on(type: SensorType.SENSOR_TYPE_ID_PROXIMITY, callback: Callback<ProximityResponse>,options?: Options): void
 
@@ -376,8 +365,7 @@ Subscribes to data changes of the proximity sensor. If this API is called multip
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_HUMIDITY)
+### HUMIDITY
 
 on(type: SensorType.SENSOR_TYPE_ID_HUMIDITY, callback: Callback<HumidityResponse>,options?: Options): void
 
@@ -401,8 +389,7 @@ Subscribes to data changes of the humidity sensor. If this API is called multipl
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_BAROMETER)
+### BAROMETER
 
 on(type: SensorType.SENSOR_TYPE_ID_BAROMETER, callback: Callback<BarometerResponse>,options?: Options): void
 
@@ -426,8 +413,7 @@ Subscribes to data changes of the barometer sensor. If this API is called multip
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_HALL)
+### HALL
 
 on(type: SensorType.SENSOR_TYPE_ID_HALL, callback: Callback<HallResponse>, options?: Options): void
 
@@ -451,8 +437,7 @@ Subscribes to data changes of the Hall effect sensor. If this API is called mult
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_AMBIENT_LIGHT)
+### AMBIENT_LIGHT
 
 on(type: SensorType.SENSOR_TYPE_ID_AMBIENT_LIGHT, callback: Callback<LightResponse>, options?: Options): void
 
@@ -476,8 +461,7 @@ Subscribes to data changes of the ambient light sensor. If this API is called mu
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_ORIENTATION)
+### ORIENTATION
 
 on(type: SensorType.SENSOR_TYPE_ID_ORIENTATION, callback: Callback<OrientationResponse>, options?: Options): void
 
@@ -503,7 +487,7 @@ Subscribes to data changes of the orientation sensor. If this API is called mult
   );
   ```
 
-## sensor.on(SensorType.SENSOR_TYPE_ID_HEART_RATE)
+### HEART_RATE
 
 on(type: SensorType.SENSOR_TYPE_ID_HEART_RATE, callback: Callback<HeartRateResponse>, options?: Options): void
 
@@ -530,7 +514,7 @@ sensor.on(sensor.SensorType.SENSOR_TYPE_ID_HEART_RATE,function(data){
 );
 ```
 
-## sensor.on(SensorType.SENSOR_TYPE_ID_ROTATION_VECTOR)
+### ROTATION_VECTOR
 
 on(type: SensorType.SENSOR_TYPE_ID_ROTATION_VECTOR,callback: Callback<RotationVectorResponse>,options?: Options): void
 
@@ -557,8 +541,7 @@ Subscribes to data changes of the rotation vector sensor. If this API is called
   );
   ```
 
-
-## sensor.on(SensorType.SENSOR_TYPE_ID_WEAR_DETECTION)
+### WEAR_DETECTION
 
 on(type: SensorType.SENSOR_TYPE_ID_WEAR_DETECTION, callback: Callback<WearDetectionResponse>,options?: Options): void
 
@@ -582,8 +565,9 @@ Subscribes to data changes of the wear detection sensor. If this API is called m
   );
   ```
 
+## sensor.once
 
-## sensor.once(SensorType.SENSOR_TYPE_ID_ACCELEROMETER)
+### ACCELEROMETER
 
 once(type: SensorType.SENSOR_TYPE_ID_ACCELEROMETER, callback: Callback<AccelerometerResponse>): void
 
@@ -609,8 +593,7 @@ Subscribes to only one data change of the acceleration sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_LINEAR_ACCELERATION)
+### LINEAR_ACCELERATION
 
 once(type: SensorType.SENSOR_TYPE_ID_LINEAR_ACCELERATION,callback:Callback<LinearAccelerometerResponse>): void
 
@@ -636,8 +619,7 @@ Subscribes to only one data change of the linear acceleration sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_ACCELEROMETER_UNCALIBRATED)
+### ACCELEROMETER_UNCALIBRATED
 
 once(type: SensorType.SENSOR_TYPE_ID_ACCELEROMETER_UNCALIBRATED,callback: Callback<AccelerometerUncalibratedResponse>): void
 
@@ -666,8 +648,7 @@ Subscribes to only one data change of the uncalibrated acceleration sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_GRAVITY)
+### GRAVITY
 
 once(type: SensorType.SENSOR_TYPE_ID_GRAVITY, callback: Callback<GravityResponse>): void
 
@@ -691,8 +672,7 @@ Subscribes to only one data change of the gravity sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_GYROSCOPE)
+### GYROSCOPE
 
 once(type: SensorType.SENSOR_TYPE_ID_GYROSCOPE, callback: Callback<GyroscopeResponse>): void
 
@@ -718,8 +698,7 @@ Subscribes to only one data change of the gyroscope sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_GYROSCOPE_UNCALIBRATED)
+### GYROSCOPE_UNCALIBRATED
 
 once(type: SensorType.SENSOR_TYPE_ID_GYROSCOPE_UNCALIBRATED,callback: Callback<GyroscopeUncalibratedResponse>): void
 
@@ -748,8 +727,7 @@ Subscribes to only one data change of the uncalibrated gyroscope sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_SIGNIFICANT_MOTION)
+### SIGNIFICANT_MOTION
 
 once(type: SensorType.SENSOR_TYPE_ID_SIGNIFICANT_MOTION,callback: Callback<SignificantMotionResponse>): void
 
@@ -771,8 +749,7 @@ Subscribes to only one data change of the significant motion sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_PEDOMETER_DETECTION)
+### PEDOMETER_DETECTION
 
 once(type: SensorType.SENSOR_TYPE_ID_PEDOMETER_DETECTION,callback: Callback<PedometerDetectionResponse>): void
 
@@ -796,8 +773,7 @@ Subscribes to only one data change of the pedometer detection sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_PEDOMETER)
+### PEDOMETER
 
 once(type: SensorType.SENSOR_TYPE_ID_PEDOMETER, callback: Callback<PedometerResponse>): void
 
@@ -821,8 +797,7 @@ Subscribes to only one data change of the pedometer sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_AMBIENT_TEMPERATURE)
+### AMBIENT_TEMPERATURE
 
 once(type: SensorType.SENSOR_TYPE_ID_AMBIENT_TEMPERATURE,callback: Callback<AmbientTemperatureResponse>): void
 
@@ -844,8 +819,7 @@ Subscribes to only one data change of the ambient temperature sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD)
+### MAGNETIC_FIELD
 
 once(type: SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD, callback: Callback<MagneticFieldResponse>): void
 
@@ -869,8 +843,7 @@ Subscribes to only one data change of the magnetic field sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD_UNCALIBRATED)
+### MAGNETIC_FIELD_UNCALIBRATED
 
 once(type: SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD_UNCALIBRATED,callback: Callback<MagneticFieldUncalibratedResponse>): void
 
@@ -897,8 +870,7 @@ Subscribes to only one data change of the uncalibrated magnetic field sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_PROXIMITY)
+### PROXIMITY
 
 once(type: SensorType.SENSOR_TYPE_ID_PROXIMITY, callback: Callback<ProximityResponse>): void
 
@@ -924,8 +896,7 @@ Subscribes to only one data change of the proximity sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_HUMIDITY)
+### HUMIDITY
 
 once(type: SensorType.SENSOR_TYPE_ID_HUMIDITY, callback: Callback<HumidityResponse>): void
 
@@ -947,8 +918,7 @@ Subscribes to only one data change of the humidity sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_BAROMETER)
+### BAROMETER
 
 once(type: SensorType.SENSOR_TYPE_ID_BAROMETER, callback: Callback<BarometerResponse>): void
 
@@ -970,8 +940,7 @@ Subscribes to only one data change of the barometer sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_HALL)
+### HALL
 
 once(type: SensorType.SENSOR_TYPE_ID_HALL, callback: Callback<HallResponse>): void
 
@@ -993,8 +962,7 @@ Subscribes to only one data change of the Hall effect sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_AMBIENT_LIGHT)
+### AMBIENT_LIGHT
 
 once(type: SensorType.SENSOR_TYPE_ID_AMBIENT_LIGHT, callback: Callback<LightResponse>): void
 
@@ -1016,8 +984,7 @@ Subscribes to only one data change of the ambient light sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_ORIENTATION)
+### ORIENTATION
 
 once(type: SensorType.SENSOR_TYPE_ID_ORIENTATION, callback: Callback<OrientationResponse>): void
 
@@ -1041,8 +1008,7 @@ Subscribes to only one data change of the orientation sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_ROTATION_VECTOR)
+### ROTATION_VECTOR
 
 once(type: SensorType.SENSOR_TYPE_ID_ROTATION_VECTOR, callback: Callback<RotationVectorResponse>): void
 
@@ -1067,8 +1033,7 @@ Subscribes to only one data change of the rotation vector sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_HEART_RATE)
+### HEART_RATE
 
 once(type: SensorType.SENSOR_TYPE_ID_HEART_RATE, callback: Callback<HeartRateResponse>): void
 
@@ -1092,8 +1057,7 @@ Subscribes to only one data change of the heart rate sensor.
   );
   ```
 
-
-## sensor.once(SensorType.SENSOR_TYPE_ID_WEAR_DETECTION)
+### WEAR_DETECTION
 
 once(type: SensorType.SENSOR_TYPE_ID_WEAR_DETECTION, callback: Callback<WearDetectionResponse>): void
 
@@ -1115,7 +1079,9 @@ Subscribes to only one data change of the wear detection sensor.
   );
   ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_ACCELEROMETER)
+## sensor.off
+
+### ACCELEROMETER
 
 off(type: SensorType.SENSOR_TYPE_ID_ACCELEROMETER, callback?: Callback<AccelerometerResponse>): void
 
@@ -1143,7 +1109,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_ACCELEROMETER, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_ACCELEROMETER_UNCALIBRATED)
+### ACCELEROMETER_UNCALIBRATED
 
 off(type: SensorType.SENSOR_TYPE_ID_ACCELEROMETER_UNCALIBRATED, callback?: Callback<AccelerometerUncalibratedResponse>): void
 
@@ -1174,7 +1140,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_ACCELEROMETER_UNCALIBRATED, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_AMBIENT_LIGHT)
+### AMBIENT_LIGHT
 
 off(type: SensorType.SENSOR_TYPE_ID_AMBIENT_LIGHT, callback?: Callback<LightResponse>): void
 
@@ -1198,7 +1164,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_AMBIENT_LIGHT, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_AMBIENT_TEMPERATURE)
+### AMBIENT_TEMPERATURE
 
 off(type: SensorType.SENSOR_TYPE_ID_AMBIENT_TEMPERATURE, callback?: Callback<AmbientTemperatureResponse>): void
 
@@ -1222,7 +1188,7 @@ function callback(data) {
 sensor.off( sensor.SensorType.SENSOR_TYPE_ID_AMBIENT_TEMPERATURE, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_AMBIENT_TEMPERATURE)
+### AMBIENT_TEMPERATURE
 
 off(type: SensorType.SENSOR_TYPE_ID_BAROMETER, callback?: Callback<BarometerResponse>): void
 
@@ -1246,7 +1212,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_BAROMETER, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_GRAVITY)
+### GRAVITY
 
 off(type: SensorType.SENSOR_TYPE_ID_GRAVITY, callback?: Callback<GravityResponse>): void
 
@@ -1272,7 +1238,7 @@ function callback(data) {
 sensor.off( sensor.SensorType.SENSOR_TYPE_ID_GRAVITY, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_GYROSCOPE)
+### GYROSCOPE
 
 off(type: SensorType.SENSOR_TYPE_ID_GYROSCOPE, callback?: Callback<GyroscopeResponse>): void
 
@@ -1300,7 +1266,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_GYROSCOPE, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_GYROSCOPE_UNCALIBRATED)
+### GYROSCOPE_UNCALIBRATED
 
 off(type: SensorType.SENSOR_TYPE_ID_GYROSCOPE_UNCALIBRATED, callback?: Callback<GyroscopeUncalibratedResponse>): void
 
@@ -1328,7 +1294,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_GYROSCOPE_UNCALIBRATED, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_HALL)
+### HALL
 
 off(type: SensorType.SENSOR_TYPE_ID_HALL, callback?: Callback<HallResponse>): void
 
@@ -1352,7 +1318,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_HALL, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_HEART_RATE)
+### HEART_RATE
 
 off(type: SensorType.SENSOR_TYPE_ID_HEART_RATE, callback?: Callback<HeartRateResponse>): void
 
@@ -1378,7 +1344,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_HEART_RATE, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_HUMIDITY)
+### HUMIDITY
 
 off(type: SensorType.SENSOR_TYPE_ID_HUMIDITY, callback?: Callback<HumidityResponse>): void
 
@@ -1404,7 +1370,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_HUMIDITY, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_LINEAR_ACCELERATION)
+### LINEAR_ACCELERATION
 
 off(type: SensorType.SENSOR_TYPE_ID_LINEAR_ACCELERATION, callback?: Callback<LinearAccelerometerResponse>): void
 
@@ -1432,7 +1398,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_LINEAR_ACCELERATION, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD)
+### MAGNETIC_FIELD
 
  off(type: SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD, callback?: Callback<MagneticFieldResponse>): void
 
@@ -1460,7 +1426,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD_UNCALIBRATED)
+### MAGNETIC_FIELD_UNCALIBRATED
 
  off(type: SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD_UNCALIBRATED, callback?: Callback<MagneticFieldUncalibratedResponse>): void
 
@@ -1489,7 +1455,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_MAGNETIC_FIELD_UNCALIBRATED, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_ORIENTATION)
+### ORIENTATION
 
  off(type: SensorType.SENSOR_TYPE_ID_ORIENTATION, callback?: Callback<OrientationResponse>): void
 
@@ -1515,7 +1481,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_ORIENTATION, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_PEDOMETER)
+### PEDOMETER
 
 off(type: SensorType.SENSOR_TYPE_ID_PEDOMETER, callback?: Callback<PedometerResponse>): void
 
@@ -1539,7 +1505,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_PEDOMETER, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_PEDOMETER_DETECTION)
+### PEDOMETER_DETECTION
 
 off(type: SensorType.SENSOR_TYPE_ID_PEDOMETER_DETECTION, callback?: Callback<PedometerDetectionResponse>): void
 
@@ -1565,7 +1531,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_PEDOMETER_DETECTION, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_PROXIMITY)
+### PROXIMITY
 
 off(type: SensorType.SENSOR_TYPE_ID_PROXIMITY, callback?: Callback<ProximityResponse>): void
 
@@ -1589,7 +1555,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_PROXIMITY, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_ROTATION_VECTOR)
+### ROTATION_VECTOR
 
 off(type: SensorType.SENSOR_TYPE_ID_ROTATION_VECTOR, callback?: Callback<RotationVectorResponse>): void
 
@@ -1616,7 +1582,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_ROTATION_VECTOR, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_SIGNIFICANT_MOTION)
+### SIGNIFICANT_MOTION
 
 off(type: SensorType.SENSOR_TYPE_ID_SIGNIFICANT_MOTION, callback?: Callback<SignificantMotionResponse>): void
 
@@ -1640,7 +1606,7 @@ function callback(data) {
 sensor.off(sensor.SensorType.SENSOR_TYPE_ID_SIGNIFICANT_MOTION, callback);
 ```
 
-## sensor.off(SensorType.SENSOR_TYPE_ID_WEAR_DETECTION)
+### WEAR_DETECTION
 
 off(type: SensorType.SENSOR_TYPE_ID_WEAR_DETECTION, callback?: Callback<WearDetectionResponse>): void
 
@@ -1776,7 +1742,6 @@ Obtains the geomagnetic field of a geographic location. This API uses a promise
 | Promise<[GeomagneticResponse](#geomagneticresponse)> | Promise used to return the geomagnetic field.|
 
 **Example** 
-
   ```js
   const promise = sensor.getGeomagneticField({latitude:80, longitude:0, altitude:0}, 1580486400000);
       promise.then((data) => {
@@ -1936,7 +1901,7 @@ Obtains the angle change between two rotation matrices. This API uses a callback
       }
       console.info("SensorJsAPI--->Successed to get  getAngleModifiy interface get data: " + data.x);
       for (var i=0; i < data.length; i++) {
-          console.info(LABEL + "data[" + i + "]: " + data[i]);
+          console.info("data[" + i + "]: " + data[i]);
       }
   })
   ```
@@ -1970,10 +1935,10 @@ Obtains the angle change between two rotation matrices. This API uses a promise
       promise.then((data) => {
           console.info('getAngleModifiy_promise success');
           for (var i=0; i < data.length; i++) {
-              console.info(LABEL + "data[" + i + "]: " + data[i]);
+              console.info("data[" + i + "]: " + data[i]);
           }
       }).catch((reason) => {
-          console.info(LABEL + "promise::catch", reason);
+          console.info("promise::catch", reason);
   })
   ```
 
@@ -2004,7 +1969,7 @@ Converts a rotation vector into a rotation matrix. This API uses a callback to r
       }
       console.info("SensorJsAPI--->Successed to get createRotationMatrix interface get data: " + data.x);
       for (var i=0; i < data.length; i++) {
-          console.info(LABEL + "data[" + i + "]: " + data[i]);
+          console.info("data[" + i + "]: " + data[i]);
       }
   })
   ```
@@ -2037,10 +2002,10 @@ Converts a rotation vector into a rotation matrix. This API uses a promise to re
       promise.then((data) => {
           console.info('createRotationMatrix_promise success');
           for (var i=0; i < data.length; i++) {
-              console.info(LABEL + "data[" + i + "]: " + data[i]);
+              console.info("data[" + i + "]: " + data[i]);
           }
       }).catch((reason) => {
-          console.info(LABEL + "promise::catch", reason);
+          console.info("promise::catch", reason);
   })	
   ```
 
@@ -2071,7 +2036,7 @@ Converts a rotation vector into a quaternion. This API uses a callback to return
       }
       console.info("SensorJsAPI--->Successed to get  createQuaternion interface get data: " + data.x);
       for (var i=0; i < data.length; i++) {
-          console.info(LABEL + "data[" + i + "]: " + data[i]);
+          console.info("data[" + i + "]: " + data[i]);
       }
   })
   ```
@@ -2136,7 +2101,7 @@ Obtains the device direction based on the rotation matrix. This API uses a callb
                         err.message);
           return;
       }
-      console.info("SensorJsAPI--->Successed to get getDirection interface get data: " + data.x);
+      console.info("SensorJsAPI--->Successed to get getDirection interface get data: " + data);
       for (var i = 1; i < data.length; i++) {
           console.info("sensor_getDirection_callback" + data[i]);
       }
@@ -2169,7 +2134,7 @@ Obtains the device direction based on the rotation matrix. This API uses a promi
   ```js
   const promise = sensor.getDirection([1, 0, 0, 0, 1, 0, 0, 0, 1]);
       promise.then((data) => {
-          console.info('sensor_getAltitude_Promise success', data.x);
+          console.info('sensor_getAltitude_Promise success', data);
           for (var i = 1; i < data.length; i++) {
               console.info("sensor_getDirection_promise" + data[i]);
           }
@@ -2240,7 +2205,7 @@ Creates a rotation matrix based on the gravity vector and geomagnetic vector. Th
       promise.then((data) => {
           console.info('createRotationMatrix_promise successed');
           for (var i=0; i < data.length; i++) {
-              console.info(LABEL + "data[" + i + "]: " + data[i]);
+              console.info("data[" + i + "]: " + data[i]);
           }
       }).catch((err) => {
           console.info('promise failed');
diff --git a/en/application-dev/reference/apis/js-apis-system-prompt.md b/en/application-dev/reference/apis/js-apis-system-prompt.md
index f894715391f015cbd67ecf913a7923c00d4e78e1..08171b3ef72c0b58c7d1d86c23ac5be87c0a3deb 100644
--- a/en/application-dev/reference/apis/js-apis-system-prompt.md
+++ b/en/application-dev/reference/apis/js-apis-system-prompt.md
@@ -1,6 +1,6 @@
 # Prompt
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
+> **NOTE**
 >
 > - The APIs of this module are no longer maintained since API version 8. You are advised to use ['@ohos.prompt](js-apis-prompt.md)' instead.
 >
@@ -11,7 +11,7 @@
 ## Modules to Import
 
 
-```
+```js
 import prompt from '@system.prompt';
 ```
 
@@ -31,7 +31,7 @@ Shows the toast.
 
 **Example**
 
-```
+```js
 export default {    
   showToast() {        
     prompt.showToast({            
@@ -60,7 +60,7 @@ Shows the dialog box.
 
 **Example**
 
-```
+```js
 export default {    
   showDialog() {       
     prompt.showDialog({           
@@ -73,7 +73,7 @@ export default {
          },            
        ],            
        success: function(data) {                
-         console.log('dialog success callback, click button : ' + data.index);           
+         console.log('dialog success callback, click button : ' + data.index);            
        },            
        cancel: function() {                
          console.log('dialog cancel callback');            
@@ -100,7 +100,7 @@ Shows the action menu.
 
 **Example**
 
-```
+```js
 export default {    
   showActionMenu() {        
     prompt.showActionMenu({            
@@ -115,11 +115,11 @@ export default {
            color: '#000000',                
         },            
       ],            
-      success: function(data) {                
-        console.log('dialog success callback, click button : ' + data.tapIndex);           
+      success: function(tapIndex) {                
+        console.log('dialog success callbackŁ¬click button : ' + tapIndex);            
       },            
-      fail: function(data) {                
-        console.log('dialog fail callback' + data.errMsg);            
+      fail: function(errMsg) {                
+        console.log('dialog fail callback' + errMsg);            
       },       
     });    
   }
diff --git a/en/application-dev/reference/apis/js-apis-system-router.md b/en/application-dev/reference/apis/js-apis-system-router.md
index a93ffdfa68f6406c6290221d4c5fe757fd7c906b..0f1f932efe54af1337ce19354d19343b6f637687 100644
--- a/en/application-dev/reference/apis/js-apis-system-router.md
+++ b/en/application-dev/reference/apis/js-apis-system-router.md
@@ -1,6 +1,6 @@
 # Page Routing
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
+> **NOTE**
 >
 > - The APIs of this module are no longer maintained since API version 8. You are advised to use [`@ohos.router`](js-apis-router.md) instead.
 >
@@ -11,7 +11,7 @@
 ## Modules to Import
 
 
-```
+```js
 import router from '@system.router';
 ```
 
@@ -31,7 +31,7 @@ Navigates to a specified page in the application.
 
 **Example**
 
-```
+```js
 // Current page
 export default {
   pushPage() {
@@ -49,7 +49,7 @@ export default {
 ```
 
 
-```
+```js
 // routerpage2 page
 export default {
   data: {
@@ -85,7 +85,7 @@ Replaces the current page with another one in the application and destroys the c
 
 **Example**
 
-```
+```js
 // Current page
 export default {
   replacePage() {
@@ -100,7 +100,7 @@ export default {
 ```
 
 
-```
+```js
 // detail page
 export default {
   data: {
@@ -128,7 +128,7 @@ Returns to the previous page or a specified page.
 
 **Example**
 
-```
+```js
 // index page
 export default {    
   indexPushPage() {        
@@ -140,7 +140,7 @@ export default {
 ```
 
 
-```
+```js
 // detail page
 export default {    
   detailPushPage() {        
@@ -152,7 +152,7 @@ export default {
 ```
 
 
-```
+```js
 // Navigate from the mall page to the detail page through router.back().
 export default {    
   mallBackPage() {        
@@ -162,7 +162,7 @@ export default {
 ```
 
 
-```
+```js
 // Navigate from the detail page to the index page through router.back().
 export default {    
   defaultBack() {        
@@ -172,7 +172,7 @@ export default {
 ```
 
 
-```
+```js
 // Return to the detail page through router.back().
 export default {    
   backToDetail() {        
@@ -208,7 +208,7 @@ Clears all historical pages in the stack and retains only the current page at th
 
 **Example**
 
-```
+```js
 export default {    
   clearPage() {        
     router.clear();    
@@ -232,7 +232,7 @@ Obtains the number of pages in the current stack.
 
 **Example**
 
-```
+```js
 export default {     
   getLength() {        
     var size = router.getLength();        
@@ -257,7 +257,7 @@ Obtains state information about the current page.
 
 **Example**
 
-```
+```js
 export default {     
   getState() {        
     var page = router.getState();
@@ -284,7 +284,7 @@ Enables the display of a confirm dialog box before returning to the previous pag
 
 **Example**
 
-```
+```js
 export default {    
   enableAlertBeforeBackPage() {        
     router.enableAlertBeforeBackPage({            
@@ -292,8 +292,8 @@ export default {
       success: function() {                
         console.log('success');            
       },            
-      fail: function() {                
-        console.log('fail');            
+      cancel: function() {                
+        console.log('cancel');            
       },        
     });    
   }
@@ -316,15 +316,15 @@ Disables the display of a confirm dialog box before returning to the previous pa
 
 **Example**
 
-```
+```js
 export default {    
   disableAlertBeforeBackPage() {        
     router.disableAlertBeforeBackPage({            
       success: function() {                
         console.log('success');            
       },            
-      fail: function() {                
-        console.log('fail');            
+      cancel: function() {                
+        console.log('cancel');            
       },        
     });    
   }