Signed-off-by: lovechinamo <wangdongqi2@huawei.com>

 Changes to be committed:

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

@@ -84,7 +84,9 @@ upload(config: UploadConfig): Promise<UploadTask>
 **示例：**
   
   ```js
-  request.upload({ url: 'https://patch' }).then((data) => {
+  let file1 = { filename: "test", name: "test", uri: "internal://cache/test.jpg", type: "jpg" };
+  let uploadTask;
+  request.upload({ url: 'https://patch', files:  [file1] }).then((data) => {
       uploadTask = data;
   }).catch((err) => {
       console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
@@ -112,7 +114,9 @@ upload(config: UploadConfig, callback: AsyncCallback<UploadTask>): void
 **示例：**
   
   ```js
-  request.upload({ url: 'https://patch' }, (err, data) => {
+  let file1 = { filename: "test", name: "test", uri: "internal://cache/test.jpg", type: "jpg" };
+  let uploadTask;
+  request.upload({ url: 'https://patch', files:  [file1] }, (err, data) => {
       if (err) {
           console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
           return;
@@ -385,6 +389,7 @@ download(config: DownloadConfig): Promise<DownloadTask>
 **示例：**
   
   ```js
+  let downloadTask;
   request.download({ url: 'https://xxxx/xxxx.hap' }).then((data) => {
       downloadTask = data;
   }).catch((err) => {
@@ -413,6 +418,7 @@ download(config: DownloadConfig, callback: AsyncCallback<DownloadTask>): v
 **示例：**
   
   ```js
+  let downloadTask;
   request.download({ url: 'https://xxxx/xxxxx.hap', 
   filePath: 'xxx/xxxxx.hap'}, (err, data) => {
       if (err) {
@@ -456,6 +462,7 @@ on(type: 'progress', callback:(receivedSize: number, totalSize: number) => vo
 **示例：**
   
   ```js
+  let downloadTask;
   request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
       if (err) {        
           console.error('Failed to request download. Cause:' + err);
@@ -497,6 +504,7 @@ off(type: 'progress', callback?: (receivedSize: number, totalSize: number) =>
 **示例：**
   
   ```js
+  let downloadTask;
   request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
       if (err) {        
           console.error('Failed to request download. Cause:' + err);
@@ -531,6 +539,7 @@ on(type: 'complete'|'pause'|'remove', callback:() => void): void
 **示例：**
   
   ```js
+  let downloadTask;
   request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
       if (err) {        
           console.error('Failed to request download. Cause:' + err);
@@ -565,6 +574,7 @@ off(type: 'complete'|'pause'|'remove', callback?:() => void): void
 **示例：**
   
   ```js
+  let downloadTask;
   request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
       if (err) {        
           console.error('Failed to request download. Cause:' + JSON.stringify(err));
@@ -605,6 +615,7 @@ on(type: 'fail', callback: (err: number) => void): void
 **示例：**
   
   ```js
+  let downloadTask;
   request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
       if (err) {        
           console.error('Failed to request download. Cause:' + err);
@@ -645,6 +656,7 @@ off(type: 'fail', callback?: (err: number) => void): void
 **示例：**
   
   ```js
+  let downloadTask;
   request.download({ url: 'https://xxxx/xxxx.hap' }, (err, data)=> {    
       if (err) {        
           console.error('Failed to request download. Cause:' + err);

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

@@ -586,6 +586,68 @@ getFile(wallpaperType: WallpaperType): Promise<number>
   ```
 
 
+## wallpaper.getPixelMap
+
+getPixelMap(wallpaperType: WallpaperType, callback: AsyncCallback<image.PixelMap>): void;
+
+获取壁纸图片的像素图。
+
+**需要权限**：ohos.permission.GET_WALLPAPER、ohos.permission.READ_USER_STORAGE
+
+**系统能力**: SystemCapability.MiscServices.Wallpaper
+
+**参数：**
+
+  | 参数名 | 类型 | 必填 | 说明 |
+  | -------- | -------- | -------- | -------- |
+  | wallpaperType | [WallpaperType](#wallpapertype) | 是 | 壁纸类型。 |
+  | callback | AsyncCallback<void> | 是 | 回调函数，调用成功则返回是否移除成功的结果，调用失败则返回error信息。 |
+
+**示例：**
+  
+  ```js
+  wallpaper.getPixelMap(WALLPAPER_SYSTEM, function (err, data) {
+      console.info('wallpaperXTS ===> testGetPixelMapCallbackSystem err : ' + JSON.stringify(err));
+      console.info('wallpaperXTS ===> testGetPixelMapCallbackSystem data : ' + JSON.stringify(data));
+  });
+  ```
+
+
+## wallpaper.getPixelMap
+
+getPixelMap(wallpaperType: WallpaperType): Promise<image.PixelMap>
+
+获取壁纸图片的像素图。
+
+**需要权限**：ohos.permission.GET_WALLPAPER、ohos.permission.READ_USER_STORAGE
+
+**系统能力**: SystemCapability.MiscServices.Wallpaper
+
+**参数：**
+
+  | 参数名 | 类型 | 必填 | 说明 |
+  | -------- | -------- | -------- | -------- |
+  | wallpaperType | [WallpaperType](#wallpapertype) | 是 | 壁纸类型。 |
+
+**返回值：**
+
+  | 类型 | 说明 |
+  | -------- | -------- |
+  | Promise<void> | 调用成功则返回是否移除成功的结果，调用失败则返回error信息。 |
+
+**示例：**
+  
+  ```js
+  wallpaper.getPixelMap(WALLPAPER_SYSTEM).then((data) => {
+      console.info('wallpaperXTS ===> testGetPixelMapPromiseSystem data : ' + data);
+      console.info('wallpaperXTS ===> testGetPixelMapPromiseSystem data : ' + JSON.stringify(data));
+  }).catch((err) => {
+      console.info('wallpaperXTS ===> testGetPixelMapPromiseSystem err : ' + err);
+      console.info('wallpaperXTS ===> testGetPixelMapPromiseSystem err : ' + JSON.stringify(err));
+  });
+  ```
+
+
 ## wallpaper.on('colorChange')
 
 on(type: 'colorChange', callback: (colors: Array<RgbaColor>, wallpaperType: WallpaperType) => void): void