!7877 翻译完成：6668 媒体文档优化

Merge pull request !7877 from wusongqing/TR6668

en/application-dev/reference/apis/js-apis-camera.md

@@ -2103,7 +2103,7 @@ Creates a **PhotoOutput** instance. This API uses an asynchronous callback to re
 
 | Name     | Type                                       | Mandatory| Description                               |
 | --------- | ------------------------------------------- | ---- | ----------------------------------- |
-| surfaceId | string                                      | Yes  | Surface ID received from **ImageReceiver**.  |
+| surfaceId | string                                      | Yes  | Surface ID received from **[ImageReceiver](js-apis-image.md#imagereceiver9)**. |
 | callback  | AsyncCallback<[PhotoOutput](#photooutput)\> | Yes  | Callback used to return the **PhotoOutput** instance.|
 
 **Example**
@@ -2130,7 +2130,7 @@ Creates a **PhotoOutput** instance. This API uses a promise to return the instan
 
 | Name     | Type  | Mandatory| Description                             |
 | --------- | ------ | ---- | --------------------------------- |
-| surfaceId | string | Yes  | Surface ID received from **ImageReceiver**.|
+| surfaceId | string | Yes  | Surface ID received from **[ImageReceiver](js-apis-image.md#imagereceiver9)**. |
 
 **Return value**
 

en/application-dev/reference/apis/js-apis-medialibrary.md

@@ -15,6 +15,8 @@ getMediaLibrary(context: Context): MediaLibrary
 
 Obtains a **MediaLibrary** instance, which is used to access and modify personal media data such as audios, videos, images, and documents.
 
+This API can be used only in the stage model.
+
 **System capability**: SystemCapability.Multimedia.MediaLibrary.Core
 
 **Parameters**
@@ -49,6 +51,8 @@ getMediaLibrary(): MediaLibrary
 
 Obtains a **MediaLibrary** instance, which is used to access and modify personal media data such as audios, videos, images, and documents.
 
+This API can be used only in the FA model.
+
 > **NOTE**
 >
 > This API is no longer maintained since API version 8. You are advised to use [mediaLibrary.getMediaLibrary<sup>8+</sup>](#medialibrarygetmedialibrary8) instead.
@@ -256,17 +260,12 @@ Creates a media asset. This API uses a promise to return the result.
 **Example**
 
 ```
-async function example() {
-    // Create an image file in promise mode.
-    let mediaType = mediaLibrary.MediaType.IMAGE;
-    let DIR_IMAGE = mediaLibrary.DirectoryType.DIR_IMAGE;
-    const path = await media.getPublicDirectory(DIR_IMAGE);
-    media.createAsset(mediaType, "image01.jpg", path + 'myPicture/').then (function (asset) {
-        console.info("createAsset successfully:"+ JSON.stringify(asset));
-    }).catch(function(err){
-        console.info("createAsset failed with error:"+ err);
-    });
-}
+let DIR_CAMERA = mediaLibrary.DirectoryType.DIR_CAMERA;
+media.getPublicDirectory(DIR_CAMERA).then(function(dicResult){
+    console.info("getPublicDirectory successfully:"+ JSON.stringify(dicResult));
+}).catch(function(err){
+    console.info("getPublicDirectory failed with error:"+ err);
+});
 ```
 
 ### getPublicDirectory<sup>8+</sup>
@@ -578,7 +577,7 @@ Starts image preview. This API can be used to preview local images whose URIs st
 
 > **NOTE**
 >
-> This API is deprecated since API version 9. You are advised to use the **\<[Image](../arkui-ts/ts-basic-components-image.md)>** component instead. The **<Image\>** component can be used to render and display local images and network images.
+> This API is deprecated since API version 9. You are advised to use the **\<[Image](../arkui-ts/ts-basic-components-image.md)>** component instead. The **\<Image>** component can be used to render and display local and online images.
 
 **System capability**: SystemCapability.Multimedia.MediaLibrary.Core
 
@@ -620,7 +619,7 @@ Starts image preview, with the first image to preview specified. This API can be
 
 > **NOTE**
 >
-> This API is deprecated since API version 9. You are advised to use the **\<[Image](../arkui-ts/ts-basic-components-image.md)>** component instead. The **<Image\>** component can be used to render and display local images and network images.
+> This API is deprecated since API version 9. You are advised to use the **\<[Image](../arkui-ts/ts-basic-components-image.md)>** component instead. The **\<Image>** component can be used to render and display local and online images.
 
 **System capability**: SystemCapability.Multimedia.MediaLibrary.Core
 
@@ -960,8 +959,8 @@ open(mode: string): Promise&lt;number&gt;
 
 Opens this file asset. This API uses a promise to return the result.
 
-> **NOTE**
-> 
+>  **NOTE**
+>  
 > Currently, the write operations are mutually exclusive. After the write operation is complete, you must call **close** to release the resource.
 
 **Required permissions**: ohos.permission.READ_MEDIA or ohos.permission.WRITE_MEDIA
@@ -1934,13 +1933,11 @@ async function example() {
       extendArgs: "",
     };
     let fetchFileResult = await media.getFileAssets(getImageOp);
-    fetchFileResult.getPositionObject(1, (err, fileAsset) => {
-       if (err) {
-           console.error('Failed ');
-           return;
-       }
-       console.log('fileAsset.displayName : ' + fileAsset.displayName);
-    })
+    fetchFileResult.getPositionObject(1) .then(function (fileAsset){
+        console.log('[Demo] fileAsset.displayName : ' + fileAsset.displayName);
+    }).catch(function (err) {
+        console.info("[Demo] getFileAssets failed with error:" + err);
+    });
 }
 ```