Sample code modification

Signed-off-by: Njiao_yanlin <jiaoyanlin@huawei.com>

zh-cn/application-dev/media/audio-routing-manager.md

@@ -8,7 +8,7 @@ AudioRoutingManager提供了音频路由、设备管理的方法。开发者可
 
 该模块提供了路由、设备管理模块常用接口
 
-**图1** 音量管理常用接口
+**图1** 路由、设备管理常用接口
 
 ![zh-ch_image_audio_routing_manager](figures/zh-ch_image_audio_routing_manager.png)
 

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

@@ -3819,8 +3819,8 @@ selectOutputDeviceByFilter(filter: AudioRendererFilter, outputAudioDevices: Audi
 let outputAudioRendererFilter = {
   uid : 20010041,
   rendererInfo : {
-    contentType : audio.ContentType.CONTENT_TYPE_MUSIC,
-    streamUsage : audio.StreamUsage.STREAM_USAGE_MEDIA,
+    content : audio.ContentType.CONTENT_TYPE_MUSIC,
+    usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
     rendererFlags : 0 },
   rendererId : 0 };
   
@@ -3877,8 +3877,8 @@ selectOutputDeviceByFilter(filter: AudioRendererFilter, outputAudioDevices: Audi
 let outputAudioRendererFilter = {
   uid : 20010041,
   rendererInfo : {
-    contentType : audio.ContentType.CONTENT_TYPE_MUSIC,
-    streamUsage : audio.StreamUsage.STREAM_USAGE_MEDIA,
+    content : audio.ContentType.CONTENT_TYPE_MUSIC,
+    usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
     rendererFlags : 0 },
   rendererId : 0 };