音视频质量默认值设置，saas返回的值是0-5

@@ -28,7 +28,7 @@ import MediaModule from 'apes/MediaModule';
 import UTF8 from 'utf-8';
 
 let loger = Loger.getLoger('McuClient');
-let _sdkInfo = {"version": "v1.21.1.201705017", "author": "www.3mang.com"};
+let _sdkInfo = {"version": "v1.21.2.201705017", "author": "www.3mang.com"};
 
 //APE
 let _sass;