合服务器端、客户端、升级调用程序为一体的音乐播放器网络小程序，采用TCP可靠传输，实现增量升级，并且以增量包以压缩文件的形式传输，客户端自行调用相关函数对其解压-The network applet aggregate server-side, client, upgrade calling program as one of the music player, using TCP reliable transmission to achieve incremental upgrade, and