我的USB 51程序有问题

我的USB 51 程序通不过WINDOWS的发现，
打印输出的信息如下，大家看看是什么问题？

usb reconnect...
Request:GET_DESCRIPTOR ->device
Request:SET_ADDRESS ->address:2
Request:GET_DESCRIPTOR ->device
Request:GET_DESCRIPTOR ->config
Request:GET_DESCRIPTOR ->device
Request:SET_ADDRESS ->address:2
Request:GET_DESCRIPTOR ->device
Request:GET_DESCRIPTOR ->config
Request:GET_DESCRIPTOR ->device
Request:SET_ADDRESS ->address:2
Request:GET_DESCRIPTOR ->device
Request:GET_DESCRIPTOR ->config