Cylon

用了个烂方法，捕获断线事件，重新登录。

> Hi @cylonchau! Why won't you make the Set contain the actual value instead of a pointer to the value? > > The Set object is designed to allow O(1)...

Thank you @amit7itz I used other unpointer type resoved this problem, but pointer nature so. compare pointer value maybe is the goset point of improvement