Why sometimes ten thousand customers can't get in?

Ten thousand passengers can't get on the clock because of the bad signal. If the cell phone signal is weak or there is no signal, you can't log in normally. You can try again at another location. Wanke is a multi-terminal communication and cooperation platform built by Wangu Technology Co., Ltd. for small and medium-sized enterprises, which provides PC version and mobile phone version, and supports file transfer between mobile phone and computer.