1, cache garbage, too many running programs: empty the software cache or empty the memory.
2. Compatibility between systems: Some softwares have certain requirements for mobile phone systems. If the system version is too low and the software does not support it, it will flash back.
A detailed explanation of the causes of calligraphy flashback
3, network speed problem: replace a smoother network.
4, the application version itself: the latest version, if it still flashes back, wait for about ten minutes before entering (version debugging, will be repaired soon).