There is something wrong with the mobile phone itself. After Apple 6 upgrades the latest iOS system, most of them will compare cards, which may be caused by the system;
Network problems, if you use your own traffic, if the network signal is not good, you will get stuck; If you connect with WiFi, it may be your broadband problem and the network is poor;
The problem of beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep. If the above two factors are excluded, that is, too many people visit this video page at the same time, causing congestion;