[1.在网状态](1.%E5%9C%A8%E7%BD%91%E7%8A%B6%E6%80%81.md) [2.验证方法(在网状态)](2.%E9%AA%8C%E8%AF%81%E6%96%B9%E6%B3%95%E5%9C%A8%E7%BD%91%E7%8A%B6%E6%80%81.md) [3.清除缓存的方式](3.%E6%B8%85%E9%99%A4%E7%BC%93%E5%AD%98%E7%9A%84%E6%96%B9%E5%BC%8F.md)