session token cookie详解
https://juejin.im/post/5e055d9ef265da33997a42cc
https://mp.weixin.qq.com/s?__biz=MzAwNjI5MTYyMw==&mid=2651498187&idx=1&sn=14f9eb9c233fa3cd9c18ea90f0ae4c72&chksm=80f1af03b78626155a34bb81b7fc7a23bae239fe6ccc5a5306b159f2be7f29a3eb546b6a2edd&mpshare=1&scene=1&srcid=&sharer_sharetime=1581297799716&sharer_shareid=4ff1b35980ee4afd07c11429b858002e#rd