https://abp.io/support/questions/9767/The-abp-permission-cache-PermissionGrants-loads-very-slowly-during-the-first-login-but-very-quickly-during-the-second-login-When-the-permission-cache-is-manually-cleared-it-slows-down-again# 通过修改源码,添加耗时日志,发现权限在慢主要是这个函数 PermissionStore.SetCacheItemsAsync