private async Task<DB> GetUserInfoDB()
{
if (_userInfoDb == null)
{
_userInfoDb = await DB.CreateAsync(userInfoDbPath, DBCreateFlags.None, ushort.MaxValue - 100,
new DBKey[] { new DBKey(8, 0, DBKeyFlags.KeyValue, "default", true, false, false, 0) });
}
return _userInfoDb;
}