//获取 时间组
 public DateTime GetBaseDatetime(EBaseDatetimeKey key)
 {
     if (DictBaseDatetime.TryGetValue((int)key, out var value))
     {
         return(value);
     }
     else
     {
         return(new DateTime());
     }
 }
 //修改 时间组
 public DateTime SetBaseDatetime(EBaseDatetimeKey key, DateTime value)
 {
     DictBaseDatetime[(int)key] = value;
     return(value);
 }