/// <summary>
 /// 返回 hash 中的所有值
 /// </summary>
 /// <param name="redisKey"></param>
 /// <returns></returns>
 public async Task <IEnumerable <RedisValue> > HashValuesAsync(string redisKey)
 {
     redisKey = GetKeyForRedis(redisKey);
     return(await _database.HashValuesAsync(redisKey));
 }