/// <summary>
 /// 自增
 /// </summary>
 /// <param name="key"></param>
 /// <param name="hashField"></param>
 /// <param name="incrementStep"></param>
 /// <returns></returns>
 public long HashIncrement(string key, string hashField, int incrementStep = 1)
 {
     return(_client.HIncrBy(key, hashField, incrementStep));
 }