update readme
update readme

Signed-off-by: Xianglin Gao <00a571ac8ddd3963cc462d599f31485154f37126@zju.edu.cn>

Jimmy-Xu/hypercli,Jimmy-Xu/hypercli,hyperhq/hypercli,Jimmy-Xu/hypercli,hyperhq/hypercli,hyperhq/hypercli