@hawkeye64 hello my friend, your url is bad now. can you send it again,thank you sooooooooo much!

@kevinyang hello, my friend! I have met the some problem . Now i need a multiple header table, but i have no idea about this, can you tell what to do? Thank you a lot!
老铁，我看了你的名字，我相信你能看懂下面这段话：我也想搞一个多级表头的table，但是我不会，又打不过产品经理，所以你能告诉小弟怎么做的吗？谢谢！