DOC link invalid

[duduzai2019]

DOC link invalid, Can you send it again?
Doc: https://www.yuque.com/huangzhongqing/eozhay/oy21538c6tau2205（TODO）

[HuangCongQing]

把（TODO） 去掉就行
https://www.yuque.com/huangzhongqing/eozhay/oy21538c6tau2205

[QiaolingXiong]

https://www.yuque.com/huangzhongqing/eozhay/oy21538c6tau2205也无法访问

[HuangCongQing]

https://www.yuque.com/huangzhongqing/eozhay/oy21538c6tau2205也无法访问

https://www.yuque.com/huangzhongqing/eozhay/oy21538c6tau2205?singleDoc# 《code(PCDet):PointPainting》