add missing link (#2294)
add missing link (#2294)

* add missing link

* refinement

* fix upper case

yiheng/BigDL,zhangxiaoli73/BigDL,i8run/BigDL-1,yiheng/BigDL,wzhongyuan/BigDL,zhangxiaoli73/BigDL,wzhongyuan/BigDL,wzhongyuan/BigDL,yiheng/BigDL,i8run/BigDL-1,zhangxiaoli73/BigDL,i8run/BigDL-1