tree be4eaf8f1b4dd87dabe733a36912bdf7dc490f26
parent bd9bfb6847d36105b8b766b77479731dea2e71f4
author Hao Zhu <haozhu233@gmail.com> 1597002050 -0400
committer Hao Zhu <haozhu233@gmail.com> 1597002050 -0400

removed duplicated code and updated news