backport basic refactor from PR#100#103

Merged

yebai merged 4 commits intomasterfrom

Jan 6, 2022

Commits on Jan 5, 2022

back port basic refactor from PR#100
KDr2
committed
remove unused code, and some minor changes
KDr2
committed
move increase_counter
KDr2
committed
minor update
KDr2
committed