tree 84ce7c0dadbffff62ede6ba76428c036922e71e1
parent 0168c019804c700c6fe050d05af2d605c42c9e56
author kezhenxu94 <kezhenxu94@163.com> 1548125786 +0800
committer min <z82507200@gmail.com> 1548125786 +0800

remove unused imports (#265)

* remove unused imports

* extract frequently created object to field