!4 合并主干代码

Merge pull request !4 from Joliu/merge_2020_06_16
3 jobs for master
Status Job ID Name Coverage
  Build
failed #7
build

 
  Test
skipped #9
allowed to fail
code_quality
failed #8
test

 
Name Stage Failure
failed
build Build There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log
failed
test Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log