add gitignore by zc
Merge branch 'master' of https://github.com/chenqi-dut/chuangxin
Merge branch 'master' of https://github.com/chenqi-dut/chuangxin
Merge branch 'master' of https://github.com/chenqi-dut/chuangxin
Merge branch 'master' of https://github.com/chenqi-dut/chuangxin
Merge branch 'master' of https://github.com/chenqi-dut/chuangxin
Merge branch 'master' of https://github.com/chenqi-dut/chuangxin
Merge branch 'master' of https://github.com/chenqi-dut/chuangxin
Merge branch 'master' of https://github.com/chenqi-dut/chuangxin.git
zc push qiantai1.0