回退merge后未做操作的代码
git log
commit 7e0a18d0e991367efe2a28034e974b85478078f1 (HEAD -> release)
Merge: c78bd38 58df3c1
Author: xxxx
commit c78bd389dbeb61ead2c2c65c48ec2e3408a0dcf0 (origin/release)
Author: xxxx
回退到(origin/release)版本
git reset --hard c78bd389dbeb61ead2c2c65c48ec2e3408a0dcf0