fix: CentOS 仓库失效

Author: MemoryShadow

.github/workflows/main.yml

@@ -86,6 +86,7 @@ jobs:
           mkdir -p ${pwd_path}/packages
           docker run -itd -v ${pwd_path}:${pwd_path} --name centos7Instance --net="host" docker.io/centos:7 /bin/bash
           echo install rpmdevtools ing...
+          docker exec -t centos7Instance curl -so /etc/yum.repos.d/CentOS-Base.repo https://mirrors.wlnmp.com/centos/Centos7-aliyun-x86_64.repo
           docker exec -t centos7Instance yum install -y rpmdevtools>/dev/null
           echo install rpmdevtools Finish.
           work_path="${pwd_path}/build/rpm/"