同步操作将从 openEuler/qemu 强制同步，此操作会覆盖自 Fork 仓库以来所做的任何修改，且无法恢复！！！
确定后同步将在后台操作，完成时将刷新页面，请耐心等待。
v6.1.0 release
v6.1.0-rc4 release
openEuler-20.03-LTS-SP2
v6.1.0-rc3 release
v6.1.0-rc2 release
v6.1.0-rc1 release
v6.1.0-rc0 release
v6.0.0 release
v6.0.0-rc5 release
v6.0.0-rc4 release
v6.0.0-rc3 release
v6.0.0-rc2 release
v6.0.0-rc1 release
v6.0.0-rc0 release
v5.2.0 release
v5.2.0-rc4 release
v5.2.0-rc3 release
v5.2.0-rc2 release
v5.2.0-rc1 release
v5.2.0-rc0 release
