解决：#I2CQ2C:webhook触发构建时500
解决兼容升级操作未生效导致构建指令过滤NPE，重新执行兼容操作，过滤增加NPE判断
git checkout master
git pull https://gitee.com/oschina/Gitee-Jenkins-Plugin.git 1.2.4
git push origin master
