skywalkinglog skywalking 和log4j结合 参考 https://blog.csdn.net/Kevin_King1992/article/details/106548202?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-2.channel_param&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-2.channel_param