问题：
在windows平台下log4j日志输出很多数字，如下：
bash
2019-05-16 13:50:06] [INFO] [System.out] [111]
2019-05-16 13:50:06] [INFO] [System.out] [103]
2019-05-16 13:50:06] [INFO] [System.out] [103]
2019-05-16 13:50:06] [INFO] [System.out] [105]
2019-05-16 13:50:06] [INFO] [System.out] [110]
2019-05-16 13:50:06] [INFO] [System.out] [103]
2019-05-16 13:50:06] [INFO] [System.out] [46]
2019-05-16 13:50:06] [INFO] [System.out] [80]
2019-05-16 13:50:06] [INFO] [System.out] [65]
2019-05-16 13:50:06] [INFO] [System.out] [84]
2019-05-16 13:50:06] [INFO] [System.out] [84]
2019-05-16 13:50:06] [INFO] [System.out] [69]
2019-05-16 13:50:06] [INFO] [System.out] [82]解决办法：
配置启动参数-Dlog4j.skipJansi=true， 禁用 Jansi 库（用于控制台彩色日志输出）。