bind() to 0.0.0.0:80 failed (10013: An attempt was
https://blog.csdn.net/qq_34412985/article/details/110929214
80端口被system(pid=4)占用的解决方法
https://blog.csdn.net/zhang8907xiaoyue/article/details/78982612
发现关闭SQL Server Reporting Services (MSSQLSERVER)服务后,nginx可以正常访问了!!!!!!!