E325: ATTENTION
Found a swap file by the name ".Nginx.conf.swp"
owned by: root dated: Fri Nov 1 18:42:48 2019
file name: /usr/local/Nginx/conf/Nginx.conf
modified: YES
user name: root host name: VM_0_2_centos
process ID: 2990 (still running)
While opening file "Nginx.conf"
dated: Fri Nov 1 19:14:48 2019
NEWER than swap file!
原因：可能是由于上一次在编辑Nginx.conf时，文件没有退出就直接（强行）重启或关机造成的，产生.Nginx.conf.swp文件。
解决方法：在Nginx.conf文件所在的目录，执行ls -a，会发现该文件，删除该文件 # rm /usr/local/Nginx/conf/.Nginx.conf.swp
