This is an old revision of the document!
修改Nginx参数,设置client_max_body_size为较大的值,例如100M。例如ubuntu系统中,修改/etc/nginx/nginx.conf文件,在http节点中,增加client_max_body_size 100M;
https://stackoverflow.com/questions/58849039/wordpress-image-upload-time-error-post-processing-of-the-image-failed
https://stackoverflow.com/questions/28476643/default-nginx-client-max-body-size
How do I change the WordPress Site URL?