在nginx.conf文件添加配置：
client_max_body_size 99m;
keepalive_timeout 6500;（修改上传时间）
location /csp_resources {
#root html;
#index index.html index.htm;
root html;
set $img_width2 9999;
set $img_height2 9999;
if ($request_filename ~ (.*)_([0-9]+)x([0-9]+).jpg){
set $img_width2 $2;
set $img_height2 $3;
rewrite ^(.*)_([0-9]+)x([0-9]+).jpg$ $1 break;
}
image_filter resize $img_width2 $img_height2;
image_filter_buffer 10M;
error_page 415 = /empty;
}
location / {
proxy_pass http://127.0.0.1:8080;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $host:9998;
#root html;
#index index.html index.htm;
}