解决方法
在/usr/local/nginx/conf/nginx.conf 配置文件中插入charset utf-8;或者charset 'utf-8';
server {
        listen       80;
        server_name  localhost;

        charset utf-8;          

        #access_log  logs/host.access.log  main;

        location / {
            root   html;
            index  index.html index.htm;
        }

或者

server {
        listen       80;
        server_name  localhost;

        charset 'utf-8';          

        #access_log  logs/host.access.log  main;

        location / {
            root   html;
            index  index.html index.htm;
        }
重新加载配置文件
/usr/local/nginx/sbin/nginx -s reload

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