低微漏洞：在nginx配置文件做设置（/etc/nginx/conf.d）
add_header Content-Security-Policy "default-src 'self' 'unsafe-inline' 'unsafe-eval' blob: data: ;";
add_header X-Xss-Protection "1;mode=block";
add_header X-Content-Type-Options nosniff;
add_header X-Frame-Options DENY;