Php 火山口表单无法加载资源

我将我的服务器升级到Ubuntu18、PHP7.2、Nginx，除了caldera表单之外，一切正常。当我编辑表单时，它总是显示出来

Failed to load resource: net::ERR_INCOMPLETE_CHUNKED_ENCODING admin.php?page=caldera-forms:1 

但在我的旧服务器中，它工作得很顺利

这是我的新服务器的Nginx配置

server {
    listen 80;
    listen [::]:80;
    root /var/www/html/wordpress;
    index index.php index.html index.htm;

    server_name mydomin.com;

    error_log /var/log/nginx/error.log;
    access_log /var/log/nginx/access.log;

    #client_max_body_size 100M;
    location / {
            try_files $uri $uri/ /index.php$is_args$args;
    }

    location = /favicon.ico { log_not_found off; access_log off; }
    location = /robots.txt { log_not_found off; access_log off; allow all; }

    location ~* \.(css|gif|ico|jpeg|jpg|js|png)$ {
            expires max;
            log_not_found off;
    }

    location ~ \.php$ {
            include snippets/fastcgi-php.conf;
            fastcgi_pass unix:/run/php/php7.2-fpm.sock;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    }

---

}

你有没有找到解决办法。我也有同样的问题