Help for Aimeos

I want to register account on http://laravel.demo.aimeos.org, and get admin account contrast my project. When I submit the register form, has the error message.

The link https://lebesgue.localhost/admin/default/jqadm/search/product?lang=zh has jsonadm, this webpage displays well https://i.imgur.com/2iXUBMj.png https://i.imgur.com/CWeZN5h.png https://i.imgur.com/I7QnNxQ.png The link https://lebesgue.localhost/admin/default/jqadm/search/catalog?lang=zh has js...

This is the log of my web server.


The "Log" panel of the admin interface don't have log related to the JSON requests.

In the network tab, I don't see the JSON response.

But I haven't change this code and response data. I don't know why look like that.

response access-control-request-headers: x-socket-id cache-control: no-cache, private content-encoding: gzip content-type: text/html; charset=UTF-8 date: Thu, 19 Sep 2019 02:00:20 GMT server: nginx/1.13.5 set-cookie: XSRF-TOKEN=eyJpdiI6IkRpNTBrZ2VIY2tBSm9NSHpFK1gzeGc9PSIsInZhbHVlIjoiZVVOekd2a1VVNTlW...

The browser is returned 200. response access-control-allow-credentials: true access-control-allow-headers: origin, content-type, accept,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type access-control-allow-methods: POST, GET, PUT, DELETE, PATCH, ...

I want to change https://localhost/list language, ex: English to Chinese. But I can't find how to change.

I fix OPTIONS requests 500 error, but category list is still empty. nginx location / { if ($request_method = OPTIONS ) { add_header Access-Control-Allow-Origin "*"; add_header Access-Control-Allow-Methods "POST, GET, PUT, DELETE, PATCH, OPTIONS"; add_header Access-Control-Allow-H...