Nginx Direction Agent apache how to keep url from changing

due to the needs of the project, the front-end js cannot cross domains, so I use nginx to reverse proxy. Since I am testing locally, I am a windows system. Nginx listens to 8010. Apache listens to 8080. Local hosts 127.0.0.1 mychain.com

nginx is configured as follows

upstream mychain.com 
{
    server 127.0.0.1:8080;
}
server 
{
    listen       80;
    server_name  mychain.com;     
    location / 
    {
        proxy_pass      http://mychain.com;
        proxy_redirect          off;
        proxy_set_header         Host $proxy_host;
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header         X-Scheme $scheme;
    }
}    

apache is configured as follows

<VirtualHost *:8080>
    ServerName mychain.com 
    ServerAlias *.mychain.com
    DocumentRoot c:/www/chain/public
    <Directory  "c:/www/chain/public">
        Options +Indexes +Includes +FollowSymLinks +MultiViews
        AllowOverride All
        Allow from all
    </Directory>
</VirtualHost>

but every time I visit mychain.com , url will automatically jump to localhost:8080
how to prevent url from jumping?

Mar.11,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3e532-2c41c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3e532-2c41c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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