Nginx reverse proxy experiences static file 404 exception handling

Website A nginx reverse proxy website B. The problem is that the static address access path of website B is /static/style/
This will cause static file access to become A website domain name/static/style/ actually belongs to B website, so 404 appears

I use /gongju/ as the reverse proxy to identify
A website nginx reverse proxy is modified as follows

location ^~ /gongju/ {
    proxy_pass         http://Website B/;    proxy_set_header   Host $host;
    proxy_set_header   X-Real-IP $remote_addr;
    proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header   X-Forwarded-Proto $scheme;

    # Fix redirect paths    proxy_redirect ~^/(.*)$ /gongju/$1;

    sub_filter_once off;
    sub_filter_types *;

    # 1. HTML/JS/CSS Common Path Formats    sub_filter '="/'        '="/gongju/';
    sub_filter "='/"        "='/gongju/";
    sub_filter 'url(/'      'url(/gongju/';
    sub_filter 'url("/'     'url("/gongju/';
    sub_filter "url('/"     "url('/gongju/";
    sub_filter 'src="/'     'src="/gongju/';
    sub_filter "src='/"     "src='/gongju/";
    sub_filter 'href="/'    'href=" rel="external nofollow" /gongju/';
    sub_filter "href='/"    "href='/gongju/";
    sub_filter 'action="/'  'action="/gongju/';
    sub_filter "action='/"  "action='/gongju/";

    # 2. Strings that splice paths in JS    sub_filter '"/api'      '"/gongju/api';
    sub_filter "'/api"      "'/gongju/api";
    sub_filter '"/static'   '"/gongju/static';
    sub_filter "'/static"   "'/gongju/static";

    # 3. Hard-coded link in the backend return    sub_filter 'http://B website' '$scheme://$host/gongju';}

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