more_set_input_headers does not take effect

[weiguorong]

server { listen 80; listen [::]:80; server_name localhost;

#access_log  /var/log/nginx/host.access.log  main;
location / {
    more_set_input_headers 'Host: mybo';
    
    root   /usr/share/nginx/html;
    index  index.html index.htm;
}
#error_page  404              /404.html;

# redirect server error pages to the static page /50x.html
#
error_page   500 502 503 504  /50x.html;
location = /50x.html {
    root   /usr/share/nginx/html;
}

# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
#    proxy_pass   http://127.0.0.1;
#}

# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
#location ~ \.php$ {
#    root           html;
#    fastcgi_pass   127.0.0.1:9000;
#    fastcgi_index  index.php;
#    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
#    include        fastcgi_params;
#}

# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
#    deny  all;
#}

}

curl -v http://127.0.0.1:8088/

• Trying 127.0.0.1:8088...
• Connected to 127.0.0.1 (127.0.0.1) port 8088

GET / HTTP/1.1 Host: 127.0.0.1:8088 User-Agent: curl/8.4.0 Accept: /

[weiguorong]

more_set_headers is used correctly

[weiguorong]

nginx version is 1.20.2 Do you support?

[weiguorong]