ai说可能是nginx限制的问题，但是改了配置也还是一样啊？
server {
server_name webdav.xyz;

# 根目录（指向 qBittorrent 下载目录）root /home/qbittorrent/Downloads;# 不限制上传大小client_max_body_size 0;client_body_temp_path /home/qbittorrent/cache;client_body_timeout 3600s;send_timeout 3600s;keepalive_timeout 3600s;# WebDAV 主配置location / {    # WebDAV 支持的方法    dav_methods PUT DELETE MKCOL COPY MOVE;    dav_ext_methods PROPFIND OPTIONS LOCK UNLOCK;    # 自动创建目录    create_full_put_path on;    # 显示目录列表    autoindex on;    # 临时文件目录    # ======= WebDAV 账号密码认证 =======    auth_basic "WebDAV Login";    auth_basic_user_file /etc/nginx/webdav_passwd;    # ==================================    # 允许跨域（方便客户端使用）    add_header Access-Control-Allow-Origin *;    add_header Access-Control-Allow-Methods 'GET, PUT, POST, DELETE, MKCOL, PROPFIND, OPTIONS, MOVE, COPY';    add_header Access-Control-Allow-Headers '*';}listen 443 ssl; # managed by Certbotssl_certificate /etc/letsencrypt/live/bt.xyz/fullchain.pem; # managed by Certbotssl_certificate_key /etc/letsencrypt/live/bt.xyz/privkey.pem; # managed by Certbotinclude /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbotssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

}
server {
if ($host = webdav..xyz) {
return 301 https://$host$request_uri;
} # managed by Certbot

listen 80;server_name webdav..xyz;return 404; # managed by Certbot

}