Webdav - cannot write anything

How to get webdav working? can read, not write.

config:

{

  services.webdav = {
    enable = true;
    settings = {
      address = "127.0.0.1";  # Bind only to localhost for Traefik
      port = 58081;  # WebDAV service port
      scope = "/zfs/obsidian";  # Directory served via WebDAV
      modify = true;  # Allow write operations
      auth = true;  # Enable authentication
      logLevel = "debug"; 
      users = [
        {
          username = "xxx";
          password = "xxx";
        }
      ];
    };
  };

  # Create the WebDAV directory and set permissions
  systemd.tmpfiles.rules = [
    "d /zfs/obsidian 0775 1000 1000 -"
  ];

  # Configure Traefik reverse proxy
  services.traefik.dynamicConfigOptions = {
    http.routers.webdav = {
      entryPoints = [ "http" ];  # Use "websecure" for HTTPS
      rule = "Host(`webdav.local`)";
      service = "webdav";
    };
    http.services.webdav.loadBalancer.servers = [
      { url = "http://127.0.0.1:58081"; }  # Match the WebDAV port
    ];
  };
}


test:

curl -v -u xxx:xxx -X MKCOL http://webdav.local/zfs/obsidian/new

result:
< HTTP/1.1 403 Forbidden