如何使用（13：权限被拒绝）解决重命名（）上的 Nginx dav PUT 请求失败？

当尝试PUT在现有文件夹的根目录中创建 index.html 文件时，nginx 失败并显示：

[crit] 1181#0: *1 rename() "/opt/spool/nginx/client_temp/1/0000000001"
to "/opt/share/www/domain.tld/index.html-3hlCQ9iE" failed (13:
Permission denied), client: 1.2.3.9, server: host.domain.tld, request:
"PUT /www/domain.tld/index.html-3hlCQ9iE HTTP/1.1", host: "172.21.2.2"

环境

• 使用来自repo 的nginx-extras1.13.6-1 。entware-3x
• 在 Padavan 固件上运行。

• $ grep www-rw /etc/passwd
  www-rw:x:1000:1001:Linux User,,,:/opt/share/www:/bin/sh
  
  $ grep www-w /etc/group
  www-w:x:1001:
  
  $ ls -l /opt/share/www
  drw-rw-r--    2 www-rw   www-w         4096 Feb  9 13:51 domain.tld
  
  $ ls -al /opt/share/www/domain.tld
  drw-rw-r--    2 www-rw   www-w         4096 Feb  9 13:51 .
  drwxr-xr-x    4 www-rw   www-w         4096 Feb  9 13:51 ..
  
  $ ls -l /opt/spool/nginx
  drwxrwxrwx    7 www-rw   root          4096 Feb  9 22:46 client_temp
  
  $ ls -l /opt/spool/nginx/client_temp
  drwx------    2 www-rw   www-w         4096 Feb  9 22:28 5
  

• 客户：Cyberduck/6.3.3.27341

• 客户-用户：www-rw

内容nginx.conf

user  www-rw www-w;
server {
    location /www {
        root                  /opt/share;

        client_body_temp_path /opt/spool/nginx/client_temp 1;
        dav_methods PUT DELETE MKCOL COPY MOVE;
        dav_ext_methods PROPFIND OPTIONS;
        # allow creating directories
        create_full_put_path  on;
        dav_access  user:rw  group:r  all:r;
        autoindex   on;
    }
}

回归

• user nobody nogroup;
• dav_access user:rw group:r all:r;
• #autoindex ...
• 客户-用户：admin

我应该修复什么（在权限中？）以解决 Nginx dav 权限被拒绝错误？