待补充
参考：
https://www.sxfblog.com/index.php/archives/568.html
https://odoo.net.cn/topic/5363/odoo12-%E4%B8%AD%E5%9C%A8tree%E8%A7%86%E5%9B%BE%E4%B8%AD%E6%96%B0%E5%A2%9E%E8%87%AA%E5%AE%9A%E4%B9%89%E6%8C%89%E9%92%AE/2
https://www.bbsmax.com/A/Ae5RKXVNdQ/
https://www.cnblogs.com/ljwTiey/p/13494595.html