谁能说说这个添加enum字段的详细问题

从后台添加enum字段，一直提示错误，能不能有个详细的参考资料img[https://funcdn.funadmin.com/storage/uploads/20230506/edb610a24478aee0fa6dcf831b262630.jpg] img[https://funcdn.funadmin.com/storage/uploads/20230506/7f80d2c719bdf92fcbb1a1fdb0601882.png]