mysql创建表时遇到困难 有好人帮我看看吗

CREATE TABLE wudiwangzhe(
id INT AUTO_INCREMENT,
mingzi varchar(20) NO NULL,
);
我觉得我没有啥问题啊 可是他一直报错
错误代码： 1064
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘no null,
)’ at line 3