MySQL create table

CREATE TABLE IF NOT EXISTS user_info_vip 
( id int primary KEY AUTO_INCREMENT COMMENT ' Self increasing ID',
  uid int unique not null COMMENT ' user ID',
 nick_name varchar(64)  COMMENT ' nickname ',
 achievement int DEFAULT 0 COMMENT ' Achievement value ',
 level int COMMENT ' User level ',
 job varchar(32) COMMENT ' Career direction ',
 register_time datetime  default current_timestamp COMMENT ' Registration time '
 
) DEFAULT CHARSET=UTF8;