WE ALSO WANT TO ADD A FIELD CALLED PWD TO STORE THE PASSWORD FIELD (PLEASE CHECK THE TEXTBOX RESERVED WORDS).
WE ALSO WANT TO ADD A FIELD CALLED PWD TO STORE THE PASSWORD FIELD (PLEASE CHECK THE TEXTBOX RESERVED WORDS).
我们可能还需要增加一个域PWD来储存密码域（请检查TEXTBOX的保留字）。