Please check the following if you cannot log in even after entering your user ID/email address and password.
输入用户ID或邮箱地址/密码还是无法登录时,请确认以下的内容。
輸入用戶ID或郵箱地址/密碼還是無法登入時,請確認以下的內容。
Are you using single-byte characters?
是否用半角字符进行输入?
是否用半角字符進行輸入?
The characters you can use for password are single-byte alphabet letters (uppercase and lowercase letters), numbers, and symbols only. You cannot log in using double-byte characters.