1、66。
2. The last six digits of the ID card. Because the initial password of Jintan library reader card is 66 digits, if you apply for self-service accreditation machine, the default password will be six digits in the future. When the reader applies for a reader's card at the registration office, if the password is not set, the default initial password of the card-making system is "66" (if applying for a self-service card-making machine, the default password will be six digits in the future). If you need to change the password, you can go to the registration office and the staff will handle it.