Personal signature of online banking of Ping An Bank is valid for three years. Ping An Bank's personal online banking digital certificate is valid for 3 years: 6 months before the expiration of the personal online banking digital certificate, you can update the digital certificate through Ping An Bank's personal online banking-more business-security center-update certificate. If the update fails during the operation, please bring your valid ID card and go to any branch of our bank to re-apply in person with any account under UKEY and online banking.