What does it mean to show that the certificate is expired when the Beijing public transport software swipes the card?

It shows that the certificate has expired, that is, when you applied for this certificate, it can no longer be scanned and can be re-certified.

It may also be because Alipay is bound, and Alipay needs to verify the health treasure by brushing the code. After re-certification, you can brush the health code in Alipay.

Extended data:

Now Beijing bus can be paid by Alipay scanning code. Beijing citizens can take the bus by scanning the code, download the Beijing bus APP, and bind Alipay and other payment methods, making it easy to travel with one click.

It is understood that Beijing Bus APP enjoys a 50% discount like bus cards, and passengers can accumulate ANT FOREST energy every time they travel after being bound to Alipay.