if the page prompts "2211, signature verification failed" or "signature parameter is missing" during payment operation, it may be that the digital certificate you installed has expired. Please delete the Tenpay digital certificate and install it on this machine again. Click here
/info/37882.html
to see how to delete the Tenpay digital certificate.
Tips: If the problem still exists after you reinstall the certificate, I suggest you empty IE cache and try the payment operation again. Please click here
/info/43282.html
for the method of clearing IE cache.