Yes. The supplementary card is an accessory card to the main card, and its usage rights and bills are associated with the main card. If the real-name information of the supplementary card is inconsistent with that of the main card, it will cause abnormalities in the credit card account, affect the credit record, and even cause the account to be frozen. Therefore, the WeChat real-name authentication of the secondary card must be consistent with that of the primary card.