The density of rice sales display cards in Yika Mall is abnormal.

I suggest you take the following steps:

1. Check the order and payment information: Make sure that you have completed the order and payment according to the correct process. Confirm whether the payment is successful, and check whether you have received the mail or notice of order confirmation or payment confirmation.

2. Contact the customer service of Yika Mall: If the card density is abnormal, it is best to contact the customer service department of Yika Mall directly. They will be able to provide you with specific information about orders and cards and deal with your problems. Usually, you can contact the customer service department through the contact information provided on the mall website, such as online chat, email and telephone.

3. Keep relevant evidence: If there is any problem in the transaction, you must save and back up all relevant evidence during the transaction, such as order number, payment voucher, communication record, etc. This information may be helpful when communicating with the customer service department.

4. Seek feedback from Internet communities: You can look for other people's similar experiences and suggestions in relevant Internet communities, forums or social media. Maybe other users have encountered similar problems and found a solution.