Why did Shenzhen Yuedong Tianxia Technology send me a penny?

Test whether the collection account is abnormal.

Abnormal collection account means that the collection account is in an abnormal state that it cannot accept the transferred amount.

Once this problem occurs, users need to contact the issuing bank or transferor in time to inquire about the problems existing in their collection accounts. Then give a solution according to the problem. After the abnormal situation of the collection account is solved, the transfer business can be handled.