First, your first operation was correct and your repayment was successful. Tenpay shows "paid, being repaid", indicating that you have paid Tenpay, and Tenpay has submitted a repayment application to China Merchants Bank. Usually 1-2 working days, your repayment will go to the account of China Merchants Bank.

Second, if you do it again, the money will be directly deposited into your credit card without refund. In other words, you deposit money into your credit card again.