If you don't repay in full within the validity period, you will be charged a maximum of 5% overrun fee, which will even affect your credit history.
Temporary credit line, as its name implies, is the total credit line temporarily increased by banks to meet the temporary needs of customers on the basis of permanent credit line. According to the regulations of the temporary credit line bank, the general temporary credit line is 20% higher than the permanent credit line and has a certain validity period.