Transactions before the trading day 15 can only be cancelled before 15, and transactions after 15 can be cancelled before the next trading day 15. Withdrawal step: find the order you want to withdraw from the transaction record. After clicking the order, on the order details page, click the "Cancel Transaction" button in the upper right corner. Tips: After subscribing for a new fund, if the order is not withdrawn before 15 on the same day, it can only be redeemed after the fund is closed, and it cannot be withdrawn halfway.