It doesn't matter if the fund is withdrawn many times. The withdrawal of the fund needs to be carried out before the fund share is confirmed, and it cannot be withdrawn after the fund share is confirmed.

Fund cancellation generally needs to be completed before 3 pm on the trading day. If the fund is subscribed before the trading day 15pm, it needs to be cancelled before the trading day 15pm, otherwise the cancellation will be unsuccessful. If the fund is purchased after the trading day 15pm, it needs to be cancelled before the second trading day 15pm, otherwise the cancellation will be unsuccessful.