Deduct the fixed investment of the fund in the stock account from the balance of the stock account. Investors only need to set the deduction conditions, and the system will directly deduct the money. Investors should ensure that there are enough funds in the stock account.

The deduction date of the fund's fixed investment is the subscription date, and the fund T+ 1 is traded. The share bought on the same day needs to be confirmed on the second trading day, and the income is calculated after the share is confirmed, that is, after deducting the fixed investment of the fund, the income is calculated on the second trading day.