First, make sure that the funds are in the account of the broker. If it is bought by a bank, it should be transferred to a brokerage firm. The commonly used entrustment software is split and sold in the option of "merger and split" of "floor fund" or "LOF fund" or "exchange fund": the parent fund is purchased on T day (floor purchase), and the option of "merger and split" (T+ 1 is rarely available) is selected before 3: 00 p.m. on the day when the fund arrives, and the parent fund code T is entered, which becomes Class A.