1. The deduction date can be modified at will, but it cannot be changed to the same day. The amount can also be changed, but it cannot be less than the minimum amount and must be an integer. To apply for opening the "regular quota" business through a consignment agency (such as a bank), it is necessary to modify the "regular quota" through the consignment agency (bank).

2. Fixed investment is the abbreviation of fixed-term investment fund, which means that a fixed amount (such as 500 yuan) is invested in a designated open-end fund at a fixed time (such as the 8th of each month), which is similar to the bank's deposit and withdrawal method.