It cannot be said that historically, the Shanghai and Shenzhen 300 Index is better than other market indexes. From this perspective, it would be good to buy the CSI 300. But the market is changing. Regarding the handling fee, the longer the investment time, the more appropriate the back-end fee. No charge for more than three years. When you say two years, it depends on how the fund redemption fee is stipulated. Generally speaking, the longer the time, the more appropriate the back-end charges.