The enhancement of the fund means that the fund does not completely copy the index on the basis of tracking the index, expecting to get better returns than the index. It is an active fund among passive funds, but it may not achieve better performance than the index.

Fund connection refers to investing most of its fund assets in ETFs that track the same underlying index, closely tracking the performance of the underlying index, pursuing the minimization of tracking deviation and tracking error, and adopting an open operation mode to purchase and redeem off-site.