It is possible that the net value of the fund will be restored to one yuan:

The fund will be split or a large proportion of dividends will be distributed to 1 yuan. Splitting and dividends can't directly generate income, but only reduce high net worth to low net worth to attract investors to buy.

Or the irregular conversion of graded funds in the market

It is also possible that the market ups and downs lead to the net value of funds returning to 1 yuan.