日期	单位净值
2023-05-15	1.0012
2023-05-12	0.9970
2023-05-05	1.0025
2023-04-28	1.0054
2023-04-21	1.0075
2023-04-14	1.0078
2023-04-07	1.0047
2023-03-31	1.0007
2023-03-24	0.9932
2023-03-17	0.9961
2023-03-15	0.9936
2023-03-10	0.9887
2023-03-03	1.0046
2023-02-24	0.9945