日期	单位净值
2023-04-28	1.0037
2023-04-21	0.9961
2023-04-14	1.0021
2023-04-07	1.0003
2023-03-31	0.9994
2023-03-24	1.0005
2023-03-17	0.9948
2023-03-10	0.9979
2023-03-03	0.9980
2023-02-28	1.0020
2023-02-24	1.0012
2023-02-17	0.9994
2023-02-10	1.0024
2023-02-03	1.0026
2023-01-31	0.9957
2023-01-20	0.9940