日期	单位净值
2023-05-19	1.9854
2023-05-12	2.0139
2023-05-05	2.0012
2023-04-28	1.9586
2023-04-21	1.9727
2023-04-20	1.9712
2023-04-14	1.9932
2023-04-07	1.9631
2023-03-31	1.9167
2023-03-24	1.8682
2023-03-20	1.8605
2023-03-17	1.8612
2023-03-10	1.8600
2023-03-03	1.8504
2023-02-28	1.8376
2023-02-24	1.8116