日期	单位净值
2022-03-31	1.8383
2022-03-25	1.8349
2022-03-18	1.8196
2022-03-11	1.8435
2022-03-04	1.8517
2022-02-25	1.8250
2022-02-18	1.7980
2022-02-11	1.8443
2022-01-28	1.7971
2022-01-21	1.8484
2022-01-20	1.8404
2022-01-14	1.8145
2022-01-07	1.8385
2021-12-31	1.8462
2021-12-24	1.8183
2021-12-20	1.7638