日期	单位净值
2021-07-20	4.0745
2021-07-16	4.1089
2021-07-09	4.1788
2021-07-02	4.4405
2021-06-25	4.6864
2021-06-18	4.5335
2021-06-11	4.6956
2021-06-04	4.7500
2021-05-28	4.4987
2021-05-21	4.4318
2021-05-20	4.4512
2021-05-14	4.2406
2021-05-07	4.2954
2021-04-30	4.5507
2021-04-23	4.6254
2021-04-20	4.4498