日期	单位净值
2021-08-13	1.0658
2021-08-06	1.0641
2021-07-30	1.0619
2021-07-23	1.0610
2021-07-16	1.0589
2021-07-09	1.0565
2021-07-02	1.0543
2021-06-25	1.0535
2021-06-18	1.0512
2021-06-11	1.0511
2021-06-04	1.0505
2021-05-28	1.0496
2021-05-21	1.0477
2021-05-14	1.0461
2021-05-07	1.0441
2021-04-30	1.0428