日期	单位净值
2021-08-05	0.9999
2021-07-30	0.9864
2021-07-23	1.0084
2021-07-16	1.0038
2021-07-09	0.9982
2021-07-05	1.0020
2021-07-02	1.0011
2021-06-25	1.0113
2021-06-18	1.0018
2021-06-11	1.0050
2021-06-04	1.0064
2021-05-28	1.0097
2021-05-21	1.0041
2021-05-14	1.0054
2021-05-07	1.0057
2021-04-30	1.0070