日期	单位净值
2021-08-05	0.9988
2021-07-30	0.9853
2021-07-23	1.0073
2021-07-16	1.0027
2021-07-09	0.9971
2021-07-05	1.0022
2021-07-02	1.0014
2021-06-25	1.0116
2021-06-18	1.0011
2021-06-11	1.0053
2021-06-04	1.0067
2021-05-28	1.0099
2021-05-21	1.0044
2021-05-14	1.0057
2021-05-07	1.0060
2021-04-30	1.0073