日期	单位净值
2021-08-20	1.0201
2021-08-13	1.0257
2021-08-06	1.0306
2021-07-30	1.0225
2021-07-23	1.0257
2021-07-16	1.0009
2021-07-09	1.0194
2021-07-02	1.0073
2021-06-25	1.0098
2021-06-18	0.9845
2021-06-11	1.0112
2021-06-04	0.9817
2021-05-28	0.9860
2021-05-21	0.9736
2021-05-14	0.9737
2021-05-07	0.9722