日期	单位净值
2021-07-30	1.0238
2021-07-23	1.0284
2021-07-20	1.0125
2021-07-16	1.0160
2021-07-09	1.0215
2021-07-02	1.0230
2021-06-25	1.0159
2021-06-18	1.0221
2021-06-11	1.0069
2021-06-04	1.0015
2021-05-28	1.0139
2021-05-21	0.9861
2021-05-20	0.9879
2021-05-14	0.9672
2021-05-07	0.9455
2021-04-30	0.9624