日期	单位净值
2021-07-20	1.3052
2021-07-16	1.3004
2021-07-09	1.2947
2021-07-02	1.2988
2021-06-29	1.3045
2021-06-25	1.3105
2021-06-18	1.2969
2021-06-11	1.2971
2021-06-04	1.2924
2021-05-28	1.2965
2021-05-21	1.2869
2021-05-20	1.2859
2021-05-14	1.2871
2021-05-07	1.2863
2021-04-30	1.2884
2021-04-23	1.2925