日期	单位净值
2021-07-20	1.2971
2021-07-16	1.2923
2021-07-09	1.2876
2021-07-02	1.2907
2021-06-25	1.3036
2021-06-18	1.2880
2021-06-11	1.2881
2021-06-04	1.2834
2021-05-28	1.2875
2021-05-21	1.2780
2021-05-20	1.2770
2021-05-14	1.2791
2021-05-07	1.2783
2021-04-30	1.2795
2021-04-23	1.2836
2021-04-20	1.2885