日期	单位净值
2021-07-20	1.3001
2021-07-16	1.2953
2021-07-09	1.2896
2021-07-02	1.2927
2021-06-25	1.3056
2021-06-18	1.2903
2021-06-11	1.2905
2021-06-04	1.2867
2021-05-28	1.2909
2021-05-21	1.2803
2021-05-20	1.2803
2021-05-14	1.2814
2021-05-07	1.2806
2021-04-30	1.2828
2021-04-23	1.2869
2021-04-20	1.2919