日期	单位净值
2021-07-20	1.3046
2021-07-16	1.2988
2021-07-09	1.2940
2021-07-02	1.2972
2021-06-29	1.3041
2021-06-25	1.3102
2021-06-18	1.2951
2021-06-11	1.2953
2021-06-04	1.2915
2021-05-28	1.2957
2021-05-21	1.2850
2021-05-20	1.2851
2021-05-14	1.2862
2021-05-07	1.2854
2021-04-30	1.2876
2021-04-23	1.2917