日期	单位净值
2021-05-20	1.2843
2021-05-14	1.2865
2021-05-07	1.2857
2021-04-30	1.2878
2021-04-23	1.2919
2021-04-20	1.2970
2021-04-16	1.2942
2021-04-09	1.2983
2021-04-02	1.3015
2021-03-26	1.2909
2021-03-19	1.2885
2021-03-12	1.2927
2021-03-05	1.2889
2021-02-26	1.2812
2021-02-19	1.2972
2021-02-10	1.2738