日期	单位净值
2021-05-20	1.2839
2021-05-14	1.2860
2021-05-07	1.2852
2021-04-30	1.2864
2021-04-23	1.2906
2021-04-20	1.2958
2021-04-16	1.2930
2021-04-09	1.2971
2021-04-02	1.3012
2021-03-26	1.2896
2021-03-19	1.2897
2021-03-12	1.2939
2021-03-05	1.2911
2021-02-26	1.2824
2021-02-19	1.2984
2021-02-10	1.2750