日期	单位净值
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
2021-04-20	1.2968
2021-04-16	1.2939
2021-04-09	1.2980
2021-04-02	1.3012
2021-03-26	1.2905
2021-03-19	1.2895
2021-03-12	1.2937
2021-03-05	1.2899
2021-02-26	1.2822
2021-02-19	1.2982
2021-02-10	1.2748