日期	单位净值
2021-04-20	1.2909
2021-04-16	1.2881
2021-04-09	1.2922
2021-04-02	1.2962
2021-03-26	1.2847
2021-03-19	1.2824
2021-03-12	1.2865
2021-03-05	1.2838
2021-02-26	1.2752
2021-02-19	1.2910
2021-02-10	1.2678
2021-02-05	1.2591
2021-01-29	1.2612
2021-01-22	1.2819
2021-01-20	1.2838
2021-01-15	1.2696