日期	单位净值
2021-03-19	1.0373
2021-03-12	1.0376
2021-03-05	1.0379
2021-02-26	1.0382
2021-02-19	1.0329
2021-02-10	1.0333
2021-02-05	1.0335
2021-02-03	1.0336
2021-01-29	1.0263
2021-01-22	1.0266
2021-01-20	1.0267
2021-01-15	1.0269
2021-01-08	1.0273
2020-12-31	1.0277
2020-12-25	1.0347
2020-12-18	1.1614