日期	单位净值
2021-05-28	1.0483
2021-05-21	1.0352
2021-05-14	1.0351
2021-05-07	1.0307
2021-04-30	1.0345
2021-04-23	1.0358
2021-04-16	1.0309
2021-04-09	1.0316
2021-04-02	1.0370
2021-03-26	1.0339
2021-03-19	1.0286
2021-03-12	1.0290
2021-03-05	1.0338
2021-02-26	1.0318
2021-02-19	1.0413
2021-02-10	1.0391