日期	单位净值
2021-06-04	1.0344
2021-05-28	1.0264
2021-05-21	1.0170
2021-05-14	1.0171
2021-05-07	1.0166
2021-04-30	1.0228
2021-04-23	1.0218
2021-04-16	1.0151
2021-04-09	1.0258
2021-04-02	1.0298
2021-03-26	1.0182
2021-03-19	1.0201
2021-03-12	1.0252
2021-03-05	1.0229
2021-02-26	1.0249
2021-02-19	1.0309