日期	单位净值
2017-08-25	1.0469
2017-08-18	1.0456
2017-08-11	1.0442
2017-08-04	1.0428
2017-07-31	1.0420
2017-07-28	1.0414
2017-07-21	1.0400
2017-07-14	1.0234
2017-07-07	1.0013
2017-06-30	1.0000
2017-06-23	1.0592
2017-06-16	1.0492
2017-06-09	1.0331
2017-05-31	1.0313
2017-05-26	1.0303
2017-05-19	1.0290