日期	单位净值
2017-08-18	0.9975
2017-08-11	1.0206
2017-08-04	1.0434
2017-07-31	1.0113
2017-07-28	1.0053
2017-07-21	1.0243
2017-07-14	1.0204
2017-07-07	1.0484
2017-06-30	1.0688
2017-06-23	1.0115
2017-06-16	1.0010
2017-06-09	0.9664
2017-05-31	0.9629
2017-05-26	0.9367
2017-05-19	0.9531
2017-05-12	0.9353