日期	单位净值
2017-08-22	1.2090
2017-08-18	1.1957
2017-08-11	1.1655
2017-08-04	1.1858
2017-07-28	1.1490
2017-07-24	1.1252
2017-07-21	1.1336
2017-07-14	1.1124
2017-07-07	1.0775
2017-06-30	1.0250
2017-06-23	1.0137
2017-06-22	1.0059
2017-06-16	0.9900
2017-06-09	1.0118
2017-05-26	0.9703
2017-05-19	0.9523