日期	单位净值
2017-08-11	1.0111
2017-08-04	1.0118
2017-07-28	1.0190
2017-07-21	1.0093
2017-07-14	1.0302
2017-07-07	1.0330
2017-06-30	1.0414
2017-06-23	1.0229
2017-06-16	1.0216
2017-06-09	1.0277
2017-06-02	1.0000
2017-05-26	1.0210
2017-05-19	0.9996
2017-05-12	0.9971
2017-05-05	0.9990
2017-04-28	1.0077