日期	单位净值
2015-06-05	1.1423
2015-05-29	1.0501
2015-05-22	1.0881
2015-05-15	1.0283
2015-05-08	0.9750
2015-04-30	0.9963
2015-04-24	0.9994
2015-04-23	0.9998