日期	单位净值
2015-05-29	1.1287
2015-05-22	1.1497
2015-05-15	1.0491
2015-05-08	0.9883
2015-04-30	1.0250
2015-04-24	1.0146
2015-04-17	1.0057
2015-04-10	1.0277