日期	单位净值
2016-05-27	2.8358
2016-05-20	2.8654
2016-05-19	2.8654
2016-05-18	2.8654
2016-05-17	2.8654
2016-05-16	2.8654
2016-05-15	2.8654
2016-05-14	2.8654
2016-05-13	2.8654
2016-05-12	2.8654
2016-05-11	2.8654
2016-05-10	2.8654
2016-05-09	2.8654
2016-05-08	2.8654
2016-05-07	2.8654
2016-05-06	2.8654