elasticsearch 模糊查询为什么匹配不到

SearchResponse scrollResponse = client.prepareSearch(INDEX)
.setSearchType(SearchType.SCAN).setFrom(0).setSize(100).setScroll(TimeValue.timeValueMinutes(1))
.setQuery(QueryBuilders.fuzzyQuery("title", searchName))
.execute().actionGet();

http://blog.csdn.net/u010585120/article/details/49307753
http://horsemen.iteye.com/blog/2244558