Merge remote-tracking branch 'remotes/origin/emptyResult_reenforce'

@@ -158,7 +158,7 @@ public class SearchServiceHelper {
 		// 4.设置查询字段和比重【AND表示多字段都要匹配，可提高精确度】
 		this.setDefaultSearchField(queryBuilder);
 		queryBuilder.operator(MatchQueryBuilder.Operator.OR);
-		queryBuilder.minimumShouldMatch("50%");
+		queryBuilder.minimumShouldMatch("90%");
 
 
 		return queryBuilder;