fix skn 搜索的 bug

@@ -66,6 +66,7 @@ public class SearchQueryHelper {
 
         // 3.如果查询的是skn或skuIds，则走productSkn_ansj和skuIds这个字段
         if (searchCommonHelper.isQuerySknOrSku(query)) {
+            queryBuilder.field(ProductIndexEsField.productSkn_productSkn_spliter);
             queryBuilder.field(ProductIndexEsField.skuIds);
             queryBuilder.field(ProductIndexEsField.ufoProductCode);
             queryBuilder.operator(Operator.OR);