suggestList支持精确匹配 可以去重

@@ -542,7 +542,13 @@ public class SuggestServiceImpl implements ISuggestService, ApplicationEventPubl
 
             // 1) 构建ES请求
             SearchParam searchParam = new SearchParam();
-            QueryBuilder queryBuilder = StringUtils.isNotEmpty(queryWord) ? QueryBuilders.matchQuery("keyword.keyword_ik", queryWord) : QueryBuilders.matchAllQuery();
+            QueryBuilder queryBuilder = QueryBuilders.matchAllQuery();
+            if (StringUtils.isNotEmpty(queryWord)) {
+                // 是否精确匹配
+                String accurateQuery = paramMap.get("accurate");
+                queryBuilder = "Y".equalsIgnoreCase(accurateQuery) ? QueryBuilders.matchQuery("standardKeyword", CharUtils.standardized(queryWord)) : QueryBuilders.matchQuery("keyword.keyword_ik", queryWord);
+            }
+
             searchParam.setQuery(queryBuilder);
             searchParam.setPage(page);
             searchParam.setOffset((page - 1) * 10);