conversion优先采用完全匹配的source

@@ -426,7 +426,13 @@ public class SuggestServiceImpl implements ISuggestService, ApplicationEventPubl
         // 2) 根据terms搜索构造搜索请求
         SearchParam searchParam = new SearchParam();
         MatchQueryBuilder queryBuilder = QueryBuilders.matchQuery("source", queryWord);
-        searchParam.setQuery(queryBuilder);
+        FunctionScoreQueryBuilder functionScoreQueryBuilder = new FunctionScoreQueryBuilder(queryBuilder);
+        // 2.1) 优先取完全匹配的Term
+        functionScoreQueryBuilder.add(QueryBuilders.termQuery("source.source_keyword", queryWord.trim().toLowerCase()),
+                ScoreFunctionBuilders.weightFactorFunction(100));
+        functionScoreQueryBuilder.boostMode(CombineFunction.MULT);
+
+        searchParam.setQuery(functionScoreQueryBuilder);
         searchParam.setPage(1);
         searchParam.setSize(1);
         searchParam.setFiter(QueryBuilders.termQuery("status", 1));