feat: 增加知识库新类型FAQ知识库

easyflow-modules/easyflow-module-ai/src/main/java/tech/easyflow/ai/config/SearcherFactory.java

@@ -4,7 +4,6 @@ import com.easyagents.engine.es.ElasticSearcher;
 import com.easyagents.search.engine.lucene.LuceneSearcher;
 import com.easyagents.search.engine.service.DocumentSearcher;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -29,6 +28,9 @@ public class SearcherFactory {
 
 
     public DocumentSearcher getSearcher(String defaultSearcherType) {
+        if (defaultSearcherType == null) {
+            defaultSearcherType = "lucene";
+        }
         switch (defaultSearcherType) {
             case "elasticSearch":
                 return new ElasticSearcher(aiEsConfig);
@@ -37,4 +39,4 @@ public class SearcherFactory {
                 return new LuceneSearcher(luceneConfig);
         }
     }
-}
+}