diff --git a/src/main/java/com/gxwebsoft/ai/util/KnowledgeBaseUtil.java b/src/main/java/com/gxwebsoft/ai/util/KnowledgeBaseUtil.java
index 4724288..ea0f495 100644
--- a/src/main/java/com/gxwebsoft/ai/util/KnowledgeBaseUtil.java
+++ b/src/main/java/com/gxwebsoft/ai/util/KnowledgeBaseUtil.java
@@ -34,7 +34,9 @@ public class KnowledgeBaseUtil {
 		RetrieveRequest retrieveRequest = new RetrieveRequest();
 		retrieveRequest.setIndexId(indexId);
 		retrieveRequest.setQuery(query);
-		retrieveRequest.setDenseSimilarityTopK(null);
+		retrieveRequest.setDenseSimilarityTopK(100);
+		retrieveRequest.setSparseSimilarityTopK(100);
+		retrieveRequest.setEnableReranking(false);//开启耗费巨量token
 		RuntimeOptions runtime = new RuntimeOptions();
 		return client.retrieveWithOptions(workspaceId, retrieveRequest, null, runtime);
 	}