diff --git a/libs/chatchat-server/chatchat/server/knowledge_base/kb_service/es_kb_service.py b/libs/chatchat-server/chatchat/server/knowledge_base/kb_service/es_kb_service.py
index f68ae0f..dc8fec6 100644
--- a/libs/chatchat-server/chatchat/server/knowledge_base/kb_service/es_kb_service.py
+++ b/libs/chatchat-server/chatchat/server/knowledge_base/kb_service/es_kb_service.py
@@ -242,7 +242,8 @@ class ESKBService(KBService):
                 },
                 "track_total_hits": True,
             }
-            print(f"***do_delete_doc: kb_file.filepath:{kb_file.filepath}")
+            print(f"***do_delete_doc: kb_file.filepath:{kb_file.filepath}, kb.filename:{kb_file.filename}")
+            print(f"***do_delete_doc: kb.filename:{kb_file.filename}")
             # 注意设置size，默认返回10个。
             search_results = self.es_client_python.search(index=self.index_name, body=query,size=200)
             delete_list = [hit["_id"] for hit in search_results['hits']['hits']]
@@ -277,22 +278,34 @@ class ESKBService(KBService):
 
         if self.es_client_python.indices.exists(index=self.index_name):
             file_path = docs[0].metadata.get("source")
-            query = {
+            print(f"****************do_add_doc, file_path:{file_path}")
+            # enhanced by weiweiwang 2025/2/24 to specific index name
+            # query = {
+            #     "query": {
+            #         "term": {"metadata.source.keyword": file_path},
+            #         # "term": {"_index": self.index_name},
+            #     }
+            # }
+            query =  {
                 "query": {
-                    "term": {"metadata.source.keyword": file_path},
-                    "term": {"_index": self.index_name},
+                    "bool": {
+                        "must": [
+                            { "term": { "metadata.source.keyword": file_path } },
+                            { "term": { "_index": self.index_name } }
+                        ]
+                    }
                 }
             }
             # 注意设置size，默认返回10个。
-            search_results = self.es_client_python.search(body=query, size=50)
+            search_results = self.es_client_python.search(body=query, size=200)
             if len(search_results["hits"]["hits"]) == 0:
                 raise ValueError("召回元素个数为0")
             info_docs = [
                 {"id": hit["_id"], "metadata": hit["_source"]["metadata"]}
                 for hit in search_results["hits"]["hits"]
             ]
-			#size = len(info_docs)
-        	#print(f"do_add_doc 召回元素个数：{size}")
+			# size = len(info_docs)
+        	# print(f"do_add_doc 召回元素个数：{size}")
             return info_docs
 
     def do_clear_vs(self):