diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/dal/mysql/knowledgedocuments/KnowledgeDocumentsMapper.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/dal/mysql/knowledgedocuments/KnowledgeDocumentsMapper.java
index 78367b746..5527be93d 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/dal/mysql/knowledgedocuments/KnowledgeDocumentsMapper.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/dal/mysql/knowledgedocuments/KnowledgeDocumentsMapper.java
@@ -28,7 +28,7 @@ public interface KnowledgeDocumentsMapper extends BaseMapperX<KnowledgeDocuments
                 .orderByDesc(KnowledgeDocumentsDO::getId));
     }
 
-    @Select("SELECT id FROM llm_knowledge_documents WHERE knowledge_base_id = #{id} and deleted = 1")
+    @Select("SELECT id FROM llm_knowledge_documents WHERE knowledge_base_id = #{id}")
     List<Long> selectDeleteIds(Long id);
 
-}
\ No newline at end of file
+}
diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/RagHttpService.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/RagHttpService.java
index e34a2cb7e..4ef269755 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/RagHttpService.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/http/RagHttpService.java
@@ -723,7 +723,7 @@ public class RagHttpService {
     private KnowledgeDocumentsDO getKnowledgeDocuments (Long id, String fileId) {
         return knowledgeDocumentsMapper.selectOne(new LambdaQueryWrapperX<KnowledgeDocumentsDO>()
                 .eq(KnowledgeDocumentsDO::getKnowledgeBaseId, id)
-                .eq(KnowledgeDocumentsDO::getId, fileId));
+                .eq(KnowledgeDocumentsDO::getFileId, fileId));
     }
 
     /**
diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/knowledgebase/KnowledgeBaseServiceImpl.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/knowledgebase/KnowledgeBaseServiceImpl.java
index db3cf7fda..1131a78ff 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/knowledgebase/KnowledgeBaseServiceImpl.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/knowledgebase/KnowledgeBaseServiceImpl.java
@@ -120,6 +120,7 @@ public class KnowledgeBaseServiceImpl implements KnowledgeBaseService {
             return;
         }
 
+
         // 获取需要保留的文档 ID
         List<Long> retainedIds = documents.stream()
                 .map(KnowledgeDocumentsSaveReqVO::getId)
@@ -186,9 +187,9 @@ public class KnowledgeBaseServiceImpl implements KnowledgeBaseService {
             KnowledgeDocumentsDO docDO = BeanUtils.toBean(doc, KnowledgeDocumentsDO.class);
             docDO.setKnowledgeBaseId(knowledgeBaseId);
             if (doc.getId() == null) {
-                newDocuments.add(docDO); // 收集新增文档
+                newDocuments.add(docDO);
             }
-            knowledgeDocumentsMapper.insertOrUpdate(docDO); // 更新或插入文档
+            knowledgeDocumentsMapper.insertOrUpdate(docDO);
         });
         return newDocuments;
     }