feat: Integrate Milvus service for enhanced knowledge base management and file deletion (#88)

* feat: Refactor system parameter management with new data structure and update logic
* fix: 修复知识库相关问题

frontend/src/pages/KnowledgeBase/components/CreateKnowledgeBase.tsx

@@ -129,6 +129,7 @@ export default function CreateKnowledgeBase({
             <Select
               placeholder="请选择索引模型"
               options={embeddingModelOptions}
+              disabled={isEdit} // 编辑模式下禁用索引模型修改
             />
           </Form.Item>
           <Form.Item
@@ -145,4 +146,4 @@ export default function CreateKnowledgeBase({
       </Modal>
     </>
   );
-}
+}