feat(web): enhance knowledge base sharing with stop share feedback

- Fix file download URL to use absolute API path instead of apiPrefix variable
- Add stopShareSuccess i18n message for English locale
- Add stopShareSuccess i18n message for Chinese locale
- Update ShareModal to display different success messages based on share toggle state
- Show "Sharing is off" message when disabling knowledge base sharing
- Improve user feedback when toggling share status on/off

web/src/api/knowledgeBase.ts

@@ -154,7 +154,7 @@ export const uploadFile = async (data: FormData, options?: UploadFileOptions) =>
 // 下载文件
 export const downloadFile = async (fileId: string, fileName?: string) => {
   const token = cookieUtils.get('authToken');
-  const url = `${apiPrefix}/files/${fileId}`;
+  const url = `/api/files/${fileId}`;
   
   try {
     const response = await fetch(url, {

web/src/i18n/en.ts

@@ -580,6 +580,7 @@ export const en = {
     knowledgeBase: {
       pleaseUploadFileFirst: 'Please upload file first',
       shareSuccess: 'Share successfully',
+      stopShareSuccess: 'Sharing is off. Access denied. ',
       shareFailed: 'Share failed',
       allModels: 'All Models',
       knowledgeBaseInfo: 'Knowledge base information',

web/src/i18n/zh.ts

@@ -122,6 +122,7 @@ export const zh = {
       preview: '预览',
       pleaseUploadFileFirst: '请先上传文件',
       shareSuccess: '分享成功',
+      stopShareSuccess: '已取消分享，对方将无法访问该知识库',
       shareFailed: '分享失败',
       allModels: '所有模型',
       knowledgeBaseInfo: '知识库信息',

web/src/views/KnowledgeBase/components/ShareModal.tsx

@@ -4,7 +4,7 @@
  * @Author: yujiangping
  * @Date: 2025-11-10 18:52:55
  * @LastEditors: yujiangping
- * @LastEditTime: 2026-02-10 15:18:32
+ * @LastEditTime: 2026-03-03 14:46:08
  */
 import { forwardRef, useImperativeHandle, useState, useRef } from 'react';
 import { Switch } from 'antd';
@@ -75,7 +75,12 @@ const ShareModal = forwardRef<ShareModalRef,ShareModalRefProps>(({ handleShare:
     updateKnowledgeBase(item.target_kb?.id, {
       status: checked ? 1 : 2
     }).then(() => {
-      messageApi.success(t('knowledgeBase.shareSuccess'));
+      if(checked){
+        messageApi.success(t('knowledgeBase.shareSuccess'));
+      }else{
+        messageApi.success(t('knowledgeBase.stopShareSuccess'));
+      }
+      
       getShareSpaceList(kbId);
     }).catch(() => {
       messageApi.error(t('knowledgeBase.shareFailed'));