diff --git a/backend/package/yuxi/knowledge/implementations/notion.py b/backend/package/yuxi/knowledge/implementations/notion.py
index e3488e61..900a755c 100644
--- a/backend/package/yuxi/knowledge/implementations/notion.py
+++ b/backend/package/yuxi/knowledge/implementations/notion.py
@@ -406,7 +406,7 @@ class NotionKB(ReadOnlyConnectors):
 
         async with _NotionClient(token, notion_version) as client:
             page = await client.retrieve_page(page_id)
-            if not self._page_belongs_to_data_source(page, data_source_id, allow_unknown_parent=True):
+            if not self._page_belongs_to_data_source(page, data_source_id):
                 raise ValueError(f"Notion 页面 {page_id} 不属于当前 Data Source")
             markdown = await self._page_to_markdown(client, page_id, page)
 
diff --git a/backend/test/unit/plugins/test_notion_kb.py b/backend/test/unit/plugins/test_notion_kb.py
index 4300a789..a6392b98 100644
--- a/backend/test/unit/plugins/test_notion_kb.py
+++ b/backend/test/unit/plugins/test_notion_kb.py
@@ -78,6 +78,12 @@ class _FailingNotionClient(_FakeNotionClient):
         raise NotionAPIError("boom")
 
 
+class _UnknownParentNotionClient(_FakeNotionClient):
+    async def retrieve_page(self, page_id: str) -> dict:
+        page = await super().retrieve_page(page_id)
+        return {**page, "parent": {"type": "page_id", "page_id": "other-page"}}
+
+
 @pytest.fixture
 def notion_kb(tmp_path):
     kb = NotionKB(str(tmp_path))
@@ -175,6 +181,14 @@ async def test_notion_find_file_content_uses_page_markdown(monkeypatch, notion_k
     assert "reasoning models" in result["windows"][0]["content"]
 
 
+@pytest.mark.asyncio
+async def test_notion_open_file_content_rejects_unknown_parent(monkeypatch, notion_kb):
+    monkeypatch.setattr("yuxi.knowledge.implementations.notion._NotionClient", _UnknownParentNotionClient)
+
+    with pytest.raises(ValueError, match="不属于当前 Data Source"):
+        await notion_kb.open_file_content("kb_notion", PAGE_ID)
+
+
 @pytest.mark.asyncio
 async def test_notion_kb_aquery_error_returns_empty(monkeypatch, notion_kb):
     monkeypatch.setattr("yuxi.knowledge.implementations.notion._NotionClient", _FailingNotionClient)
diff --git a/web/src/apis/tool_api.js b/web/src/apis/tool_api.js
index ca84c3db..25c3a1da 100644
--- a/web/src/apis/tool_api.js
+++ b/web/src/apis/tool_api.js
@@ -13,8 +13,8 @@ const BASE_URL = '/api/system/tools'
  * @returns {Promise} - 工具列表
  */
 export const getTools = async (category = null) => {
-  const params = category ? { category } : {}
-  return apiAdminGet(BASE_URL, params)
+  const query = category ? `?${new URLSearchParams({ category }).toString()}` : ''
+  return apiAdminGet(`${BASE_URL}${query}`)
 }
 
 /**