diff --git a/apps/ai-game-creator-shell/src/components/ChatMarkdownMessage/index.tsx b/apps/ai-game-creator-shell/src/components/ChatMarkdownMessage/index.tsx
index 139b15567..8e2545024 100644
--- a/apps/ai-game-creator-shell/src/components/ChatMarkdownMessage/index.tsx
+++ b/apps/ai-game-creator-shell/src/components/ChatMarkdownMessage/index.tsx
@@ -79,7 +79,7 @@ const markdownComponents: Components = {
       {children}
     </pre>
   ),
-  code: ({ className, children, ...props }) => {
+  code: ({ className, children, node: _node, ...props }) => {
     const isBlock = Boolean(className?.includes('language-'));
     return isBlock ? (
       <code {...props} className="font-mono whitespace-pre">
diff --git a/apps/ai-game-creator-shell/tests/ChatMarkdownMessage.test.tsx b/apps/ai-game-creator-shell/tests/ChatMarkdownMessage.test.tsx
index ae877f8db..1c293be74 100644
--- a/apps/ai-game-creator-shell/tests/ChatMarkdownMessage.test.tsx
+++ b/apps/ai-game-creator-shell/tests/ChatMarkdownMessage.test.tsx
@@ -21,6 +21,19 @@ describe('ChatMarkdownMessage', () => {
     );
   });
 
+  it('不会把 react-markdown 的 node 元数据泄漏到代码节点', () => {
+    const { container } = render(
+      <ChatMarkdownMessage
+        role="assistant"
+        text={'```ts\nconst answer = 42;\n```'}
+      />,
+    );
+
+    expect(
+      container.querySelector('pre code')?.getAttribute('node'),
+    ).toBeNull();
+  });
+
   it('保留流式 assistant 文本并标记 streaming 状态', () => {
     const { container } = render(
       <ChatMarkdownMessage