diff --git a/packages/vscode-ide-companion/src/extension.ts b/packages/vscode-ide-companion/src/extension.ts
index 224613c1..69dd2c09 100644
--- a/packages/vscode-ide-companion/src/extension.ts
+++ b/packages/vscode-ide-companion/src/extension.ts
@@ -5,7 +5,7 @@
  */
 
 import * as vscode from 'vscode';
-import * as path from 'node:path';
+// import * as path from 'node:path'; // TODO: 没有生效 - temporarily disabled due to commented out usage
 import { IDEServer } from './ide-server.js';
 import semver from 'semver';
 import { DiffContentProvider, DiffManager } from './diff-manager.js';
@@ -167,44 +167,45 @@ export async function activate(context: vscode.ExtensionContext) {
     createWebViewProvider,
   );
 
+  // TODO: 没有生效
   // Relay diff accept/cancel events to the chat webview as assistant notices
   // so the user sees immediate feedback in the chat thread (Claude Code style).
-  context.subscriptions.push(
-    diffManager.onDidChange((notification) => {
-      try {
-        const method = (notification as { method?: string }).method;
-        if (method !== 'ide/diffAccepted' && method !== 'ide/diffClosed') {
-          return;
-        }
+  // context.subscriptions.push(
+  //   diffManager.onDidChange((notification) => {
+  //     try {
+  //       const method = (notification as { method?: string }).method;
+  //       if (method !== 'ide/diffAccepted' && method !== 'ide/diffClosed') {
+  //         return;
+  //       }
 
-        const params = (
-          notification as unknown as {
-            params?: { filePath?: string };
-          }
-        ).params;
-        const filePath = params?.filePath ?? '';
-        const fileBase = filePath ? path.basename(filePath) : '';
-        const text =
-          method === 'ide/diffAccepted'
-            ? `Accepted changes${fileBase ? ` to ${fileBase}` : ''}.`
-            : `Cancelled changes${fileBase ? ` to ${fileBase}` : ''}.`;
+  //       const params = (
+  //         notification as unknown as {
+  //           params?: { filePath?: string };
+  //         }
+  //       ).params;
+  //       const filePath = params?.filePath ?? '';
+  //       const fileBase = filePath ? path.basename(filePath) : '';
+  //       const text =
+  //         method === 'ide/diffAccepted'
+  //           ? `Accepted changes${fileBase ? ` to ${fileBase}` : ''}.`
+  //           : `Cancelled changes${fileBase ? ` to ${fileBase}` : ''}.`;
 
-        for (const provider of webViewProviders) {
-          const panel = provider.getPanel();
-          panel?.webview.postMessage({
-            type: 'message',
-            data: {
-              role: 'assistant',
-              content: text,
-              timestamp: Date.now(),
-            },
-          });
-        }
-      } catch (e) {
-        console.warn('[Extension] Failed to relay diff event to chat:', e);
-      }
-    }),
-  );
+  //       for (const provider of webViewProviders) {
+  //         const panel = provider.getPanel();
+  //         panel?.webview.postMessage({
+  //           type: 'message',
+  //           data: {
+  //             role: 'assistant',
+  //             content: text,
+  //             timestamp: Date.now(),
+  //           },
+  //         });
+  //       }
+  //     } catch (e) {
+  //       console.warn('[Extension] Failed to relay diff event to chat:', e);
+  //     }
+  //   }),
+  // );
 
   context.subscriptions.push(
     vscode.workspace.onDidCloseTextDocument((doc) => {