diff --git a/.gitignore b/.gitignore
index f94d0c8..ef2a243 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,6 +25,7 @@ local_config.json
 
 # Debug dumps
 .debug/
+tim_dump.txt
 
 # Logs
 *.log
diff --git a/monitor.py b/monitor.py
index 08a06f5..e0e1bca 100644
--- a/monitor.py
+++ b/monitor.py
@@ -138,9 +138,11 @@ class MessageMonitor:
                         rect = w.BoundingRectangle
                         if rect.width() > 200 and rect.height() > 100:
                             h = w.NativeWindowHandle
-                            self._cached_hwnd[platform] = h
-                            logger.info(f"[{platform}] 窗口已定位: {name} handle={h}")
-                            return h
+                            # 确保存顶层窗口句柄（与 GetForegroundWindow 返回值一致）
+                            top = win32gui.GetAncestor(h, win32con.GA_ROOT)
+                            self._cached_hwnd[platform] = top
+                            logger.info(f"[{platform}] 窗口已定位: {name} handle={top}")
+                            return top
                 except Exception:
                     pass
         elif platform == "qq":
@@ -151,10 +153,11 @@ class MessageMonitor:
                         rect = w.BoundingRectangle
                         if rect.width() > 200 and rect.height() > 100:
                             h = w.NativeWindowHandle
-                            self._cached_hwnd[platform] = h
+                            top = win32gui.GetAncestor(h, win32con.GA_ROOT)
+                            self._cached_hwnd[platform] = top
                             self._app_variant[platform] = "qq_nt" if name == "QQ" else "tim"
-                            logger.info(f"[{platform}] 窗口已定位(名称): {name}")
-                            return h
+                            logger.info(f"[{platform}] 窗口已定位(名称): {name} top={top}")
+                            return top
                 except Exception:
                     pass
             # QQ NT/TIM → TXGuiFoundation 类名
@@ -166,12 +169,12 @@ class MessageMonitor:
                             rect = child.BoundingRectangle
                             if rect.width() > 200 and rect.height() > 100:
                                 h = child.NativeWindowHandle
-                                # 判断变体：名称含"TIM"则为tim，否则qq_nt
+                                top = win32gui.GetAncestor(h, win32con.GA_ROOT)
                                 cname = str(child.Name or "")
                                 self._app_variant[platform] = "tim" if "TIM" in cname.upper() else "qq_nt"
-                                self._cached_hwnd[platform] = h
-                                logger.info(f"[{platform}] 窗口已定位(TXGuiFoundation): {child.Name}")
-                                return h
+                                self._cached_hwnd[platform] = top
+                                logger.info(f"[{platform}] 窗口已定位(TXGuiFoundation): {child.Name} top={top}")
+                                return top
                     except Exception:
                         pass
             except Exception:
@@ -234,66 +237,27 @@ class MessageMonitor:
         except Exception as e:
             logger.debug(f"[{platform}] 滚动到底失败: {e}")
 
-    def _focus_message_area(self, platform: str) -> bool:
-        """聚焦消息区：Esc清弹窗 → 点击会话列表选对话 → 点击消息区聚焦。
-
-        两步点击确保焦点落在消息显示区域而非联系人/会话列表。
-        SendMessage 同步发送（Electron 响应同步消息）。
-        不移动物理鼠标。
-        """
-        hwnd = self._cached_hwnd.get(platform)
-        if not hwnd:
-            return False
-        try:
-            rect = win32gui.GetWindowRect(hwnd)
-            if not rect:
-                return False
-            left, top, right, bottom = rect
-            w = right - left
-            h = bottom - top
-            if w < 100 or h < 100:
-                return False
-
-            # 先从前景（_read_via_clipboard_once 已做，但再确保）
-            # Esc 退出搜索/弹出框，恢复默认焦点
-            auto.SendKeys('{Esc}')
-            time.sleep(0.15)
-            auto.SendKeys('{Esc}')
-            time.sleep(0.15)
-
-            # 1. 点击会话列表（左 ~15%）选中一个对话
-            x1 = int(w * 0.15)
-            y1 = int(h * 0.35)
-            lp1 = win32api.MAKELONG(x1, y1)
-            win32gui.SendMessage(hwnd, win32con.WM_LBUTTONDOWN, win32con.MK_LBUTTON, lp1)
-            win32gui.SendMessage(hwnd, win32con.WM_LBUTTONUP, 0, lp1)
-            time.sleep(0.3)
-
-            # 2. 点击消息显示区（中右 ~60%）聚焦消息列表
-            x2 = int(w * 0.60)
-            y2 = int(h * 0.40)
-            lp2 = win32api.MAKELONG(x2, y2)
-            win32gui.SendMessage(hwnd, win32con.WM_LBUTTONDOWN, win32con.MK_LBUTTON, lp2)
-            win32gui.SendMessage(hwnd, win32con.WM_LBUTTONUP, 0, lp2)
-            time.sleep(0.3)
-
-            logger.debug(f"[{platform}] 已聚焦消息区 (conv={x1},{y1} msg={x2},{y2})")
-            return True
-        except Exception as e:
-            logger.debug(f"[{platform}] 聚焦消息区失败: {e}")
-            return False
-
     def _ensure_foreground(self, hwnd, max_retries=3) -> bool:
         """确保窗口在前台，重试多次。失败返回 False，不强行发送。"""
+        # 确保用顶层窗口句柄（与 GetForegroundWindow 返回值一致）
+        root_hwnd = win32gui.GetAncestor(hwnd, win32con.GA_ROOT)
         for i in range(max_retries):
-            self._attach_set_foreground(hwnd)
+            self._attach_set_foreground(root_hwnd)
             time.sleep(0.2)
             try:
                 fg = win32gui.GetForegroundWindow()
-                if fg == hwnd:
+                if fg == root_hwnd:
                     return True
-                # 目标窗口是前台窗口的子窗口也可
-                if fg and win32gui.IsChild(hwnd, fg):
+                if fg and win32gui.IsChild(root_hwnd, fg):
+                    return True
+            except Exception:
+                pass
+            # fallback: SwitchToThisWindow（比 SetForegroundWindow 权限要求低）
+            try:
+                ctypes.windll.user32.SwitchToThisWindow(root_hwnd, True)
+                time.sleep(0.15)
+                fg = win32gui.GetForegroundWindow()
+                if fg == root_hwnd or (fg and win32gui.IsChild(root_hwnd, fg)):
                     return True
             except Exception:
                 pass
@@ -388,13 +352,18 @@ class MessageMonitor:
             if not self._ensure_foreground(hwnd, max_retries=2):
                 return []
 
-            # TIM/QQ NT: Esc 退出搜索/弹框，确保焦点在消息区域
+            # TIM: 键盘导航到消息区域
             variant = self._app_variant.get(platform, "")
             if variant == "tim":
                 auto.SendKeys('{Esc}')
-                time.sleep(0.15)
+                time.sleep(0.1)
                 auto.SendKeys('{Esc}')
+                time.sleep(0.1)
+                # 确保选中一个对话并打开（加载右侧消息）
+                auto.SendKeys('{Down}')
                 time.sleep(0.15)
+                auto.SendKeys('{Enter}')
+                time.sleep(0.5)  # 等消息加载
 
             # Ctrl+A (全选)
             auto.SendKeys('{Ctrl}a')
@@ -590,8 +559,7 @@ class MessageMonitor:
                 texts = self._read_message_list(window)
                 if texts:
                     return texts
-            # TIM / QQ NT UIA 缓存失效: 聚焦消息区 → 剪贴板
-            self._focus_message_area(platform)
+            # TIM / QQ NT UIA 缓存失效: 剪贴板法（内部含前置+键盘聚焦）
             texts = self._read_via_clipboard(platform)
             if texts:
                 return texts