diff --git a/docs/project-review.md b/docs/project-review.md
index 2e6f8ff..67646f3 100644
--- a/docs/project-review.md
+++ b/docs/project-review.md
@@ -39,8 +39,9 @@
 ~~`m_speedHistory` 每秒只给 `m_activeInterface` 追加采样点，非活动接口永不采集，切换到新接口时趋势图为空。~~
 已新增 `m_lastRxBytesByIface` / `m_lastTxBytesByIface` 跟踪所有接口的字节基线，`calculateSpeed()` 遍历所有接口采集速度历史。切换接口时趋势图立即有数据。
 
-**8. 窗口居中未考虑多显示器**
-`AboutWindow`、`SettingsWindow`、`TrafficChartWindow` 用 `Screen.width/height` 居中，frameless 窗口在多屏环境下可能出现在非预期屏幕。
+**8. ~~窗口居中未考虑多显示器~~ ✅ 已修复**
+~~`AboutWindow`、`SettingsWindow`、`TrafficChartWindow` 用 `Screen.width/height` 居中，frameless 窗口在多屏环境下可能出现在非预期屏幕。~~
+已加 `Screen.virtualX` / `Screen.virtualY` 偏移，窗口在任务栏所在屏幕内居中而非虚拟桌面原点。
 
 **9. SPDX 版权归属为占位符**
 所有文件头 `SPDX-FileCopyrightText: 2024 MyCompany`，"MyCompany" 是模板占位符，应改为实际版权持有者（如 `2024 Jokul`）。
diff --git a/package/components/AboutWindow.qml b/package/components/AboutWindow.qml
index 1c843cc..18bfdf3 100644
--- a/package/components/AboutWindow.qml
+++ b/package/components/AboutWindow.qml
@@ -48,8 +48,10 @@ Window {
 
     onVisibleChanged: {
         if (visible) {
-            x = (Screen.width - width) / 2
-            y = (Screen.height - height) / 2
+            // 居中到当前屏幕（任务栏所在屏幕），加 virtualX/virtualY 偏移
+            // 避免多显示器下窗口出现在非预期屏幕
+            x = Screen.virtualX + (Screen.width - width) / 2
+            y = Screen.virtualY + (Screen.height - height) / 2
         }
     }
 
diff --git a/package/components/SettingsWindow.qml b/package/components/SettingsWindow.qml
index 582e8e0..32a7709 100644
--- a/package/components/SettingsWindow.qml
+++ b/package/components/SettingsWindow.qml
@@ -97,11 +97,12 @@ Window {
         return "◉"                                  // 其他：通用网络节点
     }
 
-    // 显示时居中到桌面
+    // 显示时居中到当前屏幕（任务栏所在屏幕）
     onVisibleChanged: {
         if (visible) {
-            x = (Screen.width - width) / 2
-            y = (Screen.height - height) / 2
+            // 加 virtualX/virtualY 偏移，避免多显示器下窗口出现在非预期屏幕
+            x = Screen.virtualX + (Screen.width - width) / 2
+            y = Screen.virtualY + (Screen.height - height) / 2
         }
     }
 
diff --git a/package/components/TrafficChartWindow.qml b/package/components/TrafficChartWindow.qml
index f4b0fe0..485b78b 100644
--- a/package/components/TrafficChartWindow.qml
+++ b/package/components/TrafficChartWindow.qml
@@ -95,8 +95,10 @@ Window {
 
     onVisibleChanged: {
         if (visible) {
-            x = (Screen.width - width) / 2
-            y = (Screen.height - height) / 2
+            // 居中到当前屏幕（任务栏所在屏幕），加 virtualX/virtualY 偏移
+            // 避免多显示器下窗口出现在非预期屏幕
+            x = Screen.virtualX + (Screen.width - width) / 2
+            y = Screen.virtualY + (Screen.height - height) / 2
         }
     }