diff --git a/dot_local/bin/toggle-resolution.py b/dot_local/bin/toggle-resolution.py
new file mode 100755
index 0000000..cca05d8
--- /dev/null
+++ b/dot_local/bin/toggle-resolution.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+import subprocess
+import re
+
+def notify(title, message):
+    """呼叫 notify-send 顯示桌面通知"""
+    subprocess.run(["notify-send", title, message])
+
+# 取得 kscreen-doctor 輸出
+output = subprocess.check_output(["kscreen-doctor", "-o"], text=True)
+
+# 取得主螢幕名稱
+match_output = re.search(r"Output: \d+ (\S+)", output)
+screen = match_output.group(1) if match_output else "eDP-1"
+
+# 取得帶 * 的模式（當前模式）
+match_mode = re.search(r"(\d+x\d+@\d+\*)", output)
+current_mode = match_mode.group(1) if match_mode else ""
+
+# 取得 Geometry（邏輯解析度）
+match_geom = re.search(r"Geometry: \S+ (\d+)x(\d+)", output)
+geom_width, geom_height = (int(match_geom.group(1)), int(match_geom.group(2))) if match_geom else (0,0)
+
+# 計算縮放
+mode_width = int(current_mode.split('x')[0]) if current_mode else geom_width
+current_scale = mode_width // geom_width if geom_width else 1
+
+print(f"偵測：目前模式={current_mode}, Geometry={geom_width}x{geom_height}, 縮放={current_scale}")
+
+# 切換解析度/縮放
+if current_mode.startswith("3840x2400") and current_scale == 2:
+    new_mode = "1920x1200"
+    new_scale = 1
+    subprocess.run(["kscreen-doctor", f"output.{screen}.mode.7", f"output.{screen}.scale.{new_scale}"])
+else:
+    new_mode = "3840x2400"
+    new_scale = 2
+    subprocess.run(["kscreen-doctor", f"output.{screen}.mode.1", f"output.{screen}.scale.{new_scale}"])
+
+# 顯示通知
+notify("解析度切換完成", f"目前模式: {new_mode}, 縮放: {new_scale * 100}%")