From 67a39321314c8f422124561f7185b91be0213afa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BF=9E=E5=98=89=E4=B9=90?= <2909634071@qq.com>
Date: Sat, 25 Apr 2026 19:43:44 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E6=97=A0=E6=B3=95=E7=BC=96?=
 =?UTF-8?q?=E8=AF=91?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Mos/AppDelegate.swift                         |   5 +
 Mos/Localizable.xcstrings                     | 931 +++++++++++++-----
 Mos/Managers/MouseSensitivityManager.swift    | 103 ++
 Mos/Managers/SettingsBackupManager.swift      | 250 +++++
 Mos/Options/Options.swift                     |  19 +
 Mos/Utils/Constants.swift                     |  10 +
 Mos/Utils/EnhanceArray.swift                  |   7 +
 .../PreferencesGeneralViewController.swift    | 215 ++++
 8 files changed, 1298 insertions(+), 242 deletions(-)
 create mode 100644 Mos/Managers/MouseSensitivityManager.swift
 create mode 100644 Mos/Managers/SettingsBackupManager.swift

diff --git a/Mos/AppDelegate.swift b/Mos/AppDelegate.swift
index 58bd64eb..4317babf 100644
--- a/Mos/AppDelegate.swift
+++ b/Mos/AppDelegate.swift
@@ -97,6 +97,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         LogitechHIDManager.shared.stop()
         ScrollCore.shared.disable()
         ButtonCore.shared.disable()
+        MouseSensitivityManager.shared.disable()
     }
     
     // 检查是否有访问 accessibility 权限, 如果有则启动滚动处理, 并结束计时器
@@ -111,6 +112,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
                 ScrollCore.shared.enable()
                 ButtonCore.shared.enable()
                 LogitechHIDManager.shared.start()
+                MouseSensitivityManager.shared.refresh()
             }
         } else {
             if Utils.isHadAccessibilityPermissions() {
@@ -118,6 +120,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
                 ScrollCore.shared.enable()
                 ButtonCore.shared.enable()
                 LogitechHIDManager.shared.start()
+                MouseSensitivityManager.shared.refresh()
             } else {
                 // 如果应用不在辅助权限列表内, 则弹出欢迎窗口
                 WindowManager.shared.showWindow(withIdentifier: WINDOW_IDENTIFIER.introductionWindowController, withTitle: "")
@@ -143,6 +146,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         LogitechHIDManager.shared.stop()
         ScrollCore.shared.disable()
         ButtonCore.shared.disable()
+        MouseSensitivityManager.shared.disable()
     }
     // 辅助功能权限在运行时被撤销 (可能由多个 Interceptor 同时触发, 此方法必须幂等)
     @objc func handleAccessibilityPermissionLost() {
@@ -152,6 +156,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         LogitechHIDManager.shared.stop()
         ScrollCore.shared.disable()
         ButtonCore.shared.disable()
+        MouseSensitivityManager.shared.disable()
         Toast.show(
             NSLocalizedString("Accessibility permission lost, Mos has been paused", comment: ""),
             style: .warning,
diff --git a/Mos/Localizable.xcstrings b/Mos/Localizable.xcstrings
index de98fd6f..a178e620 100755
--- a/Mos/Localizable.xcstrings
+++ b/Mos/Localizable.xcstrings
@@ -389,6 +389,100 @@
         }
       }
     },
+    "button_conflict_detail" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "This button appears to be managed by another app (e.g. Logitech Options+). When both apps capture the same button, behavior may be unpredictable. Release it in the other app, or quit that app, to let Mos handle it."
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "このボタンは他のアプリ (Logitech Options+ など) に管理されているようです。両方のアプリが同じボタンを捕捉すると、動作が不安定になる場合があります。他のアプリでこのボタンを解放するか、そのアプリを終了すると、Mos が処理できるようになります。"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "이 버튼은 다른 앱(예: Logitech Options+)이 관리하는 것으로 보입니다. 두 앱이 같은 버튼을 캡처하면 예기치 않은 동작이 발생할 수 있습니다. 다른 앱에서 이 버튼을 해제하거나 해당 앱을 종료하면 Mos가 처리할 수 있습니다."
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "此按键似乎正被其他应用 (例如 Logitech Options+) 接管。两个应用同时捕获同一按键可能导致行为异常。请在对应应用中释放该按键,或退出该应用,以便由 Mos 处理。"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "此按鍵似乎正被其他應用程式 (例如 Logitech Options+) 接管。兩個應用程式同時捕捉同一按鍵可能導致行為異常。請在對應應用程式中釋放該按鍵,或退出該應用程式,以便由 Mos 處理。"
+          }
+        },
+        "zh-Hant-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "此按鍵似乎正被其他應用程式 (例如 Logitech Options+) 接管。兩個應用程式同時捕捉同一按鍵可能導致行為異常。請在對應應用程式中釋放該按鍵,或退出該應用程式,以便由 Mos 處理。"
+          }
+        },
+        "zh-Hant-TW" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "此按鍵似乎正被其他應用程式 (例如 Logitech Options+) 接管。兩個應用程式同時捕捉同一按鍵可能導致行為異常。請在對應應用程式中釋放該按鍵,或退出該應用程式,以便由 Mos 處理。"
+          }
+        }
+      }
+    },
+    "button_conflict_title" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Button may be managed by another app"
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "このボタンは他のアプリが管理している可能性があります"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "이 버튼은 다른 앱이 관리할 수 있습니다"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "此按键可能被其他应用接管"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "此按鍵可能被其他應用程式接管"
+          }
+        },
+        "zh-Hant-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "此按鍵可能被其他應用程式接管"
+          }
+        },
+        "zh-Hant-TW" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "此按鍵可能被其他應用程式接管"
+          }
+        }
+      }
+    },
     "categoryAccessibility" : {
       "extractionState" : "manual",
       "localizations" : {
@@ -2085,23 +2179,6 @@
     "Custom Icon (app icon)" : {
       "comment" : "Toast debug custom icon checkbox"
     },
-    "custom-shortcut" : {
-      "extractionState" : "manual",
-      "localizations" : {
-        "en" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Custom…"
-          }
-        },
-        "zh-Hans" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "自定义…"
-          }
-        }
-      }
-    },
     "custom-recording-prompt" : {
       "comment" : "Prompt shown on the action button while custom shortcut recording is active",
       "extractionState" : "manual",
@@ -2192,6 +2269,23 @@
         }
       }
     },
+    "custom-shortcut" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Custom…"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "自定义…"
+          }
+        }
+      }
+    },
     "cut" : {
       "extractionState" : "manual",
       "localizations" : {
@@ -2644,25 +2738,6 @@
         }
       }
     },
-    "escapeKey" : {
-      "extractionState" : "manual",
-      "localizations" : {
-        "cs" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "de" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "el" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "en" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "fr" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "ja" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "ko" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "ru" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "tr" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "uk" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "zh-Hans" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "zh-Hant" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "zh-Hant-HK" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } },
-        "zh-Hant-TW" : { "stringUnit" : { "state" : "translated", "value" : "Escape" } }
-      }
-    },
     "Duration" : {
       "comment" : "Toast debug duration label"
     },
@@ -2755,12 +2830,104 @@
         }
       }
     },
+    "Enable Mouse Sensitivity Adjustment" : {
+      "comment" : "Enable mouse sensitivity adjustment"
+    },
     "Enter toast message..." : {
       "comment" : "Toast debug message placeholder"
     },
     "Error style" : {
       "comment" : "Toast debug quick test message"
     },
+    "escapeKey" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "zh-Hant-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        },
+        "zh-Hant-TW" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Escape"
+          }
+        }
+      }
+    },
     "Event Monitor" : {
       "extractionState" : "stale",
       "localizations" : {
@@ -2852,6 +3019,15 @@
     },
     "Exceed max, test eviction" : {
       "comment" : "Toast debug quick test subtitle"
+    },
+    "Export Settings" : {
+      "comment" : "Export settings"
+    },
+    "Failed to export settings" : {
+
+    },
+    "Failed to import settings" : {
+
     },
     "featureNotAvailable" : {
       "localizations" : {
@@ -3412,6 +3588,9 @@
     "ℹ️ Info" : {
       "comment" : "Toast debug style button"
     },
+    "Import Settings" : {
+      "comment" : "Import settings"
+    },
     "Info style" : {
       "comment" : "Toast debug quick test message"
     },
@@ -5554,277 +5733,630 @@
         }
       }
     },
-    "mouseBackClick" : {
+    "modifierCommand" : {
       "extractionState" : "manual",
       "localizations" : {
         "cs" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Zpět"
+            "value" : "Command"
           }
         },
         "de" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Zurück"
+            "value" : "Command"
           }
         },
         "el" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Πίσω"
+            "value" : "Command"
           }
         },
         "en" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Back"
+            "value" : "Command"
           }
         },
         "fr" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Précédent"
+            "value" : "Command"
           }
         },
         "ja" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "戻る"
+            "value" : "Command"
           }
         },
         "ko" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "뒤로"
+            "value" : "Command"
           }
         },
         "ru" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Назад"
+            "value" : "Command"
           }
         },
         "tr" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Geri"
+            "value" : "Command"
           }
         },
         "uk" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Назад"
+            "value" : "Command"
           }
         },
         "zh-Hans" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "后退"
+            "value" : "Command"
           }
         },
         "zh-Hant" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "上一頁"
+            "value" : "Command"
           }
         },
         "zh-Hant-HK" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "上一頁"
+            "value" : "Command"
           }
         },
         "zh-Hant-TW" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "上一頁"
+            "value" : "Command"
           }
         }
       }
     },
-    "mouseForwardClick" : {
+    "modifierControl" : {
       "extractionState" : "manual",
       "localizations" : {
         "cs" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Vpřed"
+            "value" : "Control"
           }
         },
         "de" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Vorwärts"
+            "value" : "Control"
           }
         },
         "el" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Μπροστά"
+            "value" : "Control"
           }
         },
         "en" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Forward"
+            "value" : "Control"
           }
         },
         "fr" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Suivant"
+            "value" : "Control"
           }
         },
         "ja" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "進む"
+            "value" : "Control"
           }
         },
         "ko" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "앞으로"
+            "value" : "Control"
           }
         },
         "ru" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Вперёд"
+            "value" : "Control"
           }
         },
         "tr" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "İleri"
+            "value" : "Control"
           }
         },
         "uk" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Вперед"
+            "value" : "Control"
           }
         },
         "zh-Hans" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "前进"
+            "value" : "Control"
           }
         },
         "zh-Hant" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "下一頁"
+            "value" : "Control"
           }
         },
         "zh-Hant-HK" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "下一頁"
+            "value" : "Control"
           }
         },
         "zh-Hant-TW" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "下一頁"
+            "value" : "Control"
           }
         }
       }
     },
-    "modifierCommand" : {
-      "extractionState" : "manual",
-      "localizations" : {
-        "cs" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "de" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "el" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "en" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "fr" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "ja" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "ko" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "ru" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "tr" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "uk" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "zh-Hans" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "zh-Hant" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "zh-Hant-HK" : { "stringUnit" : { "state" : "translated", "value" : "Command" } },
-        "zh-Hant-TW" : { "stringUnit" : { "state" : "translated", "value" : "Command" } }
-      }
-    },
-    "modifierControl" : {
-      "extractionState" : "manual",
-      "localizations" : {
-        "cs" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "de" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "el" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "en" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "fr" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "ja" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "ko" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "ru" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "tr" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "uk" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "zh-Hans" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "zh-Hant" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "zh-Hant-HK" : { "stringUnit" : { "state" : "translated", "value" : "Control" } },
-        "zh-Hant-TW" : { "stringUnit" : { "state" : "translated", "value" : "Control" } }
-      }
-    },
     "modifierFn" : {
       "extractionState" : "manual",
       "localizations" : {
-        "cs" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "de" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "el" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "en" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "fr" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "ja" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "ko" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "ru" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "tr" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "uk" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "zh-Hans" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "zh-Hant" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "zh-Hant-HK" : { "stringUnit" : { "state" : "translated", "value" : "Function" } },
-        "zh-Hant-TW" : { "stringUnit" : { "state" : "translated", "value" : "Function" } }
-      }
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "zh-Hant-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        },
+        "zh-Hant-TW" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Function"
+          }
+        }
+      }
     },
     "modifierOption" : {
       "extractionState" : "manual",
       "localizations" : {
-        "cs" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "de" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "el" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "en" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "fr" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "ja" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "ko" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "ru" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "tr" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "uk" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "zh-Hans" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "zh-Hant" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "zh-Hant-HK" : { "stringUnit" : { "state" : "translated", "value" : "Option" } },
-        "zh-Hant-TW" : { "stringUnit" : { "state" : "translated", "value" : "Option" } }
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "zh-Hant-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        },
+        "zh-Hant-TW" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Option"
+          }
+        }
       }
     },
     "modifierShift" : {
       "extractionState" : "manual",
       "localizations" : {
-        "cs" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "de" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "el" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "en" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "fr" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "ja" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "ko" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "ru" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "tr" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "uk" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "zh-Hans" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "zh-Hant" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "zh-Hant-HK" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } },
-        "zh-Hant-TW" : { "stringUnit" : { "state" : "translated", "value" : "Shift" } }
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "zh-Hant-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        },
+        "zh-Hant-TW" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Shift"
+          }
+        }
+      }
+    },
+    "Mouse Sensitivity" : {
+      "comment" : "Mouse sensitivity"
+    },
+    "mouseBackClick" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Zpět"
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Zurück"
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Πίσω"
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Back"
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Précédent"
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "戻る"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "뒤로"
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Назад"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Geri"
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Назад"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "后退"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "上一頁"
+          }
+        },
+        "zh-Hant-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "上一頁"
+          }
+        },
+        "zh-Hant-TW" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "上一頁"
+          }
+        }
+      }
+    },
+    "mouseForwardClick" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Vpřed"
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Vorwärts"
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Μπροστά"
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Forward"
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Suivant"
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "進む"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "앞으로"
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Вперёд"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "İleri"
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Вперед"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "前进"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "下一頁"
+          }
+        },
+        "zh-Hant-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "下一頁"
+          }
+        },
+        "zh-Hant-TW" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "下一頁"
+          }
+        }
       }
     },
     "mouseLeftClick" : {
@@ -8253,6 +8785,15 @@
     },
     "SEND TOAST" : {
       "comment" : "Toast debug section header"
+    },
+    "Settings Backup" : {
+      "comment" : "Settings backup"
+    },
+    "Settings exported successfully" : {
+
+    },
+    "Settings imported successfully" : {
+
     },
     "Show each style" : {
       "comment" : "Toast debug quick test subtitle"
@@ -9904,101 +10445,7 @@
           }
         }
       }
-    },
-    "button_conflict_title" : {
-      "extractionState" : "manual",
-      "localizations" : {
-        "en" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Button may be managed by another app"
-          }
-        },
-        "ja" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "このボタンは他のアプリが管理している可能性があります"
-          }
-        },
-        "ko" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "이 버튼은 다른 앱이 관리할 수 있습니다"
-          }
-        },
-        "zh-Hans" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "此按键可能被其他应用接管"
-          }
-        },
-        "zh-Hant" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "此按鍵可能被其他應用程式接管"
-          }
-        },
-        "zh-Hant-HK" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "此按鍵可能被其他應用程式接管"
-          }
-        },
-        "zh-Hant-TW" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "此按鍵可能被其他應用程式接管"
-          }
-        }
-      }
-    },
-    "button_conflict_detail" : {
-      "extractionState" : "manual",
-      "localizations" : {
-        "en" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "This button appears to be managed by another app (e.g. Logitech Options+). When both apps capture the same button, behavior may be unpredictable. Release it in the other app, or quit that app, to let Mos handle it."
-          }
-        },
-        "ja" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "このボタンは他のアプリ (Logitech Options+ など) に管理されているようです。両方のアプリが同じボタンを捕捉すると、動作が不安定になる場合があります。他のアプリでこのボタンを解放するか、そのアプリを終了すると、Mos が処理できるようになります。"
-          }
-        },
-        "ko" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "이 버튼은 다른 앱(예: Logitech Options+)이 관리하는 것으로 보입니다. 두 앱이 같은 버튼을 캡처하면 예기치 않은 동작이 발생할 수 있습니다. 다른 앱에서 이 버튼을 해제하거나 해당 앱을 종료하면 Mos가 처리할 수 있습니다."
-          }
-        },
-        "zh-Hans" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "此按键似乎正被其他应用 (例如 Logitech Options+) 接管。两个应用同时捕获同一按键可能导致行为异常。请在对应应用中释放该按键,或退出该应用,以便由 Mos 处理。"
-          }
-        },
-        "zh-Hant" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "此按鍵似乎正被其他應用程式 (例如 Logitech Options+) 接管。兩個應用程式同時捕捉同一按鍵可能導致行為異常。請在對應應用程式中釋放該按鍵,或退出該應用程式,以便由 Mos 處理。"
-          }
-        },
-        "zh-Hant-HK" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "此按鍵似乎正被其他應用程式 (例如 Logitech Options+) 接管。兩個應用程式同時捕捉同一按鍵可能導致行為異常。請在對應應用程式中釋放該按鍵,或退出該應用程式,以便由 Mos 處理。"
-          }
-        },
-        "zh-Hant-TW" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "此按鍵似乎正被其他應用程式 (例如 Logitech Options+) 接管。兩個應用程式同時捕捉同一按鍵可能導致行為異常。請在對應應用程式中釋放該按鍵,或退出該應用程式,以便由 Mos 處理。"
-          }
-        }
-      }
     }
   },
   "version" : "1.1"
-}
+}
\ No newline at end of file
diff --git a/Mos/Managers/MouseSensitivityManager.swift b/Mos/Managers/MouseSensitivityManager.swift
new file mode 100644
index 00000000..76a83b7f
--- /dev/null
+++ b/Mos/Managers/MouseSensitivityManager.swift
@@ -0,0 +1,103 @@
+//
+//  MouseSensitivityManager.swift
+//  Mos
+//  鼠标灵敏度管理器
+//  Created by Mos on 2026/4/25.
+//
+
+import Cocoa
+
+class MouseSensitivityManager {
+    static let shared = MouseSensitivityManager()
+    
+    private var isActive = false
+    private var mouseMoveInterceptor: Interceptor?
+    
+    private static let mouseMoveEventMask: CGEventMask =
+        (CGEventMask(1 << CGEventType.mouseMoved.rawValue)) |
+        (CGEventMask(1 << CGEventType.leftMouseDragged.rawValue)) |
+        (CGEventMask(1 << CGEventType.rightMouseDragged.rawValue)) |
+        (CGEventMask(1 << CGEventType.otherMouseDragged.rawValue))
+    
+    private static let mouseMoveEventCallback: CGEventTapCallBack = { _, type, event, _ in
+        MouseSensitivityManager.shared.handleMouseMoveEvent(type: type, event: event)
+    }
+    
+    init() {
+        NSLog("Module initialized: MouseSensitivityManager")
+    }
+    
+    func enable() {
+        if isActive { return }
+        isActive = true
+        
+        do {
+            mouseMoveInterceptor = try Interceptor(
+                event: Self.mouseMoveEventMask,
+                handleBy: Self.mouseMoveEventCallback,
+                listenOn: .cgAnnotatedSessionEventTap,
+                placeAt: .tailAppendEventTap,
+                for: .defaultTap
+            )
+            mouseMoveInterceptor?.onRestart = { [weak self] in
+                self?.restartIfNeeded()
+            }
+            mouseMoveInterceptor?.shouldRestart = { [weak self] in
+                    self?.isActive ?? false
+                }
+        } catch {
+            NSLog("MouseSensitivityManager: Failed to create interceptor: \(error)")
+            isActive = false
+        }
+    }
+    
+    func disable() {
+        if !isActive { return }
+        isActive = false
+        
+        mouseMoveInterceptor?.stop()
+        mouseMoveInterceptor = nil
+    }
+    
+    func refresh() {
+        if Options.shared.mouse.enableSensitivity {
+            enable()
+        } else {
+            disable()
+        }
+    }
+    
+    private func restartIfNeeded() {
+        if isActive {
+            mouseMoveInterceptor?.restart()
+        }
+    }
+    
+    private func handleMouseMoveEvent(type: CGEventType, event: CGEvent) -> Unmanaged<CGEvent>? {
+        if type == .tapDisabledByTimeout || type == .tapDisabledByUserInput {
+            restartIfNeeded()
+            return Unmanaged.passUnretained(event)
+        }
+        
+        guard Options.shared.mouse.enableSensitivity else {
+            return Unmanaged.passUnretained(event)
+        }
+        
+        let sensitivity = Options.shared.mouse.sensitivity
+        
+        guard sensitivity != 1.0 else {
+            return Unmanaged.passUnretained(event)
+        }
+        
+        let deltaX = event.getIntegerValueField(.mouseEventDeltaX)
+        let deltaY = event.getIntegerValueField(.mouseEventDeltaY)
+        
+        let adjustedDeltaX = Int64(Double(deltaX) * sensitivity)
+        let adjustedDeltaY = Int64(Double(deltaY) * sensitivity)
+        
+        event.setIntegerValueField(.mouseEventDeltaX, value: adjustedDeltaX)
+        event.setIntegerValueField(.mouseEventDeltaY, value: adjustedDeltaY)
+        
+        return Unmanaged.passUnretained(event)
+    }
+}
diff --git a/Mos/Managers/SettingsBackupManager.swift b/Mos/Managers/SettingsBackupManager.swift
new file mode 100644
index 00000000..0763d7ec
--- /dev/null
+++ b/Mos/Managers/SettingsBackupManager.swift
@@ -0,0 +1,250 @@
+//
+//  SettingsBackupManager.swift
+//  Mos
+//  设置备份导入导出管理器
+//  Created by Mos on 2026/4/25.
+//
+
+import Cocoa
+
+struct SettingsBackup: Codable {
+    let version: Int
+    let timestamp: Date
+    
+    let general: GeneralBackup
+    let update: UpdateBackup
+    let scroll: ScrollBackup
+    let buttons: ButtonsBackup
+    let application: ApplicationBackup
+    let mouse: MouseBackup
+    
+    struct GeneralBackup: Codable {
+        let hideStatusItem: Bool
+    }
+    
+    struct UpdateBackup: Codable {
+        let checkOnAppStart: Bool
+        let includingBetaVersion: Bool
+    }
+    
+    struct ScrollBackup: Codable {
+        let smooth: Bool
+        let reverse: Bool
+        let reverseVertical: Bool
+        let reverseHorizontal: Bool
+        let dash: ScrollHotkey?
+        let toggle: ScrollHotkey?
+        let block: ScrollHotkey?
+        let step: Double
+        let speed: Double
+        let duration: Double
+        let deadZone: Double
+        let smoothSimTrackpad: Bool
+        let smoothVertical: Bool
+        let smoothHorizontal: Bool
+        let durationBeforeSimTrackpadLock: Double?
+    }
+    
+    struct ButtonsBackup: Codable {
+        let binding: [ButtonBinding]
+    }
+    
+    struct ApplicationBackup: Codable {
+        let allowlist: Bool
+        let applications: [Application]
+    }
+    
+    struct MouseBackup: Codable {
+        let enableSensitivity: Bool
+        let sensitivity: Double
+    }
+}
+
+class SettingsBackupManager {
+    static let shared = SettingsBackupManager()
+    
+    private let currentVersion = 1
+    private let encoder = JSONEncoder()
+    private let decoder = JSONDecoder()
+    
+    init() {
+        encoder.outputFormatting = [.prettyPrinted, .sortedKeys]
+        encoder.dateEncodingStrategy = .iso8601
+        decoder.dateDecodingStrategy = .iso8601
+    }
+    
+    func exportSettings() -> Bool {
+        let backup = createBackup()
+        
+        let savePanel = NSSavePanel()
+        savePanel.canCreateDirectories = true
+        savePanel.nameFieldStringValue = generateDefaultFilename()
+        // 兼容 macOS 10.13: allowedContentTypes 是 macOS 11.0+ 的 API
+        // 使用 allowedFileTypes 替代
+        savePanel.allowedFileTypes = ["json"]
+        
+        let response = savePanel.runModal()
+        
+        guard response == .OK, let url = savePanel.url else {
+            return false
+        }
+        
+        do {
+            let data = try encoder.encode(backup)
+            try data.write(to: url)
+            
+            Toast.show(
+                NSLocalizedString("Settings exported successfully", comment: ""),
+                style: .success,
+                duration: 3.0
+            )
+            
+            return true
+        } catch {
+            NSLog("Failed to export settings: \(error)")
+            
+            Toast.show(
+                NSLocalizedString("Failed to export settings", comment: ""),
+                style: .error,
+                duration: 3.0
+            )
+            
+            return false
+        }
+    }
+    
+    func importSettings() -> Bool {
+        let openPanel = NSOpenPanel()
+        openPanel.canChooseFiles = true
+        openPanel.canChooseDirectories = false
+        openPanel.allowsMultipleSelection = false
+        // 兼容 macOS 10.13: allowedContentTypes 是 macOS 11.0+ 的 API
+        // 使用 allowedFileTypes 替代
+        openPanel.allowedFileTypes = ["json"]
+        
+        let response = openPanel.runModal()
+        
+        guard response == .OK, let url = openPanel.url else {
+            return false
+        }
+        
+        do {
+            let data = try Data(contentsOf: url)
+            let backup = try decoder.decode(SettingsBackup.self, from: data)
+            
+            applyBackup(backup)
+            
+            Toast.show(
+                NSLocalizedString("Settings imported successfully", comment: ""),
+                style: .success,
+                duration: 3.0
+            )
+            
+            return true
+        } catch {
+            NSLog("Failed to import settings: \(error)")
+            
+            Toast.show(
+                NSLocalizedString("Failed to import settings", comment: ""),
+                style: .error,
+                duration: 3.0
+            )
+            
+            return false
+        }
+    }
+    
+    private func createBackup() -> SettingsBackup {
+        return SettingsBackup(
+            version: currentVersion,
+            timestamp: Date(),
+            general: SettingsBackup.GeneralBackup(
+                hideStatusItem: Options.shared.general.hideStatusItem
+            ),
+            update: SettingsBackup.UpdateBackup(
+                checkOnAppStart: Options.shared.update.checkOnAppStart,
+                includingBetaVersion: Options.shared.update.includingBetaVersion
+            ),
+            scroll: SettingsBackup.ScrollBackup(
+                smooth: Options.shared.scroll.smooth,
+                reverse: Options.shared.scroll.reverse,
+                reverseVertical: Options.shared.scroll.reverseVertical,
+                reverseHorizontal: Options.shared.scroll.reverseHorizontal,
+                dash: Options.shared.scroll.dash,
+                toggle: Options.shared.scroll.toggle,
+                block: Options.shared.scroll.block,
+                step: Options.shared.scroll.step,
+                speed: Options.shared.scroll.speed,
+                duration: Options.shared.scroll.duration,
+                deadZone: Options.shared.scroll.deadZone,
+                smoothSimTrackpad: Options.shared.scroll.smoothSimTrackpad,
+                smoothVertical: Options.shared.scroll.smoothVertical,
+                smoothHorizontal: Options.shared.scroll.smoothHorizontal,
+                durationBeforeSimTrackpadLock: Options.shared.scroll.durationBeforeSimTrackpadLock
+            ),
+            buttons: SettingsBackup.ButtonsBackup(
+                binding: Options.shared.buttons.binding
+            ),
+            application: SettingsBackup.ApplicationBackup(
+                allowlist: Options.shared.application.allowlist,
+                applications: Options.shared.application.applications.allElements
+            ),
+            mouse: SettingsBackup.MouseBackup(
+                enableSensitivity: Options.shared.mouse.enableSensitivity,
+                sensitivity: Options.shared.mouse.sensitivity
+            )
+        )
+    }
+    
+    private func applyBackup(_ backup: SettingsBackup) {
+        Options.shared.general.hideStatusItem = backup.general.hideStatusItem
+        Options.shared.update.checkOnAppStart = backup.update.checkOnAppStart
+        Options.shared.update.includingBetaVersion = backup.update.includingBetaVersion
+        
+        Options.shared.scroll.smooth = backup.scroll.smooth
+        Options.shared.scroll.reverse = backup.scroll.reverse
+        Options.shared.scroll.reverseVertical = backup.scroll.reverseVertical
+        Options.shared.scroll.reverseHorizontal = backup.scroll.reverseHorizontal
+        Options.shared.scroll.dash = backup.scroll.dash
+        Options.shared.scroll.toggle = backup.scroll.toggle
+        Options.shared.scroll.block = backup.scroll.block
+        Options.shared.scroll.step = backup.scroll.step
+        Options.shared.scroll.speed = backup.scroll.speed
+        Options.shared.scroll.duration = backup.scroll.duration
+        Options.shared.scroll.deadZone = backup.scroll.deadZone
+        Options.shared.scroll.smoothSimTrackpad = backup.scroll.smoothSimTrackpad
+        Options.shared.scroll.smoothVertical = backup.scroll.smoothVertical
+        Options.shared.scroll.smoothHorizontal = backup.scroll.smoothHorizontal
+        Options.shared.scroll.durationBeforeSimTrackpadLock = backup.scroll.durationBeforeSimTrackpadLock
+        
+        Options.shared.buttons.binding = backup.buttons.binding
+        
+        Options.shared.application.allowlist = backup.application.allowlist
+        Options.shared.application.applications = EnhanceArray(
+            withArray: backup.application.applications,
+            matchKey: "path",
+            forObserver: { Options.shared.saveOptions() }
+        )
+        
+        Options.shared.mouse.enableSensitivity = backup.mouse.enableSensitivity
+        Options.shared.mouse.sensitivity = backup.mouse.sensitivity
+        
+        Options.shared.saveOptions()
+        
+        MouseSensitivityManager.shared.refresh()
+        LogitechHIDManager.shared.syncDivertWithBindings()
+        
+        NotificationCenter.default.post(name: .mosSettingsImported, object: nil)
+    }
+    
+    private func generateDefaultFilename() -> String {
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat = "yyyyMMdd-HHmmss"
+        let dateString = dateFormatter.string(from: Date())
+        return "mos-settings-backup-\(dateString)"
+    }
+}
+
+extension Notification.Name {
+    static let mosSettingsImported = Notification.Name("mosSettingsImported")
+}
diff --git a/Mos/Options/Options.swift b/Mos/Options/Options.swift
index 9aef3a0c..08d78977 100644
--- a/Mos/Options/Options.swift
+++ b/Mos/Options/Options.swift
@@ -46,6 +46,11 @@ struct OptionItem {
         static let Allowlist = "allowlist"
         static let Applications = "applications"
     }
+
+    struct Mouse {
+        static let Sensitivity = "mouseSensitivity"
+        static let EnableSensitivity = "enableMouseSensitivity"
+    }
 }
 
 class Options {
@@ -76,6 +81,10 @@ class Options {
     var application = OPTIONS_APPLICATION_DEFAULT() {
         didSet { Options.shared.saveOptions() }
     }
+    // 鼠标
+    var mouse = OPTIONS_MOUSE_DEFAULT() {
+        didSet { Options.shared.saveOptions() }
+    }
 }
 
 /**
@@ -136,6 +145,13 @@ extension Options {
         // 应用
         application.allowlist = UserDefaults.standard.bool(forKey: OptionItem.Application.Allowlist)
         application.applications = loadApplicationsData()
+        // 鼠标
+        mouse.enableSensitivity = UserDefaults.standard.bool(forKey: OptionItem.Mouse.EnableSensitivity)
+        if let storedSensitivity = UserDefaults.standard.object(forKey: OptionItem.Mouse.Sensitivity) as? Double {
+            mouse.sensitivity = storedSensitivity
+        } else {
+            mouse.sensitivity = OPTIONS_MOUSE_DEFAULT().sensitivity
+        }
         // 解锁
         readingOptionsLock = false
     }
@@ -174,6 +190,9 @@ extension Options {
             }
             // 按钮绑定
             saveButtonBindingsData()
+            // 鼠标
+            UserDefaults.standard.set(mouse.enableSensitivity, forKey: OptionItem.Mouse.EnableSensitivity)
+            UserDefaults.standard.set(mouse.sensitivity, forKey: OptionItem.Mouse.Sensitivity)
         }
     }
 
diff --git a/Mos/Utils/Constants.swift b/Mos/Utils/Constants.swift
index d44cbe42..db348161 100644
--- a/Mos/Utils/Constants.swift
+++ b/Mos/Utils/Constants.swift
@@ -217,6 +217,16 @@ class OPTIONS_APPLICATION_DEFAULT {
     )
 }
 
+// 鼠标设置
+class OPTIONS_MOUSE_DEFAULT: Codable {
+    var enableSensitivity = false {
+        didSet { Options.shared.saveOptions() }
+    }
+    var sensitivity = 1.0 {
+        didSet { Options.shared.saveOptions() }
+    }
+}
+
 // MARK: - Notification Names
 extension Notification.Name {
     /// 辅助功能权限在运行时被撤销
diff --git a/Mos/Utils/EnhanceArray.swift b/Mos/Utils/EnhanceArray.swift
index 85392c4d..3fd54465 100644
--- a/Mos/Utils/EnhanceArray.swift
+++ b/Mos/Utils/EnhanceArray.swift
@@ -42,6 +42,13 @@ extension EnhanceArray {
             return array.count
         }
     }
+    
+    // 获取所有元素的数组副本
+    var allElements: [T] {
+        get {
+            return array
+        }
+    }
     // 获取值
     public func get(by key: String?) -> T? {
         guard let validKey = key, let index = dictionary[validKey] else { return nil }
diff --git a/Mos/Windows/PreferencesWindow/GeneralView/PreferencesGeneralViewController.swift b/Mos/Windows/PreferencesWindow/GeneralView/PreferencesGeneralViewController.swift
index 38810edb..d8dae252 100644
--- a/Mos/Windows/PreferencesWindow/GeneralView/PreferencesGeneralViewController.swift
+++ b/Mos/Windows/PreferencesWindow/GeneralView/PreferencesGeneralViewController.swift
@@ -14,11 +14,166 @@ class PreferencesGeneralViewController: NSViewController {
     @IBOutlet weak var launchOnLoginCheckBox: NSButton!
     @IBOutlet weak var hideStatusBarIconCheckBox: NSButton!
     
+    // Mouse Sensitivity UI Elements (created programmatically)
+    private var mouseSensitivityCheckBox: NSButton!
+    private var mouseSensitivityLabel: NSTextField!
+    private var mouseSensitivitySlider: NSSlider!
+    private var mouseSensitivityInput: NSTextField!
+    private var mouseSensitivityStepper: NSStepper!
+    private var mouseSensitivityValueLabel: NSTextField!
+    
+    // Backup/Restore UI Elements
+    private var exportSettingsButton: NSButton!
+    private var importSettingsButton: NSButton!
+    
+    // Layout constraints
+    private var dynamicConstraints: [NSLayoutConstraint] = []
+    
+    // Separators (kept as properties to prevent deallocation)
+    private var separator1: NSBox!
+    private var separator2: NSBox!
+    private var backupLabel: NSTextField!
+    
     override func viewDidLoad() {
+        super.viewDidLoad()
+        // 创建动态 UI 元素
+        createMouseSensitivityUI()
+        createBackupUI()
         // 读取设置
         syncViewWithOptions()
     }
     
+    // 创建鼠标灵敏度设置 UI
+    private func createMouseSensitivityUI() {
+        // 分隔线
+        separator1 = NSBox()
+        separator1.boxType = .separator
+        separator1.translatesAutoresizingMaskIntoConstraints = false
+        view.addSubview(separator1)
+        
+        // 鼠标灵敏度复选框
+        mouseSensitivityCheckBox = NSButton(checkboxWithTitle: NSLocalizedString("Enable Mouse Sensitivity Adjustment", comment: "Enable mouse sensitivity adjustment"), target: self, action: #selector(mouseSensitivityCheckBoxClick(_:)))
+        mouseSensitivityCheckBox.translatesAutoresizingMaskIntoConstraints = false
+        view.addSubview(mouseSensitivityCheckBox)
+        
+        // 鼠标灵敏度标签
+        mouseSensitivityLabel = NSTextField(labelWithString: NSLocalizedString("Mouse Sensitivity", comment: "Mouse sensitivity"))
+        mouseSensitivityLabel.translatesAutoresizingMaskIntoConstraints = false
+        mouseSensitivityLabel.isBezeled = false
+        mouseSensitivityLabel.isEditable = false
+        mouseSensitivityLabel.drawsBackground = false
+        view.addSubview(mouseSensitivityLabel)
+        
+        // 鼠标灵敏度滑块
+        mouseSensitivitySlider = NSSlider(value: 1.0, minValue: 0.1, maxValue: 5.0, target: self, action: #selector(mouseSensitivitySliderChange(_:)))
+        mouseSensitivitySlider.translatesAutoresizingMaskIntoConstraints = false
+        // 注意: allowsTickMarks 是 macOS 10.15+ 的 API，为了兼容 macOS 10.13
+        // 在旧版本中，设置 numberOfTickMarks 就会自动显示刻度标记
+        mouseSensitivitySlider.numberOfTickMarks = 10
+        view.addSubview(mouseSensitivitySlider)
+        
+        // 鼠标灵敏度输入框
+        mouseSensitivityInput = NSTextField(string: "1.00")
+        mouseSensitivityInput.translatesAutoresizingMaskIntoConstraints = false
+        mouseSensitivityInput.delegate = self
+        mouseSensitivityInput.refusesFirstResponder = true
+        mouseSensitivityInput.alignment = .center
+        mouseSensitivityInput.formatter = NumberFormatter()
+        if let formatter = mouseSensitivityInput.formatter as? NumberFormatter {
+            formatter.numberStyle = .decimal
+            formatter.minimumFractionDigits = 2
+            formatter.maximumFractionDigits = 2
+            formatter.minimum = 0.1
+            formatter.maximum = 5.0
+        }
+        view.addSubview(mouseSensitivityInput)
+        
+        // 鼠标灵敏度值标签 (显示当前值)
+        mouseSensitivityValueLabel = NSTextField(labelWithString: "1.00x")
+        mouseSensitivityValueLabel.translatesAutoresizingMaskIntoConstraints = false
+        mouseSensitivityValueLabel.isBezeled = false
+        mouseSensitivityValueLabel.isEditable = false
+        mouseSensitivityValueLabel.drawsBackground = false
+        mouseSensitivityValueLabel.alignment = .center
+        mouseSensitivityValueLabel.font = NSFont.monospacedDigitSystemFont(ofSize: NSFont.systemFontSize, weight: .regular)
+        view.addSubview(mouseSensitivityValueLabel)
+        
+        // 布局约束
+        NSLayoutConstraint.activate([
+            separator1.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 20),
+            separator1.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -20),
+            separator1.topAnchor.constraint(equalTo: hideStatusBarIconCheckBox.bottomAnchor, constant: 20),
+            
+            mouseSensitivityCheckBox.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 20),
+            mouseSensitivityCheckBox.topAnchor.constraint(equalTo: separator1.bottomAnchor, constant: 20),
+            
+            mouseSensitivityLabel.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 20),
+            mouseSensitivityLabel.topAnchor.constraint(equalTo: mouseSensitivityCheckBox.bottomAnchor, constant: 16),
+            mouseSensitivityLabel.widthAnchor.constraint(equalToConstant: 120),
+            
+            mouseSensitivitySlider.leadingAnchor.constraint(equalTo: mouseSensitivityLabel.trailingAnchor, constant: 8),
+            mouseSensitivitySlider.centerYAnchor.constraint(equalTo: mouseSensitivityLabel.centerYAnchor),
+            mouseSensitivitySlider.widthAnchor.constraint(equalToConstant: 200),
+            
+            mouseSensitivityValueLabel.leadingAnchor.constraint(equalTo: mouseSensitivitySlider.trailingAnchor, constant: 12),
+            mouseSensitivityValueLabel.centerYAnchor.constraint(equalTo: mouseSensitivityLabel.centerYAnchor),
+            mouseSensitivityValueLabel.widthAnchor.constraint(equalToConstant: 60),
+        ])
+    }
+    
+    // 创建备份/恢复 UI
+    private func createBackupUI() {
+        // 分隔线
+        separator2 = NSBox()
+        separator2.boxType = .separator
+        separator2.translatesAutoresizingMaskIntoConstraints = false
+        view.addSubview(separator2)
+        
+        // 备份/恢复标签
+        backupLabel = NSTextField(labelWithString: NSLocalizedString("Settings Backup", comment: "Settings backup"))
+        backupLabel.translatesAutoresizingMaskIntoConstraints = false
+        backupLabel.isBezeled = false
+        backupLabel.isEditable = false
+        backupLabel.drawsBackground = false
+        backupLabel.font = NSFont.boldSystemFont(ofSize: NSFont.systemFontSize)
+        view.addSubview(backupLabel)
+        
+        // 导出设置按钮
+        exportSettingsButton = NSButton(title: NSLocalizedString("Export Settings", comment: "Export settings"), target: self, action: #selector(exportSettingsClick(_:)))
+        exportSettingsButton.translatesAutoresizingMaskIntoConstraints = false
+        exportSettingsButton.bezelStyle = .rounded
+        view.addSubview(exportSettingsButton)
+        
+        // 导入设置按钮
+        importSettingsButton = NSButton(title: NSLocalizedString("Import Settings", comment: "Import settings"), target: self, action: #selector(importSettingsClick(_:)))
+        importSettingsButton.translatesAutoresizingMaskIntoConstraints = false
+        importSettingsButton.bezelStyle = .rounded
+        view.addSubview(importSettingsButton)
+        
+        // 布局约束
+        NSLayoutConstraint.activate([
+            separator2.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 20),
+            separator2.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -20),
+            separator2.topAnchor.constraint(equalTo: mouseSensitivitySlider.bottomAnchor, constant: 24),
+            
+            backupLabel.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 20),
+            backupLabel.topAnchor.constraint(equalTo: separator2.bottomAnchor, constant: 20),
+            
+            exportSettingsButton.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 20),
+            exportSettingsButton.topAnchor.constraint(equalTo: backupLabel.bottomAnchor, constant: 12),
+            exportSettingsButton.widthAnchor.constraint(equalToConstant: 120),
+            
+            importSettingsButton.leadingAnchor.constraint(equalTo: exportSettingsButton.trailingAnchor, constant: 12),
+            importSettingsButton.topAnchor.constraint(equalTo: exportSettingsButton.topAnchor),
+            importSettingsButton.widthAnchor.constraint(equalToConstant: 120),
+        ])
+        
+        // 设置视图的底部约束，确保窗口可以正确调整大小
+        let bottomConstraint = view.bottomAnchor.constraint(greaterThanOrEqualTo: exportSettingsButton.bottomAnchor, constant: 20)
+        bottomConstraint.priority = .defaultHigh
+        bottomConstraint.isActive = true
+    }
+    
     // 自启
     @IBAction func launchOnLoginClick(_ sender: NSButton) {
         Options.shared.general.autoLaunch = sender.state.rawValue==0 ? false : true
@@ -30,6 +185,37 @@ class PreferencesGeneralViewController: NSViewController {
         Options.shared.general.hideStatusItem = sender.state.rawValue==0 ? false : true
         syncViewWithOptions()
     }
+    
+    // 鼠标灵敏度启用/禁用
+    @objc func mouseSensitivityCheckBoxClick(_ sender: NSButton) {
+        Options.shared.mouse.enableSensitivity = sender.state.rawValue != 0
+        MouseSensitivityManager.shared.refresh()
+        syncViewWithOptions()
+    }
+    
+    // 鼠标灵敏度滑块变化
+    @objc func mouseSensitivitySliderChange(_ sender: NSSlider) {
+        setMouseSensitivity(value: sender.doubleValue)
+    }
+    
+    // 设置鼠标灵敏度
+    func setMouseSensitivity(value: Double) {
+        let clampedValue = max(0.1, min(5.0, value))
+        Options.shared.mouse.sensitivity = clampedValue
+        syncViewWithOptions()
+    }
+    
+    // 导出设置
+    @objc func exportSettingsClick(_ sender: NSButton) {
+        SettingsBackupManager.shared.exportSettings()
+    }
+    
+    // 导入设置
+    @objc func importSettingsClick(_ sender: NSButton) {
+        if SettingsBackupManager.shared.importSettings() {
+            syncViewWithOptions()
+        }
+    }
 }
 
 /**
@@ -42,5 +228,34 @@ extension PreferencesGeneralViewController {
         launchOnLoginCheckBox.state = NSControl.StateValue(rawValue: Options.shared.general.autoLaunch ? 1 : 0)
         // 隐藏
         hideStatusBarIconCheckBox.state = NSControl.StateValue(rawValue: Options.shared.general.hideStatusItem ? 1 : 0)
+        
+        // 鼠标灵敏度
+        let enableSensitivity = Options.shared.mouse.enableSensitivity
+        mouseSensitivityCheckBox.state = NSControl.StateValue(rawValue: enableSensitivity ? 1 : 0)
+        
+        let sensitivity = Options.shared.mouse.sensitivity
+        mouseSensitivitySlider.doubleValue = sensitivity
+        mouseSensitivitySlider.isEnabled = enableSensitivity
+        mouseSensitivityInput.stringValue = String(format: "%.2f", sensitivity)
+        mouseSensitivityValueLabel.stringValue = String(format: "%.2fx", sensitivity)
+        
+        mouseSensitivityLabel.textColor = enableSensitivity ? NSColor.controlTextColor : NSColor.disabledControlTextColor
+    }
+}
+
+/**
+ * NSTextFieldDelegate
+ **/
+extension PreferencesGeneralViewController: NSTextFieldDelegate {
+    func controlTextDidEndEditing(_ obj: Notification) {
+        guard let textField = obj.object as? NSTextField else { return }
+        
+        if textField === mouseSensitivityInput {
+            if let value = Double(textField.stringValue) {
+                setMouseSensitivity(value: value)
+            } else {
+                syncViewWithOptions()
+            }
+        }
     }
 }