diff --git a/Mos/ScrollCore/ScrollCore.swift b/Mos/ScrollCore/ScrollCore.swift
index 3a86e319..d0d6a225 100644
--- a/Mos/ScrollCore/ScrollCore.swift
+++ b/Mos/ScrollCore/ScrollCore.swift
@@ -67,6 +67,9 @@ class ScrollCore {
 #endif
             return Unmanaged.passUnretained(event)
         }
+        if ScrollUtils.shared.shouldIgnoreScrollSource(event) {
+            return Unmanaged.passUnretained(event)
+        }
         // 滚动事件
         let scrollEvent = ScrollEvent(with: event)
         let hasVerticalDelta = scrollEvent.Y.valid && scrollEvent.Y.usableValue != 0.0
diff --git a/Mos/ScrollCore/ScrollUtils.swift b/Mos/ScrollCore/ScrollUtils.swift
index 2ed9ca1c..1d160f2a 100644
--- a/Mos/ScrollCore/ScrollUtils.swift
+++ b/Mos/ScrollCore/ScrollUtils.swift
@@ -117,6 +117,34 @@ class ScrollUtils {
         return nil
     }
 
+    // MARK: - Scroll source ignore rules
+    private var lastScrollSourcePID: pid_t = 0
+    private var lastScrollSourceShouldIgnore = false
+
+    func invalidateScrollSourceIgnoreCache() {
+        lastScrollSourcePID = 0
+        lastScrollSourceShouldIgnore = false
+    }
+
+    /// Checks whether the app that emitted this scroll event should bypass Mos handling.
+    /// Source-app policy is intentionally separate from target-app scroll settings.
+    func shouldIgnoreScrollSource(_ event: CGEvent) -> Bool {
+        let sourcePID = pid_t(event.getIntegerValueField(.eventSourceUnixProcessID))
+        if sourcePID == 0 { return false }
+
+        if sourcePID != lastScrollSourcePID {
+            lastScrollSourcePID = sourcePID
+            lastScrollSourceShouldIgnore = false
+
+            if let sourceApplication = NSRunningApplication(processIdentifier: sourcePID),
+               let application = getTargetApplication(from: sourceApplication) {
+                lastScrollSourceShouldIgnore = application.ignoreAsScrollSource
+            }
+        }
+
+        return lastScrollSourceShouldIgnore
+    }
+
     // MARK: - 远程桌面事件检测
     // 远程桌面事件检测缓存
     private var lastSourcePID: pid_t = 0
diff --git a/Mos/Windows/PreferencesWindow/ApplicationView/Application.swift b/Mos/Windows/PreferencesWindow/ApplicationView/Application.swift
index f46bf790..5bfc5819 100644
--- a/Mos/Windows/PreferencesWindow/ApplicationView/Application.swift
+++ b/Mos/Windows/PreferencesWindow/ApplicationView/Application.swift
@@ -28,6 +28,12 @@ class Application: Codable, Equatable {
     var buttons: OPTIONS_BUTTONS_DEFAULT? {
         didSet { Options.shared.saveOptions() }
     }
+    var ignoreAsScrollSource = false {
+        didSet {
+            ScrollUtils.shared.invalidateScrollSourceIgnoreCache()
+            Options.shared.saveOptions()
+        }
+    }
     // 初始化
     init(path: String) {
         self.path = path
@@ -46,6 +52,7 @@ class Application: Codable, Equatable {
         scroll = try container.decodeIfPresent(OPTIONS_SCROLL_DEFAULT.self, forKey: .scroll) ?? OPTIONS_SCROLL_DEFAULT()
         // 按钮绑定
         buttons = try container.decodeIfPresent(OPTIONS_BUTTONS_DEFAULT.self, forKey: .buttons)
+        ignoreAsScrollSource = try container.decodeIfPresent(Bool.self, forKey: .ignoreAsScrollSource) ?? false
     }
     
     // Equatable
diff --git a/Mos/Windows/PreferencesWindow/ApplicationView/PreferencesApplicationViewController.swift b/Mos/Windows/PreferencesWindow/ApplicationView/PreferencesApplicationViewController.swift
index e21c2246..73297842 100644
--- a/Mos/Windows/PreferencesWindow/ApplicationView/PreferencesApplicationViewController.swift
+++ b/Mos/Windows/PreferencesWindow/ApplicationView/PreferencesApplicationViewController.swift
@@ -87,6 +87,7 @@ class PreferencesApplicationViewController: NSViewController {
         guard let removedApp = Options.shared.application.applications.get(by: tableView.selectedRow) else { return }
         // 删除
         Options.shared.application.applications.remove(at: tableView.selectedRow)
+        ScrollUtils.shared.invalidateScrollSourceIgnoreCache()
         // 清除该应用所有 appScroll 占用 (codes=[] -> source 移除 -> Logi divert 同步)
         clearAppUsage(removedApp)
         // 重新加载
diff --git a/Mos/Windows/PreferencesWindow/ScrollingView/PreferencesScrollingWithApplicationViewController.swift b/Mos/Windows/PreferencesWindow/ScrollingView/PreferencesScrollingWithApplicationViewController.swift
index e5ff11b5..c294b3ba 100644
--- a/Mos/Windows/PreferencesWindow/ScrollingView/PreferencesScrollingWithApplicationViewController.swift
+++ b/Mos/Windows/PreferencesWindow/ScrollingView/PreferencesScrollingWithApplicationViewController.swift
@@ -20,12 +20,15 @@ class PreferencesScrollingWithApplicationViewController: NSViewController {
     @IBOutlet weak var currentTargetApplicationIcon: NSImageView!
     @IBOutlet weak var currentTargetApplicationName: NSTextField!
     @IBOutlet weak var inheritGlobalSettingCheckBox: NSButton!
+    private var ignoreScrollSourceCheckBox: NSButton?
     
     override func viewDidLoad() {
         // 初始化显示内容
         currentTargetApplicationIcon.image = currentTargetApplication?.getIcon()
         currentTargetApplicationIcon.toolTip = currentTargetApplication?.path
         currentTargetApplicationName.stringValue = currentTargetApplication?.getName() ?? ""
+        currentTargetApplicationName.toolTip = currentTargetApplication?.path
+        configureIgnoreScrollSourceCheckBox()
         // 读取设置
         syncViewWithOptions()
     }
@@ -39,6 +42,9 @@ class PreferencesScrollingWithApplicationViewController: NSViewController {
     
     public func updateTargetApplication(with target: Application?) {
         currentTargetApplication = target
+        if isViewLoaded {
+            syncViewWithOptions()
+        }
         if let vaildContentViewController = currentContentViewController, let validTargetApplication = currentTargetApplication {
             vaildContentViewController.currentTargetApplication = validTargetApplication
         }
@@ -54,7 +60,8 @@ class PreferencesScrollingWithApplicationViewController: NSViewController {
         if name.count > 0 {
             currentTargetApplication?.displayName = name
             if let validParentTableView = parentTableView, let validParentTableRow = parentTableRow {
-                validParentTableView.reloadData(forRowIndexes: [validParentTableRow], columnIndexes: [0, 1, 2])
+                let columnIndexes = IndexSet(integersIn: 0..<validParentTableView.numberOfColumns)
+                validParentTableView.reloadData(forRowIndexes: [validParentTableRow], columnIndexes: columnIndexes)
             }
         }
     }
@@ -73,6 +80,11 @@ class PreferencesScrollingWithApplicationViewController: NSViewController {
         }
     }
 
+    @objc func ignoreScrollSourceClick(_ sender: NSButton) {
+        guard let validTargetApplication = currentTargetApplication else { return }
+        validTargetApplication.ignoreAsScrollSource = sender.state == .on
+    }
+
     // MARK: - Logi usage helpers
     private func collectAppScrollCodes(app: Application, role: ScrollRole) -> Set<UInt16> {
         let hotkey: ScrollHotkey? = {
@@ -108,9 +120,40 @@ class PreferencesScrollingWithApplicationViewController: NSViewController {
  * 工具函数
  **/
 extension PreferencesScrollingWithApplicationViewController {
+    private func configureIgnoreScrollSourceCheckBox() {
+        guard let headerContentView = inheritGlobalSettingCheckBox.superview,
+              let headerBox = headerContentView.superview else { return }
+
+        let checkBox = NSButton(
+            checkboxWithTitle: NSLocalizedString("Ignore Scroll Source", comment: "Per-application option for ignoring scroll events emitted by this app"),
+            target: self,
+            action: #selector(ignoreScrollSourceClick)
+        )
+        checkBox.controlSize = .small
+        checkBox.font = NSFont.menuFont(ofSize: 11)
+        checkBox.imagePosition = .imageRight
+        checkBox.translatesAutoresizingMaskIntoConstraints = false
+        checkBox.toolTip = NSLocalizedString("Pass through scroll events emitted by this app without Mos smoothing", comment: "Tooltip for ignore scroll source checkbox")
+        headerContentView.addSubview(checkBox)
+        ignoreScrollSourceCheckBox = checkBox
+        headerBox.constraints
+            .filter { $0.firstAttribute == .height }
+            .forEach { $0.constant = max($0.constant, 58) }
+
+        let nameWidth = currentTargetApplicationName.widthAnchor.constraint(lessThanOrEqualToConstant: 150)
+        nameWidth.priority = .defaultHigh
+        NSLayoutConstraint.activate([
+            nameWidth,
+            checkBox.leadingAnchor.constraint(equalTo: inheritGlobalSettingCheckBox.leadingAnchor),
+            checkBox.topAnchor.constraint(equalTo: inheritGlobalSettingCheckBox.bottomAnchor, constant: 5),
+            checkBox.widthAnchor.constraint(equalTo: inheritGlobalSettingCheckBox.widthAnchor),
+        ])
+    }
+
     // 同步界面与设置
     func syncViewWithOptions() {
         // 继承
         inheritGlobalSettingCheckBox.state = NSControl.StateValue(rawValue: (currentTargetApplication?.inherit ?? false) ? 1 : 0)
+        ignoreScrollSourceCheckBox?.state = (currentTargetApplication?.ignoreAsScrollSource ?? false) ? .on : .off
     }
 }