diff --git a/electron-builder.yml b/electron-builder.yml
index 3270874..c55eb3a 100644
--- a/electron-builder.yml
+++ b/electron-builder.yml
@@ -5,6 +5,7 @@ directories:
 files:
   - '!**/.vscode/*'
   - '!src/*'
+  - '!nativeSrc/*'
   - '!electron.vite.config.{js,ts,mjs,cjs}'
   - '!{.eslintignore,.eslintrc.cjs,.prettierignore,.prettierrc.yaml,dev-app-update.yml,CHANGELOG.md,README.md}'
   - '!{.env,.env.*,.npmrc,pnpm-lock.yaml}'
diff --git a/nativeSrc/helper.swift b/nativeSrc/helper.swift
deleted file mode 100644
index fce2811..0000000
--- a/nativeSrc/helper.swift
+++ /dev/null
@@ -1,107 +0,0 @@
-import AppKit
-import ScreenCaptureKit
-import Foundation
-import ApplicationServices
-import Cocoa
-import CoreGraphics
-
-extension NSBitmapImageRep {
-    func png() -> Data? {
-        return representation(using: .png, properties: [:])
-    }
-}
-
-extension Data {
-    var bitmap: NSBitmapImageRep? {
-        return NSBitmapImageRep(data: self)
-    }
-}
-
-extension NSImage {
-    func png() -> Data? {
-        return tiffRepresentation?.bitmap?.png()
-    }
-
-    func resized(to size: Int) -> NSImage {
-        let newSize = CGSize(width: size, height: size)
-
-        let image = NSImage(size: newSize)
-        image.lockFocus()
-        NSGraphicsContext.current?.imageInterpolation = .high
-
-        draw(
-            in: CGRect(origin: .zero, size: newSize),
-            from: .zero,
-            operation: .copy,
-            fraction: 1
-        )
-
-        image.unlockFocus()
-        return image
-    }
-}
-
-func getIcon(pid: Int, size: Int) -> Data? {
-    return NSRunningApplication(processIdentifier: pid_t(pid))?.icon?.resized(to: size).png()
-}
-
-func stringify(data: Data) -> String {
-    return "data:image/png;base64,\(data.base64EncodedString())"
-}
-
-// ウィンドウ情報の一覧を取得してJSONデータとして返す関数
-func getWindowInfoListData() -> Data? {
-//  let option: CGWindowListOption = CGWindowListOption(arrayLiteral: .excludeDesktopElements, .optionOnScreenOnly)
-    let windowsListInfo = CGWindowListCopyWindowInfo([.optionAll], kCGNullWindowID) as! [[String: AnyObject]]
-
-    var windowInfoList: [[String: Any]] = []
-
-    for windowInfo in windowsListInfo {
-        var formattedWindowInfo: [String: Any] = [:]
-
-        for (key, value) in windowInfo {
-            formattedWindowInfo[key] = value
-        }
-
-        let pid = windowInfo["kCGWindowOwnerPID"] as! Int
-        if  let icon = getIcon(pid: pid, size: 32) {
-            formattedWindowInfo["appIcon"] = stringify(data: icon)
-        }
-
-        windowInfoList.append(formattedWindowInfo)
-    }
-
-    do {
-        let jsonData = try JSONSerialization.data(withJSONObject: windowInfoList, options: .prettyPrinted)
-        return jsonData
-    } catch {
-        print("Error serializing JSON: \(error)")
-        return nil
-    }
-}
-
-
-
-
-
-
-let arguments = CommandLine.arguments
-guard arguments.count > 1 else {
-    print("引数が必要です")
-    exit(0)
-}
-// 第1引数の値によって処理を分岐
-let option = arguments[1]
-switch option {
-case "grant":
-    // スクリーンキャプチャのアクセス要求
-    CGRequestScreenCaptureAccess()
-case "list":
-
-    if let data = getWindowInfoListData() {
-        let stdOut = FileHandle.standardOutput
-        stdOut.write(data)
-    }
-default:
-    print("default")
-}
diff --git a/nativeSrc/taskbar.helper/main.swift b/nativeSrc/taskbar.helper/main.swift
index b1662e0..e70a9b0 100644
--- a/nativeSrc/taskbar.helper/main.swift
+++ b/nativeSrc/taskbar.helper/main.swift
@@ -86,8 +86,50 @@ func getWindowInfoListData() -> Data? {
 }
 
 
+class WindowObserver {
+    static let shared = WindowObserver()
 
+    private init() {}
 
+    // ウィンドウの変更を監視
+    func observeWindowChanges() {
+        let notificationCenter = NSWorkspace.shared.notificationCenter
+
+        // アクティブになるイベントの監視
+        notificationCenter.addObserver(
+            self,
+            selector: #selector(windowDidChange(notification:)),
+            name: NSWorkspace.didActivateApplicationNotification,
+            object: nil
+        )
+
+        // アプリケーションが起動されたイベントを監視
+        notificationCenter.addObserver(
+            self,
+            selector: #selector(windowDidChange(notification:)),
+            name: NSWorkspace.didLaunchApplicationNotification,
+            object: nil
+        )
+    }
+
+    @objc func windowDidChange(notification: NSNotification) {
+        // 非同期処理を開始
+        DispatchQueue.global(qos: .background).async {
+            // わずかに遅延させて非同期処理を実行
+            // これがないと開いたウィンドウの変更が反映されない
+            let delayTime = DispatchTime.now() + .milliseconds(500)
+
+            DispatchQueue.global(qos: .background).asyncAfter(deadline: delayTime) {
+                DispatchQueue.main.async {
+                    if let data = getWindowInfoListData() {
+                        let stdOut = FileHandle.standardOutput
+                        stdOut.write(data)
+                    }
+                }
+            }
+        }
+    }
+}
 
 
 let arguments = CommandLine.arguments
@@ -103,11 +145,9 @@ case "grant":
     CGRequestScreenCaptureAccess()
 case "list":
 
-    if let data = getWindowInfoListData() {
-        let stdOut = FileHandle.standardOutput
-        stdOut.write(data)
-    }
+    // ウィンドウの変更を監視
+    WindowObserver.shared.observeWindowChanges()
+    RunLoop.main.run()
 default:
     print("default")
 }
-
diff --git a/resources/TaskbarHelper b/resources/TaskbarHelper
index 499d5e7..ea8c80c 100755
Binary files a/resources/TaskbarHelper and b/resources/TaskbarHelper differ
diff --git a/src/main/funcs/helper.ts b/src/main/funcs/helper.ts
index 3a19e1b..6353e70 100644
--- a/src/main/funcs/helper.ts
+++ b/src/main/funcs/helper.ts
@@ -14,25 +14,38 @@ if (app.isPackaged) {
 
 export const macWindowProcesses: MacWindow[] = []
 
-export function getAndSubmitProcesses(): void {
+export async function getAndSubmitProcesses(): Promise<void> {
   let rawData = ''
   try {
     const taskbarHelper = spawn(binaryPath, ['list'])
-    taskbarHelper.stdout.on('data', (raw) => {
-      rawData += raw
-    })
-    taskbarHelper.stderr.on('data', (raw) => {
-      console.error(raw)
-    })
-    taskbarHelper.on('close', async (code) => {
-      if ((await code) === 0) {
-        const jsoned = JSON.parse(Buffer.from(rawData).toString('utf-8'))
-        applyProcessChange(jsoned)
-        rawData = ''
+
+    for await (const chunk of taskbarHelper.stdout) {
+      rawData += chunk.toString()
+      if (rawData.endsWith(']')) {
+        try {
+          const jsoned = JSON.parse(rawData)
+          await applyProcessChange(jsoned)
+          rawData = ''
+        } catch (parseError) {
+          console.error('Failed to parse JSON:', parseError)
+          rawData = '' // Reset rawData to avoid accumulating invalid data
+        }
       }
+    }
+
+    taskbarHelper.stderr.on('data', (data) => {
+      console.error(`TaskbarHelper error: ${data.toString()}`)
+    })
+
+    await new Promise<void>((resolve) => {
+      taskbarHelper.on('close', (code) => {
+        console.log(`TaskbarHelper process exited with code ${code}`)
+        resolve()
+      })
     })
-  } catch (e) {
-    console.log(e)
+  } catch (error) {
+    console.error('Error in getAndSubmitProcesses:', error);
+    throw error // Re-throw the error for upper-level error handling
   }
 }
 
diff --git a/src/main/main.ts b/src/main/main.ts
index 6f08eca..dc0a90c 100644
--- a/src/main/main.ts
+++ b/src/main/main.ts
@@ -32,10 +32,8 @@ app.whenReady().then(() => {
   setEventHandlers()
 })
 
-// 1秒ごとにプロセスを取得する
-setInterval(() => {
-  getAndSubmitProcesses()
-}, 1000)
+// プロセスを取得するプロセスを起動
+getAndSubmitProcesses()
 
 // Quit when all windows are closed, except on macOS. There, it's common
 // for applications and their menu bar to stay active until the user quits