diff --git a/src/main/resolve/floatingWindow.ts b/src/main/resolve/floatingWindow.ts
index 49d1852..83fdb75 100644
--- a/src/main/resolve/floatingWindow.ts
+++ b/src/main/resolve/floatingWindow.ts
@@ -1,8 +1,8 @@
 import { join } from 'path'
-import { is } from '@electron-toolkit/utils'
 import { BrowserWindow, ipcMain } from 'electron'
 import windowStateKeeper from 'electron-window-state'
 import { getAppConfig, patchAppConfig } from '../config'
+import { isDevelopment } from '../utils/dirs'
 import { floatingWindowLogger } from '../utils/logger'
 import { applyTheme } from './theme'
 import { buildContextMenu, showTrayIcon } from './tray'
@@ -86,11 +86,11 @@ async function createFloatingWindow(): Promise<void> {
 
     // 加载页面
     const url =
-      is.dev && process.env['ELECTRON_RENDERER_URL']
+      isDevelopment() && process.env['ELECTRON_RENDERER_URL']
         ? `${process.env['ELECTRON_RENDERER_URL']}/floating.html`
         : join(__dirname, '../renderer/floating.html')
 
-    is.dev ? await floatingWindow.loadURL(url) : await floatingWindow.loadFile(url)
+    isDevelopment() ? await floatingWindow.loadURL(url) : await floatingWindow.loadFile(url)
   } catch (error) {
     logError('Failed to create floating window', error)
     floatingWindow = null
diff --git a/src/main/utils/dirs.ts b/src/main/utils/dirs.ts
index 0771ca0..2c4170f 100644
--- a/src/main/utils/dirs.ts
+++ b/src/main/utils/dirs.ts
@@ -13,11 +13,15 @@ function portableDataDir(): string {
   return path.join(exeDir(), 'data')
 }
 
+export function isDevelopment(): boolean {
+  return is.dev && !app.getAppPath().endsWith('asar')
+}
+
 // 本地 Electron.app 使用独立的应用名和数据目录，避免开发时访问正式版的
 // `mihomo-party Safe Storage` Keychain item 或修改正式配置。已打包的 dev 预发行版
 // 仍与正式版共享身份和数据，保持原有滚动升级路径。
 export function configureAppPaths(): void {
-  if (!app.isPackaged) {
+  if (isDevelopment()) {
     app.setName('mihomo-party-dev')
     app.setPath('userData', path.join(app.getPath('appData'), 'mihomo-party-dev'))
   }
@@ -62,14 +66,13 @@ export function exePath(): string {
 }
 
 export function resourcesDir(): string {
-  if (is.dev) {
+  const appPath = app.getAppPath()
+  if (appPath.endsWith('asar')) {
+    return path.dirname(appPath)
+  } else if (isDevelopment()) {
     return path.join(__dirname, '../../extra')
   } else {
-    if (app.getAppPath().endsWith('asar')) {
-      return process.resourcesPath
-    } else {
-      return path.join(app.getAppPath(), 'resources')
-    }
+    return path.join(appPath, 'resources')
   }
 }
 
diff --git a/src/main/utils/icon.ts b/src/main/utils/icon.ts
index d3b32e1..b05fd69 100644
--- a/src/main/utils/icon.ts
+++ b/src/main/utils/icon.ts
@@ -9,6 +9,7 @@ import { app } from 'electron'
 import { getControledMihomoConfig } from '../config'
 import { DEFAULT_MIHOMO_PORTS } from '../../shared/appConfig'
 import { windowsDefaultIcon, darwinDefaultIcon, otherDevicesIcon } from './defaultIcon'
+import { isDevelopment } from './dirs'
 
 export function isIOSApp(appPath: string): boolean {
   const appDir = appPath.endsWith('.app')
@@ -83,7 +84,7 @@ export function findBestAppPath(appPath: string): string | null {
 }
 
 async function getMacOSIconBuffer(appPath: string): Promise<Buffer> {
-  if (!app.isPackaged) {
+  if (isDevelopment()) {
     const { fileIconToBuffer } = await import('file-icon')
     return Buffer.from(await fileIconToBuffer(appPath, { size: 512 }))
   }
diff --git a/src/main/window.ts b/src/main/window.ts
index d40f89c..60529a3 100644
--- a/src/main/window.ts
+++ b/src/main/window.ts
@@ -1,12 +1,11 @@
 import { join } from 'path'
 import { readFileSync } from 'fs'
 import { BrowserWindow, Menu, screen, shell } from 'electron'
-import { is } from '@electron-toolkit/utils'
 import icon from '../../resources/icon.png?asset'
 import { getAppConfig } from './config'
 import { quitWithoutCore } from './core/manager'
 import { hideDockIcon, showDockIcon } from './resolve/tray'
-import { dataDir } from './utils/dirs'
+import { dataDir, isDevelopment } from './utils/dirs'
 import { mainWindowLogger } from './utils/logger'
 import { atomicWriteFileSync } from './utils/safeFile'
 
@@ -199,12 +198,12 @@ async function createWindowInternal(): Promise<void> {
     autoQuitWithoutCoreMode
   })
 
-  if (is.dev) {
+  if (isDevelopment()) {
     mainWindow.webContents.openDevTools()
   }
 
   const windowToLoad = mainWindow
-  if (is.dev && process.env['ELECTRON_RENDERER_URL']) {
+  if (isDevelopment() && process.env['ELECTRON_RENDERER_URL']) {
     await windowToLoad.loadURL(process.env['ELECTRON_RENDERER_URL'])
   } else {
     await windowToLoad.loadFile(join(__dirname, '../renderer/index.html'))
@@ -228,7 +227,7 @@ function setupWindowEvents(window: BrowserWindow, config: WindowConfig): void {
     }
 
     // 开发模式下始终显示窗口
-    if (!silentStart || is.dev) {
+    if (!silentStart || isDevelopment()) {
       clearQuitTimeout()
       window.show()
       window.focusOnWebView()
diff --git a/src/native/sysproxy/index.js b/src/native/sysproxy/index.js
index 147988f..11d0e55 100644
--- a/src/native/sysproxy/index.js
+++ b/src/native/sysproxy/index.js
@@ -71,6 +71,12 @@ function getResourcesPath() {
   try {
     const { app } = require('electron')
     const appPath = app.getAppPath()
+    // A shared system Electron keeps process.resourcesPath in Electron's own
+    // store path. The directory containing app.asar is the app resource path.
+    if (appPath.endsWith('asar') && existsSync(join(dirname(appPath), 'sidecar'))) {
+      return dirname(appPath)
+    }
+
     if (existsSync(join(appPath, 'extra', 'sidecar'))) {
       return appPath
     }