diff --git a/scripts/prepare.mjs b/scripts/prepare.mjs
index 52838fb..186e343 100644
--- a/scripts/prepare.mjs
+++ b/scripts/prepare.mjs
@@ -336,9 +336,11 @@ function getSysproxyNodeName() {
 
   switch (platform) {
     case 'win32':
-      if (arch === 'x64') return isWin7Build ? 'sysproxy.win32-x64-msvc-win7.node' : 'sysproxy.win32-x64-msvc.node'
+      if (arch === 'x64')
+        return isWin7Build ? 'sysproxy.win32-x64-msvc-win7.node' : 'sysproxy.win32-x64-msvc.node'
       if (arch === 'arm64') return 'sysproxy.win32-arm64-msvc.node'
-      if (arch === 'ia32') return isWin7Build ? 'sysproxy.win32-ia32-msvc-win7.node' : 'sysproxy.win32-ia32-msvc.node'
+      if (arch === 'ia32')
+        return isWin7Build ? 'sysproxy.win32-ia32-msvc-win7.node' : 'sysproxy.win32-ia32-msvc.node'
       break
     case 'darwin':
       if (arch === 'x64') return 'sysproxy.darwin-x64.node'
diff --git a/src/main/config/controledMihomo.ts b/src/main/config/controledMihomo.ts
index 08d3d18..6db3be0 100644
--- a/src/main/config/controledMihomo.ts
+++ b/src/main/config/controledMihomo.ts
@@ -37,7 +37,10 @@ export async function getControledMihomoConfig(force = false): Promise<Partial<I
     // 清理端口字段中的 NaN 值，恢复为默认值
     const portFields = ['mixed-port', 'socks-port', 'port', 'redir-port', 'tproxy-port'] as const
     for (const field of portFields) {
-      if (typeof controledMihomoConfig[field] !== 'number' || Number.isNaN(controledMihomoConfig[field])) {
+      if (
+        typeof controledMihomoConfig[field] !== 'number' ||
+        Number.isNaN(controledMihomoConfig[field])
+      ) {
         controledMihomoConfig[field] = defaultControledMihomoConfig[field]
       }
     }
diff --git a/src/main/config/profile.ts b/src/main/config/profile.ts
index 68b2643..b69b7b0 100644
--- a/src/main/config/profile.ts
+++ b/src/main/config/profile.ts
@@ -67,8 +67,7 @@ export async function changeCurrentProfile(id: string): Promise<void> {
   // 使用队列确保 profile 切换串行执行，避免竞态条件
   let taskError: unknown = null
   changeProfileQueue = changeProfileQueue
-    .catch(() => {
-    })
+    .catch(() => {})
     .then(async () => {
       const { current } = await getProfileConfig()
       if (current === id) return
@@ -221,7 +220,7 @@ export async function createProfile(item: Partial<IProfileItem>): Promise<IProfi
   const newItem: IProfileItem = {
     id,
     name: item.name || (item.type === 'remote' ? 'Remote File' : 'Local File'),
-    type: item.type!,
+    type: item.type || 'local',
     url: item.url,
     substore: item.substore || false,
     interval: item.interval || 0,
@@ -255,18 +254,18 @@ export async function createProfile(item: Partial<IProfileItem>): Promise<IProfi
     substore: newItem.substore || false
   }
 
-  const fetchSub = (useProxy: boolean, timeout: number) => 
+  const fetchSub = (useProxy: boolean, timeout: number) =>
     fetchAndValidateSubscription({ ...baseOptions, useProxy, timeout })
 
   let result: FetchResult
   if (newItem.useProxy || newItem.substore) {
-    result = await fetchSub(newItem.useProxy!, userItemTimeoutMs)
+    result = await fetchSub(Boolean(newItem.useProxy), userItemTimeoutMs)
   } else {
     try {
       result = await fetchSub(false, userItemTimeoutMs)
     } catch (directError) {
       try {
-        // smart fallback 
+        // smart fallback
         result = await fetchSub(true, subscriptionTimeout)
       } catch {
         throw directError
diff --git a/src/main/core/dns.ts b/src/main/core/dns.ts
index ac3d899..4ac0211 100644
--- a/src/main/core/dns.ts
+++ b/src/main/core/dns.ts
@@ -44,11 +44,7 @@ async function getOriginDNS(): Promise<void> {
 async function setDNS(dns: string): Promise<void> {
   const service = await getDefaultService()
   try {
-    await axios.post(
-      'http://localhost/dns',
-      { service, dns },
-      { socketPath: helperSocketPath }
-    )
+    await axios.post('http://localhost/dns', { service, dns }, { socketPath: helperSocketPath })
   } catch {
     // fallback to osascript if helper not available
     const shell = `networksetup -setdnsservers "${service}" ${dns}`
diff --git a/src/main/core/manager.ts b/src/main/core/manager.ts
index 5b53a62..9b3bbc1 100644
--- a/src/main/core/manager.ts
+++ b/src/main/core/manager.ts
@@ -135,10 +135,7 @@ interface CoreConfig {
 
 // 准备核心配置
 async function prepareCore(detached: boolean, skipStop = false): Promise<CoreConfig> {
-  const [appConfig, mihomoConfig] = await Promise.all([
-    getAppConfig(),
-    getControledMihomoConfig()
-  ])
+  const [appConfig, mihomoConfig] = await Promise.all([getAppConfig(), getControledMihomoConfig()])
 
   const {
     core = 'mihomo',
@@ -215,7 +212,10 @@ function spawnCoreProcess(config: CoreConfig): ChildProcess {
   })
 
   if (process.platform === 'win32' && proc.pid) {
-    os.setPriority(proc.pid, os.constants.priority[cpuPriority as keyof typeof os.constants.priority])
+    os.setPriority(
+      proc.pid,
+      os.constants.priority[cpuPriority as keyof typeof os.constants.priority]
+    )
   }
 
   if (!detached) {
@@ -294,7 +294,10 @@ function setupCoreListeners(
         new Promise((innerResolve) => {
           proc.stdout?.on('data', async (innerData) => {
             if (
-              innerData.toString().toLowerCase().includes('start initial compatible provider default')
+              innerData
+                .toString()
+                .toLowerCase()
+                .includes('start initial compatible provider default')
             ) {
               try {
                 mainWindow?.webContents.send('groupsUpdated')
diff --git a/src/main/core/permissions.ts b/src/main/core/permissions.ts
index cab1679..08bb508 100644
--- a/src/main/core/permissions.ts
+++ b/src/main/core/permissions.ts
@@ -191,7 +191,9 @@ async function checkHighPrivilegeMihomoProcess(): Promise<boolean> {
       for (const executable of mihomoExecutables) {
         try {
           const { stdout } = await execPromise(`ps aux | grep ${executable} | grep -v grep`)
-          const lines = stdout.split('\n').filter((line) => line.trim() && line.includes(executable))
+          const lines = stdout
+            .split('\n')
+            .filter((line) => line.trim() && line.includes(executable))
 
           if (lines.length > 0) {
             foundProcesses = true
@@ -337,7 +339,9 @@ export async function showErrorDialog(title: string, message: string): Promise<v
   })
 }
 
-export async function validateTunPermissionsOnStartup(_restartCore: () => Promise<void>): Promise<void> {
+export async function validateTunPermissionsOnStartup(
+  _restartCore: () => Promise<void>
+): Promise<void> {
   const { getControledMihomoConfig } = await import('../config')
   const { tun } = await getControledMihomoConfig()
 
@@ -349,7 +353,9 @@ export async function validateTunPermissionsOnStartup(_restartCore: () => Promis
 
   if (!hasPermissions) {
     // 启动时没有权限，静默禁用 TUN，不弹窗打扰用户
-    managerLogger.warn('TUN is enabled but insufficient permissions detected, auto-disabling TUN...')
+    managerLogger.warn(
+      'TUN is enabled but insufficient permissions detected, auto-disabling TUN...'
+    )
     await patchControledMihomoConfig({ tun: { enable: false } })
 
     const { mainWindow } = await import('../index')
diff --git a/src/main/sys/sysproxy.ts b/src/main/sys/sysproxy.ts
index 18bea16..146be65 100644
--- a/src/main/sys/sysproxy.ts
+++ b/src/main/sys/sysproxy.ts
@@ -114,9 +114,7 @@ async function disableSysProxy(): Promise<void> {
   await stopPacServer()
 
   if (process.platform === 'darwin') {
-    await helperRequest(() =>
-      axios.get('http://localhost/off', { socketPath: helperSocketPath })
-    )
+    await helperRequest(() => axios.get('http://localhost/off', { socketPath: helperSocketPath }))
   } else {
     // Windows / Linux 直接使用 sysproxy-rs
     try {
diff --git a/src/main/utils/appName.ts b/src/main/utils/appName.ts
index a1c63f2..479f5a4 100644
--- a/src/main/utils/appName.ts
+++ b/src/main/utils/appName.ts
@@ -1,8 +1,8 @@
 import fs from 'fs'
 import path from 'path'
+import { spawnSync } from 'child_process'
 import plist from 'plist'
 import { findBestAppPath, isIOSApp } from './icon'
-import { spawnSync } from 'child_process'
 
 export async function getAppName(appPath: string): Promise<string> {
   if (process.platform === 'darwin') {
@@ -20,7 +20,7 @@ export async function getAppName(appPath: string): Promise<string> {
       try {
         const appName = getLocalizedAppName(targetPath)
         if (appName) return appName
-      } catch (err) {
+      } catch {
         // ignore
       }
 
@@ -33,7 +33,7 @@ export async function getAppName(appPath: string): Promise<string> {
       } else {
         // ignore
       }
-    } catch (err) {
+    } catch {
       // ignore
     }
   }
diff --git a/src/main/utils/chromeRequest.ts b/src/main/utils/chromeRequest.ts
index dec696e..47dde71 100644
--- a/src/main/utils/chromeRequest.ts
+++ b/src/main/utils/chromeRequest.ts
@@ -74,8 +74,7 @@ export async function request<T = unknown>(
       }
     }
 
-    const cleanup = (): void => {
-    }
+    const cleanup = (): void => {}
 
     setupProxy()
       .then(() => {
diff --git a/src/main/utils/github.ts b/src/main/utils/github.ts
index 95a9621..bf5a041 100644
--- a/src/main/utils/github.ts
+++ b/src/main/utils/github.ts
@@ -1,4 +1,4 @@
-import { createWriteStream, createReadStream , existsSync, rmSync } from 'fs'
+import { createWriteStream, createReadStream, existsSync, rmSync } from 'fs'
 import { writeFile } from 'fs/promises'
 import { execSync } from 'child_process'
 import { platform } from 'os'
diff --git a/src/main/utils/init.ts b/src/main/utils/init.ts
index 0fd1810..060a0be 100644
--- a/src/main/utils/init.ts
+++ b/src/main/utils/init.ts
@@ -190,7 +190,10 @@ async function initFiles(): Promise<void> {
         } catch (error: unknown) {
           const code = (error as NodeJS.ErrnoException).code
           // 文件被占用或权限问题，如果目标已存在则跳过
-          if ((code === 'EPERM' || code === 'EBUSY' || code === 'EACCES') && existsSync(targetPath)) {
+          if (
+            (code === 'EPERM' || code === 'EBUSY' || code === 'EACCES') &&
+            existsSync(targetPath)
+          ) {
             await initLogger.warn(`Skipping ${file}: file is in use or permission denied`)
             return
           }
@@ -318,7 +321,11 @@ async function migrateMihomoConfig(): Promise<void> {
     config['skip-auth-prefixes'][0] === '127.0.0.1/32' &&
     !config['skip-auth-prefixes'].includes('::1/128')
   ) {
-    patches['skip-auth-prefixes'] = ['127.0.0.1/32', '::1/128', ...config['skip-auth-prefixes'].slice(1)]
+    patches['skip-auth-prefixes'] = [
+      '127.0.0.1/32',
+      '::1/128',
+      ...config['skip-auth-prefixes'].slice(1)
+    ]
   }
 
   // 其他默认值
diff --git a/src/main/window.ts b/src/main/window.ts
index 7d5143a..4b374e6 100644
--- a/src/main/window.ts
+++ b/src/main/window.ts
@@ -12,7 +12,12 @@ export let mainWindow: BrowserWindow | null = null
 let quitTimeout: NodeJS.Timeout | null = null
 
 export async function createWindow(): Promise<void> {
-  const { useWindowFrame = false, silentStart = false, autoQuitWithoutCore = false, autoQuitWithoutCoreDelay = 60 } = await getAppConfig()
+  const {
+    useWindowFrame = false,
+    silentStart = false,
+    autoQuitWithoutCore = false,
+    autoQuitWithoutCoreDelay = 60
+  } = await getAppConfig()
   const mainWindowState = windowStateKeeper({
     defaultWidth: 800,
     defaultHeight: 600,
@@ -47,7 +52,11 @@ export async function createWindow(): Promise<void> {
   })
 
   mainWindowState.manage(mainWindow)
-  setupWindowEvents(mainWindow, mainWindowState, { silentStart, autoQuitWithoutCore, autoQuitWithoutCoreDelay })
+  setupWindowEvents(mainWindow, mainWindowState, {
+    silentStart,
+    autoQuitWithoutCore,
+    autoQuitWithoutCoreDelay
+  })
 
   if (is.dev) {
     mainWindow.webContents.openDevTools()
diff --git a/src/native/sysproxy/index.js b/src/native/sysproxy/index.js
index 3c6d4a3..147988f 100644
--- a/src/native/sysproxy/index.js
+++ b/src/native/sysproxy/index.js
@@ -34,8 +34,10 @@ function getBindingName() {
   const win7 = isWindows7()
   switch (platform) {
     case 'win32':
-      if (arch === 'x64') return win7 ? 'sysproxy.win32-x64-msvc-win7.node' : 'sysproxy.win32-x64-msvc.node'
-      if (arch === 'ia32') return win7 ? 'sysproxy.win32-ia32-msvc-win7.node' : 'sysproxy.win32-ia32-msvc.node'
+      if (arch === 'x64')
+        return win7 ? 'sysproxy.win32-x64-msvc-win7.node' : 'sysproxy.win32-x64-msvc.node'
+      if (arch === 'ia32')
+        return win7 ? 'sysproxy.win32-ia32-msvc-win7.node' : 'sysproxy.win32-ia32-msvc.node'
       if (arch === 'arm64') return 'sysproxy.win32-arm64-msvc.node'
       break
     case 'darwin':
diff --git a/src/renderer/src/components/connections/connection-item.tsx b/src/renderer/src/components/connections/connection-item.tsx
index 7ff32aa..e73cb6f 100644
--- a/src/renderer/src/components/connections/connection-item.tsx
+++ b/src/renderer/src/components/connections/connection-item.tsx
@@ -169,4 +169,4 @@ const ConnectionItem = memo(ConnectionItemComponent, (prevProps, nextProps) => {
   )
 })
 
-export default ConnectionItem
\ No newline at end of file
+export default ConnectionItem
diff --git a/src/renderer/src/components/resources/proxy-provider.tsx b/src/renderer/src/components/resources/proxy-provider.tsx
index 7bd4236..556e8b2 100644
--- a/src/renderer/src/components/resources/proxy-provider.tsx
+++ b/src/renderer/src/components/resources/proxy-provider.tsx
@@ -126,7 +126,9 @@ const ProxyProvider: React.FC = () => {
               <Button
                 isIconOnly
                 title={
-                  provider.vehicleType === 'File' ? t('common.editor.edit') : t('common.viewer.view')
+                  provider.vehicleType === 'File'
+                    ? t('common.editor.edit')
+                    : t('common.viewer.view')
                 }
                 className="ml-2"
                 size="sm"
diff --git a/src/renderer/src/components/resources/rule-provider.tsx b/src/renderer/src/components/resources/rule-provider.tsx
index addd214..375cc30 100644
--- a/src/renderer/src/components/resources/rule-provider.tsx
+++ b/src/renderer/src/components/resources/rule-provider.tsx
@@ -138,7 +138,9 @@ const RuleProvider: React.FC = () => {
               <Button
                 isIconOnly
                 title={
-                  provider.vehicleType === 'File' ? t('common.editor.edit') : t('common.viewer.view')
+                  provider.vehicleType === 'File'
+                    ? t('common.editor.edit')
+                    : t('common.viewer.view')
                 }
                 className="ml-2"
                 size="sm"
diff --git a/src/renderer/src/hooks/use-override-config.tsx b/src/renderer/src/hooks/use-override-config.tsx
index eb0a189..9d0e0cb 100644
--- a/src/renderer/src/hooks/use-override-config.tsx
+++ b/src/renderer/src/hooks/use-override-config.tsx
@@ -53,12 +53,14 @@ const OverrideConfigContextWrapper: React.FC<{ children: ReactNode }> = ({ child
   )
 
   const setOverrideConfig = useCallback(
-    (cfg: IOverrideConfig) => withErrorHandling(() => set(cfg), 'common.error.saveOverrideConfigFailed')(),
+    (cfg: IOverrideConfig) =>
+      withErrorHandling(() => set(cfg), 'common.error.saveOverrideConfigFailed')(),
     [withErrorHandling]
   )
 
   const addOverrideItem = useCallback(
-    (item: Partial<IOverrideItem>) => withErrorHandling(() => add(item), 'common.error.addOverrideFailed')(),
+    (item: Partial<IOverrideItem>) =>
+      withErrorHandling(() => add(item), 'common.error.addOverrideFailed')(),
     [withErrorHandling]
   )
 
@@ -68,7 +70,8 @@ const OverrideConfigContextWrapper: React.FC<{ children: ReactNode }> = ({ child
   )
 
   const updateOverrideItem = useCallback(
-    (item: IOverrideItem) => withErrorHandling(() => update(item), 'common.error.updateOverrideFailed')(),
+    (item: IOverrideItem) =>
+      withErrorHandling(() => update(item), 'common.error.updateOverrideFailed')(),
     [withErrorHandling]
   )
 
diff --git a/src/renderer/src/pages/connections.tsx b/src/renderer/src/pages/connections.tsx
index 1a25f87..026601a 100644
--- a/src/renderer/src/pages/connections.tsx
+++ b/src/renderer/src/pages/connections.tsx
@@ -1,7 +1,25 @@
 import BasePage from '@renderer/components/base/base-page'
-import { mihomoCloseAllConnections, mihomoCloseConnection, getIconDataURL, getAppName } from '@renderer/utils/ipc'
+import {
+  mihomoCloseAllConnections,
+  mihomoCloseConnection,
+  getIconDataURL,
+  getAppName
+} from '@renderer/utils/ipc'
 import { Key, useCallback, useEffect, useMemo, useRef, useState } from 'react'
-import { Badge, Button, Divider, Input, Select, SelectItem, Tab, Tabs , Dropdown, DropdownTrigger, DropdownMenu, DropdownItem } from '@heroui/react'
+import {
+  Badge,
+  Button,
+  Divider,
+  Input,
+  Select,
+  SelectItem,
+  Tab,
+  Tabs,
+  Dropdown,
+  DropdownTrigger,
+  DropdownMenu,
+  DropdownItem
+} from '@heroui/react'
 import { calcTraffic } from '@renderer/utils/calc'
 import ConnectionItem from '@renderer/components/connections/connection-item'
 import ConnectionTable from '@renderer/components/connections/connection-table'
@@ -239,7 +257,7 @@ const Connections: React.FC = () => {
           : `data:image/png;base64,${rawBase64}`
 
         let processedDataURL = fullDataURL
-        if (platform != 'darwin') {
+        if (platform !== 'darwin') {
           processedDataURL = await cropAndPadTransparent(fullDataURL)
         }
 
diff --git a/src/renderer/src/utils/icon-cache.ts b/src/renderer/src/utils/icon-cache.ts
index 79b32bd..8001f3d 100644
--- a/src/renderer/src/utils/icon-cache.ts
+++ b/src/renderer/src/utils/icon-cache.ts
@@ -78,4 +78,4 @@ function clearHalfIconCache(): void {
   } catch {
     // ignore
   }
-}
\ No newline at end of file
+}
diff --git a/src/renderer/src/utils/image.ts b/src/renderer/src/utils/image.ts
index 0901f23..a057f6b 100644
--- a/src/renderer/src/utils/image.ts
+++ b/src/renderer/src/utils/image.ts
@@ -13,7 +13,10 @@ export async function cropAndPadTransparent(
   const canvas = document.createElement('canvas')
   canvas.width = img.width
   canvas.height = img.height
-  const ctx = canvas.getContext('2d')!
+  const ctx = canvas.getContext('2d')
+  if (!ctx) {
+    throw new Error('Failed to get 2D context')
+  }
   ctx.clearRect(0, 0, canvas.width, canvas.height)
   ctx.drawImage(img, 0, 0)
 
@@ -59,7 +62,10 @@ export async function cropAndPadTransparent(
   const outCanvas = document.createElement('canvas')
   outCanvas.width = finalSize
   outCanvas.height = finalSize
-  const outCtx = outCanvas.getContext('2d')!
+  const outCtx = outCanvas.getContext('2d')
+  if (!outCtx) {
+    throw new Error('Failed to get 2D context')
+  }
   outCtx.clearRect(0, 0, finalSize, finalSize)
   outCtx.drawImage(
     canvas,
@@ -74,4 +80,4 @@ export async function cropAndPadTransparent(
   )
 
   return outCanvas.toDataURL('image/png')
-}
\ No newline at end of file
+}