diff --git a/.vscode/.debug.script.mjs b/.vscode/.debug.script.mjs
index 2bd79e3..1d68c8f 100644
--- a/.vscode/.debug.script.mjs
+++ b/.vscode/.debug.script.mjs
@@ -11,8 +11,13 @@ const __dirname = path.dirname(fileURLToPath(import.meta.url))
 const envContent = Object.entries(pkg.env).map(([key, val]) => `${key}=${val}`)
 fs.writeFileSync(path.join(__dirname, '.debug.env'), envContent.join('\n'))
 
-// For Debug
-fs.writeFileSync(path.join(__dirname, '../node_modules/.electron-vite-debug'), '')
-
 // bootstrap
-spawn(process.platform === 'win32' ? 'npm.cmd' : 'npm', ['run', 'dev'], { stdio: 'inherit' })
+spawn(
+  // TODO: terminate `npm run dev` when Debug exits.
+  process.platform === 'win32' ? 'npm.cmd' : 'npm',
+  ['run', 'dev'],
+  {
+    stdio: 'inherit',
+    env: Object.assign(process.env, { VSCODE_DEBUG: 'true' }),
+  },
+)
diff --git a/vite.config.ts b/vite.config.ts
index 6c5bfc6..a1ea3c3 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -1,4 +1,4 @@
-import { existsSync, rmSync } from 'fs'
+import { rmSync } from 'fs'
 import { join } from 'path'
 import { defineConfig, Plugin, UserConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
@@ -44,20 +44,16 @@ export default defineConfig({
 })
 
 function withDebug(config: UserConfig): UserConfig {
-  const DebugFile = join(__dirname, 'node_modules/.electron-vite-debug')
-  const isDebug = existsSync(DebugFile)
-
-  if (isDebug) {
+  if (process.env.VSCODE_DEBUG) {
     config.build.sourcemap = true
     config.plugins = (config.plugins || []).concat({
       name: 'electron-vite-debug',
       configResolved(config) {
         const index = config.plugins.findIndex(p => p.name === 'electron-main-watcher');
+        // At present, Vite can only modify plugins in configResolved hook.
         (config.plugins as Plugin[]).splice(index, 1)
-        rmSync(DebugFile)
       },
     })
   }
-
   return config
 }