diff --git a/scripts/utils.ts b/scripts/utils.ts
index b8aa352..7b27b80 100644
--- a/scripts/utils.ts
+++ b/scripts/utils.ts
@@ -1,9 +1,10 @@
 import { builtinModules } from 'module'
 import { get } from 'http'
-import { green } from 'chalk'
-import { Plugin } from 'rollup'
+import chalk from 'chalk'
 
-/** 轮询监听 vite 启动 */
+const TAG = '[waitOn]'
+
+/** Listen http server startup */
 export function waitOn(arg0: { port: string | number; interval?: number; }) {
   return new Promise<number | undefined>(resolve => {
     const { port, interval = 149 } = arg0
@@ -12,10 +13,10 @@ export function waitOn(arg0: { port: string | number; interval?: number; }) {
     const timer: NodeJS.Timer = setInterval(() => {
       get(url, res => {
         clearInterval(timer)
-        console.log('[waitOn]', green(`"${url}" are already responsive.`), `(${res.statusCode}: ${res.statusMessage})`)
+        console.log(TAG, chalk.green(`"${url}" are already responsive.`), `(${res.statusCode}: ${res.statusMessage})`)
         resolve(res.statusCode)
       }).on('error', err => {
-        console.log('[waitOn]', `counter: ${counter++}`)
+        console.log(TAG, `counter: ${counter++}`)
       })
     }, interval)
   })
@@ -23,13 +24,3 @@ export function waitOn(arg0: { port: string | number; interval?: number; }) {
 
 /** node.js builtins module */
 export const builtins = () => builtinModules.filter(x => !/^_|^(internal|v8|node-inspect)\/|\//.test(x))
-
-/**
- * @todo
- * typescript with esbuild
- */
-export function typescript(): Plugin {
-  return {
-    name: 'cxmh:rollup-typescript-esbuild',
-  }
-}
diff --git a/src/main/index.ts b/src/main/index.ts
index 4260862..94e7118 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -1,5 +1,5 @@
 import path from 'path'
-import { app, BrowserWindow, ipcMain } from 'electron'
+import { app, BrowserWindow } from 'electron'
 
 app.disableHardwareAcceleration()