diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7712c7c..7167bad 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,12 +9,19 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [16, 18, 20]
     steps:
       - uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
       - uses: oven-sh/setup-bun@v2
       - run: bun i
       - run: bun run lint
       - run: bun run coverage
       - uses: codecov/codecov-action@v4
         with:
-          token: ${{ secrets.CODECOV_TOKEN }}
+          token: ${{ secrets.CODECOV_TOKEN }}
\ No newline at end of file
diff --git a/bin/fanyi.js b/bin/fanyi.mjs
similarity index 84%
rename from bin/fanyi.js
rename to bin/fanyi.mjs
index f46e606..60c22c5 100755
--- a/bin/fanyi.js
+++ b/bin/fanyi.mjs
@@ -1,11 +1,13 @@
 #!/usr/bin/env -S node --no-deprecation
 
-const { Command } = require('commander');
-const chalk = require('chalk');
-const updateNotifier = require('update-notifier');
-const pkg = require('../package.json');
-const config = require('../lib/config');
-const { searchList } = require('../lib/searchHistory');
+import { readFile } from 'node:fs/promises';
+import chalk from 'chalk';
+import { Command } from 'commander';
+import updateNotifier from 'update-notifier';
+import config from '../lib/config.mjs';
+import { searchList } from '../lib/searchHistory.mjs';
+
+const pkg = JSON.parse(await readFile(new URL('../package.json', import.meta.url)));
 
 updateNotifier({ pkg }).notify();
 const program = new Command();
@@ -82,6 +84,6 @@ if (!process.argv.slice(2).length) {
 async function runFY(options = {}) {
   const defaultOptions = await config.load();
   const mergedOptions = { ...defaultOptions, ...options };
-  const fanyi = require('..');
-  fanyi(program.args.join(' '), mergedOptions);
+  const fanyi = await import('../index.mjs');
+  fanyi.default(program.args.join(' '), mergedOptions);
 }
diff --git a/bun.lockb b/bun.lockb
index 72d9f6a..960f645 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/index.js b/index.mjs
similarity index 90%
rename from index.js
rename to index.mjs
index 70c561b..5cfae58 100644
--- a/index.js
+++ b/index.mjs
@@ -1,9 +1,9 @@
-const { Groq } = require('groq-sdk');
-const print = require('./lib/print');
-const fetch = (...args) => import('node-fetch').then(({ default: fetch }) => fetch(...args));
-const { XMLParser } = require('fast-xml-parser');
-const ora = require('ora');
-const gradient = require('gradient-string');
+import { XMLParser } from 'fast-xml-parser';
+import gradient from 'gradient-string';
+import { Groq } from 'groq-sdk';
+import fetch from 'node-fetch';
+import ora from 'ora';
+import { printIciba } from './lib/iciba.mjs';
 
 const gradients = [
   'cristal',
@@ -21,7 +21,7 @@ const gradients = [
   'rainbow',
 ];
 
-module.exports = async (word, options) => {
+export default async (word, options) => {
   console.log('');
   const { iciba, groq, GROQ_API_KEY } = options;
   const endcodedWord = encodeURIComponent(word);
@@ -37,7 +37,7 @@ module.exports = async (word, options) => {
       const parser = new XMLParser();
       const result = parser.parse(xml);
       spinner.stop();
-      print.iciba(result.dict, options);
+      printIciba(result.dict, options);
     } catch (error) {
       spinner.fail('访问 iciba 失败，请检查网络');
     }
diff --git a/lib/config.js b/lib/config.mjs
similarity index 52%
rename from lib/config.js
rename to lib/config.mjs
index 9a50ca2..97b9a0c 100644
--- a/lib/config.js
+++ b/lib/config.mjs
@@ -1,18 +1,19 @@
-const homedir = process.env.HOME || require('node:os').homedir();
-const path = require('node:path');
-const fs = require('node:fs');
-const chalk = require('chalk');
-const configDir = path.resolve(homedir, '.config', 'fanyi');
+import { existsSync, mkdirSync, readFileSync, statSync, writeFileSync } from 'node:fs';
+import { homedir } from 'node:os';
+import path from 'node:path';
+import { Chalk } from 'chalk';
+
+const configDir = path.resolve(homedir(), '.config', 'fanyi');
 const configPath = path.resolve(configDir, '.fanyirc');
 
 // 初始化一个带颜色的 chalk 实例
-const chalkInstance = new chalk.Instance({ level: 3 });
+const chalk = new Chalk({ level: 3 });
 
 const config = {
   async load(path = configPath) {
     const emptyObj = {};
-    if (fs.existsSync(path) && fs.statSync(path).isFile()) {
-      const content = fs.readFileSync(path, 'utf-8');
+    if (existsSync(path) && statSync(path).isFile()) {
+      const content = readFileSync(path, 'utf-8');
       try {
         return JSON.parse(content.toString());
       } catch (e) {
@@ -26,11 +27,9 @@ const config = {
     const defaultOptions = await config.load(path);
     const mergedOptions = { ...defaultOptions, ...options };
     const content = JSON.stringify(mergedOptions, null, 2);
-    fs.existsSync(configDir) || fs.mkdirSync(configDir, { recursive: true });
-    fs.writeFileSync(path, content);
-    console.log(
-      `${chalkInstance.bgGreen(JSON.stringify(options))} config saved at ${chalkInstance.gray(path)}:`,
-    );
+    existsSync(configDir) || mkdirSync(configDir, { recursive: true });
+    writeFileSync(path, content);
+    console.log(`${chalk.bgGreen(JSON.stringify(options))} config saved at ${chalk.gray(path)}:`);
     for (const [key, value] of Object.entries(options)) {
       console.log(`${chalk.cyan(key)}: ${chalk.yellow(value)}`);
     }
@@ -40,4 +39,4 @@ const config = {
   },
 };
 
-module.exports = config;
+export default config;
diff --git a/lib/print.js b/lib/iciba.mjs
similarity index 67%
rename from lib/print.js
rename to lib/iciba.mjs
index b771c27..99d0b59 100644
--- a/lib/print.js
+++ b/lib/iciba.mjs
@@ -1,10 +1,21 @@
-const { saveHistory } = require('./searchHistory');
-let chalk = require('chalk');
+import { Chalk } from 'chalk';
+import { saveHistory } from './searchHistory.mjs';
 
-exports.iciba = (data, options = {}) => {
-  if (options.color === false) {
-    chalk = initChalkWithNoColor();
+function log(message, indentNum = 1) {
+  let indent = '';
+  for (let i = 1; i < indentNum; i += 1) {
+    indent += ' ';
   }
+  console.log(indent, message || '');
+}
+
+export function printIciba(data, options = {}) {
+  const chalk = new Chalk({ level: options.color === false ? 0 : 3 });
+
+  const highlight = (string, key, defaultColor = 'gray') =>
+    string
+      .replace(new RegExp(`(.*)(${key})(.*)`, 'gi'), `$1$2${chalk[defaultColor]('$3')}`)
+      .replace(new RegExp(`(.*?)(${key})`, 'gi'), chalk[defaultColor]('$1') + chalk.yellow('$2'));
 
   let firstLine = '';
   const means = [];
@@ -53,27 +64,5 @@ exports.iciba = (data, options = {}) => {
   log();
   log(chalk.gray('-----'));
   log();
-  saveHistory(data.key[0], means);
-};
-
-function log(message, indentNum = 1) {
-  let indent = '';
-  for (let i = 1; i < indentNum; i += 1) {
-    indent += ' ';
-  }
-  console.log(indent, message || '');
-}
-
-function highlight(string, key, defaultColor = 'gray') {
-  return string
-    .replace(new RegExp(`(.*)(${key})(.*)`, 'gi'), `$1$2${chalk[defaultColor]('$3')}`)
-    .replace(new RegExp(`(.*?)(${key})`, 'gi'), chalk[defaultColor]('$1') + chalk.yellow('$2'));
-}
-
-function initChalkWithNoColor() {
-  try {
-    return new chalk.constructor({ enabled: false });
-  } catch (e) {
-    return new chalk.Instance({ level: 0 });
-  }
+  saveHistory(data.key, means);
 }
diff --git a/lib/searchHistory.js b/lib/searchHistory.mjs
similarity index 78%
rename from lib/searchHistory.js
rename to lib/searchHistory.mjs
index 0a9581f..67283ea 100644
--- a/lib/searchHistory.js
+++ b/lib/searchHistory.mjs
@@ -1,10 +1,11 @@
-const fs = require('fs-extra');
-const path = require('node:path');
-const chalk = require('chalk');
-const dayjs = require('dayjs');
+import { readFileSync, writeFile } from 'node:fs';
+import { homedir } from 'node:os';
+import path from 'node:path';
+import chalk from 'chalk';
+import dayjs from 'dayjs';
+import { ensureFileSync } from './utils.mjs';
 
-const homedir = process.env.HOME || require('node:os').homedir();
-const searchFilePath = path.resolve(homedir, '.config', 'fanyi', 'searchHistory.txt');
+const searchFilePath = path.resolve(homedir(), '.config', 'fanyi', 'searchHistory.txt');
 
 const DAY_SPLIT = 'day-';
 const WORD_MEAN_SPLIT = '  ';
@@ -27,22 +28,21 @@ function getTargetContent(content, startDay, endDay) {
 //${WORD_MEAN_SPLIT}v. 命名
 // 👆👆👆
 function genWordMean(word, means) {
-  const meansWithSplit = means.join(`\n${WORD_MEAN_SPLIT}`);
-  return `${word}\n${WORD_MEAN_SPLIT}${meansWithSplit}\n`;
+  return `${word}\n${WORD_MEAN_SPLIT}${means.join(`\n${WORD_MEAN_SPLIT}`)}\n`;
 }
 
 function getDaySplit(someDay) {
   return `${DAY_SPLIT}${someDay}:`;
 }
 
-exports.searchList = (args) => {
+export const searchList = (args) => {
   const { someDay, recentDays, showFile } = args;
   console.log();
   console.log(chalk.gray('fanyi history:'));
   console.log();
   let targetContent;
-  fs.ensureFileSync(searchFilePath);
-  const data = fs.readFileSync(searchFilePath);
+  ensureFileSync(searchFilePath);
+  const data = readFileSync(searchFilePath);
   const content = data.toString();
   let targetDay = dayjs(someDay).format('YYYY-MM-DD');
 
@@ -97,11 +97,10 @@ exports.searchList = (args) => {
   }
 };
 
-exports.saveHistory = (word, means) => {
+export const saveHistory = (word, means) => {
   try {
-    fs.ensureFileSync(searchFilePath);
-
-    const contentBuffer = fs.readFileSync(searchFilePath);
+    ensureFileSync(searchFilePath);
+    const contentBuffer = readFileSync(searchFilePath);
     const content = contentBuffer.toString();
     if (content.includes(today)) {
       const targetContent = getTargetContent(content, today);
@@ -109,11 +108,11 @@ exports.saveHistory = (word, means) => {
       if (targetContent[0].includes(`${word}\n`)) {
         return;
       }
-      fs.writeFile(searchFilePath, genWordMean(word, means), { flag: 'a' }, (err) => {
+      writeFile(searchFilePath, genWordMean(word, means), { flag: 'a' }, (err) => {
         if (err) throw err;
       });
     } else {
-      fs.writeFile(
+      writeFile(
         searchFilePath,
         `${getDaySplit(today)}\n${genWordMean(word, means)}\n`,
         { flag: 'a' },
diff --git a/lib/utils.mjs b/lib/utils.mjs
new file mode 100644
index 0000000..ea92974
--- /dev/null
+++ b/lib/utils.mjs
@@ -0,0 +1,26 @@
+import { existsSync, mkdirSync, writeFileSync } from 'node:fs';
+import path from 'node:path';
+
+/**
+ * Ensure the file exists, if not, create it and its directory.
+ * @param {string} filePath - The path to the file.
+ */
+export function ensureFileSync(filePath) {
+  try {
+    // Check if the file already exists
+    if (!existsSync(filePath)) {
+      // Get the directory name of the file
+      const dir = path.dirname(filePath);
+
+      // Recursively create the directory if it doesn't exist
+      if (!existsSync(dir)) {
+        mkdirSync(dir, { recursive: true });
+      }
+
+      // Create an empty file
+      writeFileSync(filePath, '');
+    }
+  } catch (error) {
+    console.error(`Error ensuring file: ${error.message}`);
+  }
+}
diff --git a/package.json b/package.json
index 5655918..c4b901d 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,8 @@
   "author": "afc163 <afc163@gmail.com>",
   "license": "MIT",
   "bin": {
-    "fy": "bin/fanyi.js",
-    "fanyi": "bin/fanyi.js"
+    "fy": "bin/fanyi.mjs",
+    "fanyi": "bin/fanyi.mjs"
   },
   "keywords": ["chinese", "translator", "iciba", "groq", "llama", "cli", "fanyi"],
   "engines": {
@@ -20,35 +20,37 @@
   "readmeFilename": "README.md",
   "files": ["index.js", "bin", "lib"],
   "dependencies": {
-    "chalk": "^4.1.2",
+    "chalk": "^5.3.0",
     "commander": "^12.1.0",
     "dayjs": "^1.11.13",
     "fast-xml-parser": "^4.5.0",
-    "fs-extra": "^11.2.0",
     "gradient-string": "^2.0.2",
     "groq-sdk": "^0.7.0",
     "node-fetch": "^3.3.2",
-    "ora": "^5.4.1",
-    "update-notifier": "^5.1.0"
+    "ora": "^8.1.0",
+    "update-notifier": "^7.3.1"
   },
   "lint-staged": {
-    "*.{js,ts,json,yml}": ["biome check --write --files-ignore-unknown=true"]
+    "*.{js,mjs,ts,json,yml}": [
+      "biome check --write --files-ignore-unknown=true --no-errors-on-unmatched"
+    ]
   },
   "devDependencies": {
-    "@biomejs/biome": "^1.9.0",
+    "@biomejs/biome": "^1.9.2",
     "c8": "^10.1.2",
     "husky": "^9.1.6",
     "lint-staged": "^15.2.10",
     "np": "^10.0.7",
-    "vitest": "^2.1.0"
+    "vitest": "^2.1.1"
   },
   "scripts": {
-    "test": "vitest run",
+    "test": "vitest run --test-timeout=20000",
     "coverage": "c8 --reporter=lcov --reporter=text npm test",
     "lint": "biome check .",
     "format": "biome check . --write",
     "prepublishOnly": "np --no-cleanup --no-publish",
     "lint-staged": "lint-staged",
     "prepare": "husky"
-  }
+  },
+  "type": "module"
 }
diff --git a/tests/index.test.ts b/tests/index.test.ts
index 7309c39..1c7b831 100644
--- a/tests/index.test.ts
+++ b/tests/index.test.ts
@@ -1,8 +1,9 @@
 import { fork } from 'node:child_process';
 import path from 'node:path';
+import { fileURLToPath } from 'node:url';
 import { describe, expect, it } from 'vitest';
 
-const scriptPath = path.resolve(__dirname, '../bin/fanyi.js');
+const scriptPath = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../bin/fanyi.mjs');
 
 const runScript = (args: string[] = []): Promise<{ stdout: string; stderr: string }> => {
   return new Promise((resolve, reject) => {
@@ -31,8 +32,10 @@ const runScript = (args: string[] = []): Promise<{ stdout: string; stderr: strin
 
 describe('fanyi CLI', () => {
   it('should print translation of the word', async () => {
+    await runScript(['config', 'set', 'color', 'false']);
     const { stdout } = await runScript(['hello']);
     expect(stdout).toContain(`hello  英[ hə'ləʊ ]  美[ həˈloʊ ]  ~  iciba.com`);
+    await runScript(['config', 'set', 'color', 'true']);
   });
 
   it('should print usage if no arguments are given', async () => {
@@ -59,7 +62,10 @@ describe('fanyi CLI', () => {
   it('should print without color', async () => {
     await runScript(['config', 'set', 'color', 'false']);
     const { stdout } = await runScript(['hello']);
-    expect(stdout).toContain(`hello  英[ hə'ləʊ ]  美[ həˈloʊ ]  ~  iciba.com`);
+    expect(stdout).not.toContain('\u001b[35m');
+    await runScript(['config', 'set', 'color', 'true']);
+    const { stdout: stdout2 } = await runScript(['hello']);
+    expect(stdout2).toContain('\u001b[35m');
   });
 
   it('should print config', async () => {