diff --git a/docs/quickreference.md b/docs/quickreference.md
index 70bf2c8..aad5963 100644
--- a/docs/quickreference.md
+++ b/docs/quickreference.md
@@ -22,6 +22,7 @@ git clone git@github.com:jaywcjlove/reference.git
 ```shell
 npm i         # 安装依赖
 npm run build # 编译输出 HTML
+npm run start # 监听 md 文件编译输出 HTML
 ```
 
 HTML 存放在仓库根目录下的 `dist` 目录中，将 `dist/index.html` 静态页面在浏览器中打开预览。
diff --git a/package.json b/package.json
index 8f41d3a..e756fc2 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   "private": false,
   "scripts": {
     "build": "node scripts/build.mjs",
-    "start": "node scripts/build.mjs"
+    "start": "node scripts/watch.mjs"
   },
   "repository": {
     "type": "git",
@@ -20,6 +20,7 @@
   "keywords": [],
   "devDependencies": {
     "@wcj/markdown-to-html": "^2.0.15",
+    "chokidar": "^3.5.3",
     "fs-extra": "^10.1.0",
     "recursive-readdir-files": "^2.3.0",
     "rehype-document": "^6.1.0",
diff --git a/scripts/index.mjs b/scripts/index.mjs
index f51af5f..2fdd5bc 100644
--- a/scripts/index.mjs
+++ b/scripts/index.mjs
@@ -3,15 +3,15 @@ import path from 'path';
 import recursiveReaddirFiles from 'recursive-readdir-files';
 import { create } from './create.mjs';
 
-const OUTOUT = path.resolve(process.cwd(), 'dist');
-const DOCS = path.resolve(process.cwd(), 'docs');
-const CSSPATH = path.resolve(process.cwd(), 'scripts/style.css');
-const CSS_OUTPUT_PATH = path.resolve(OUTOUT, 'style/style.css');
+export const OUTOUT = path.resolve(process.cwd(), 'dist');
+export const DOCS = path.resolve(process.cwd(), 'docs');
+export const CSSPATH = path.resolve(process.cwd(), 'scripts/style.css');
+export const CSS_OUTPUT_PATH = path.resolve(OUTOUT, 'style/style.css');
 
-async function createHTML(files = [], num = 0) {
+export async function createHTML(files = [], num = 0) {
   const dataFile = files[num];
   if (!dataFile) {
-    console.log('\ndone!')
+    console.log(' \n done!\n')
     return;
   }
   ++num;
diff --git a/scripts/watch.mjs b/scripts/watch.mjs
new file mode 100644
index 0000000..ab91bb2
--- /dev/null
+++ b/scripts/watch.mjs
@@ -0,0 +1,19 @@
+import path from 'path';
+import chokidar from 'chokidar';
+import { getStat } from 'recursive-readdir-files';
+import { run, DOCS, createHTML } from './index.mjs';
+
+;(async () => {
+  await run();
+  const homeMdPath = path.relative(process.cwd(), 'README.md')
+  const watcher = chokidar.watch([DOCS, homeMdPath], {
+    ignored: /(^|[\/\\])\../, // ignore dotfiles
+    persistent: true
+  });
+
+  watcher.on('change', async (path) => {
+    const stats = await getStat(path)
+    createHTML([stats]);
+  })
+  .on('error', error => console.log(`Watcher error: ${error}`))
+})();
\ No newline at end of file