diff --git a/package.json b/package.json
index 20003d17..b0b53ea1 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
         "test-merge": "node ./test/test-merge.js",
         "test-merge-istanbul": "node ./test/test-merge-istanbul.js",
         "test-client": "node ./test/test-client.js",
-        "test-all": "npm run test-node && npm run test-browser && npm run test-cli && npm run test-tsx && npm run test-merge",
+        "test-all": "npm run test-node && npm run test-browser && npm run test-cli && npm run test-tsx && npm run test-merge && node ./scripts/docs.js",
         "test": "npx mcr npm run test-all -c test/mcr.config.mcr.js",
         "test:snap": "cross-env TEST_SNAPSHOT=true npm run test",
         "dev": "sf d v8",
diff --git a/scripts/docs.js b/scripts/docs.js
new file mode 100644
index 00000000..6b19e06d
--- /dev/null
+++ b/scripts/docs.js
@@ -0,0 +1,42 @@
+const fs = require('fs');
+const path = require('path');
+
+const Util = require('../lib/utils/util.js');
+
+const buildDocs = () => {
+
+    console.log('build docs ...');
+
+    const docsDir = path.resolve(__dirname, '../docs');
+    const list = fs.readdirSync(docsDir, {
+        withFileTypes: true
+    });
+
+    const html = ['<h3><a href="https://github.com/cenfun/monocart-coverage-reports">Monocart Coverage Reports</a></h3><ul>'];
+    for (const item of list) {
+        if (item.isDirectory()) {
+            const indexPath = path.resolve(docsDir, item.name, 'index.html');
+            if (fs.existsSync(indexPath)) {
+                html.push(`<li><a href="${item.name}/index.html">${item.name}</a></li>`);
+            }
+        }
+    }
+
+    html.push('</ul>');
+
+    const markdownTemplate = fs.readFileSync(path.resolve(__dirname, 'template/markdown.html'), {
+        encoding: 'utf-8'
+    });
+
+    const content = Util.replace(markdownTemplate, {
+        placeholder_title: 'Monocart Coverage Reports',
+        placeholder_content: html.join('')
+    });
+
+    fs.writeFileSync(path.resolve(__dirname, '../docs/index.html'), content);
+
+    console.log('generated docs/index.html');
+
+};
+
+buildDocs();