diff --git a/index.d.ts b/index-old.d.ts
similarity index 100%
rename from index.d.ts
rename to index-old.d.ts
diff --git a/package.json b/package.json
index 2305b92856..8ca4140b68 100644
--- a/package.json
+++ b/package.json
@@ -60,6 +60,7 @@
     "@arethetypeswrong/cli": "^0.15.3",
     "@eggjs/tsconfig": "1",
     "@types/koa-bodyparser": "^4.3.12",
+    "@types/mocha": "^10.0.7",
     "@types/ms": "^0.7.34",
     "@types/node": "20",
     "address": "2",
@@ -117,6 +118,10 @@
       "require": "./dist/commonjs"
     }
   },
+  "files": [
+    "dist",
+    "src"
+  ],
   "type": "module",
   "tshy": {
     "exports": {
diff --git a/test/index.test.js b/test/index.test.ts
similarity index 80%
rename from test/index.test.js
rename to test/index.test.ts
index 6b52ae6fee..b345f62899 100644
--- a/test/index.test.js
+++ b/test/index.test.ts
@@ -1,7 +1,5 @@
-'use strict';
-
-const assert = require('assert');
-const egg = require('..');
+import { strict as assert } from 'node:assert';
+import * as egg from '../src/index.js';
 
 describe('test/index.test.js', () => {
   it('should expose properties', () => {
diff --git a/tsconfig.json b/tsconfig.json
index 7f39495db7..ff41b73422 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,18 +1,10 @@
 {
+  "extends": "@eggjs/tsconfig",
   "compilerOptions": {
-    "declaration": true,
-    "declarationMap": true,
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
-    "inlineSources": true,
-    "jsx": "react",
-    "module": "nodenext",
-    "moduleResolution": "nodenext",
-    "noUncheckedIndexedAccess": true,
-    "resolveJsonModule": true,
-    "skipLibCheck": true,
-    "sourceMap": true,
     "strict": true,
-    "target": "es2022"
+    "noImplicitAny": true,
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext"
   }
 }