diff --git a/package.json b/package.json
index 25c0487..9327568 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,11 @@
   "types": "lib/index.d.ts",
   "source": "src/index.ts",
   "umd:main": "umd/bundle.min.js",
+  "type": "module",
+  "exports": {
+    "import": "./lib/index.js",
+    "require": "./dist/index.js"
+  },
   "scripts": {
     "build": "npm run build:es6 && npm run build:commonjs && npm run build:umd && npm run build:docs",
     "build:es6": "rm -rf lib && tsc",
@@ -34,7 +39,7 @@
     "type": "git",
     "url": "git+https://github.com/zrwusa/data-structure-typed.git"
   },
-  "author": "Tyler Zeng zrwusa@gmail.com",
+  "author": "Tyler Zeng <zrwusa@gmail.com>",
   "license": "MIT",
   "publishConfig": {
     "@zrwusa:registry": "https://npm.pkg.github.com"
diff --git a/tsconfig.json b/tsconfig.json
index 500c3ba..4b9d87a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,9 +1,9 @@
 {
   "compilerOptions": {
+    "target": "ES6",
+    "module": "ES6",
     "outDir": "./lib",
     "declaration": true,
-    "module": "ES6",
-    "target": "ES6",
     "lib": [
       "ESNext"
     ],
diff --git a/tsconfig.prod.json b/tsconfig.prod.json
index f0b1573..1776ab6 100644
--- a/tsconfig.prod.json
+++ b/tsconfig.prod.json
@@ -3,10 +3,11 @@
     "target": "ES6",
     "module": "CommonJS",
     "outDir": "./dist",
-    "sourceMap": true,
+    "declaration": true,
     "lib": [
       "ESNext"
     ],
+    "sourceMap": true,
     "strict": true,
     "downlevelIteration": true,
     "removeComments": true,