Merge pull request #19 from Code-Hex/fix/esm

fixed esm dist

Author: Code-Hex

package.json

@@ -6,7 +6,7 @@
   "license": "MIT",
   "main": "dist/main/index.js",
   "typings": "dist/main/index.d.ts",
-  "module": "dist/module/index.mjs",
+  "module": "dist/module/index.js",
   "files": [
     "dist/**/*.{js,ts}",
     "LICENSE",