diff --git a/bin/index.js b/bin/index.js
index 3797494..037f5b1 100644
--- a/bin/index.js
+++ b/bin/index.js
@@ -1,4 +1,4 @@
-#! node
+#!/usr/local/env node
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 var koa_1 = require("./koa");
diff --git a/bin/index.ts b/bin/index.ts
index 815523b..2d45d91 100644
--- a/bin/index.ts
+++ b/bin/index.ts
@@ -1,4 +1,4 @@
-#! node
+#!/usr/local/env node
 import { Koa } from "./koa";
 
-new Koa()
\ No newline at end of file
+new Koa()