From e0e57d30b429c68298ae41da34fbdcfd4a6f3382 Mon Sep 17 00:00:00 2001
From: Xargin <cao1988228@163.com>
Date: Tue, 18 Oct 2016 13:00:47 +0800
Subject: [PATCH] fix typo

---
 ch1/ch1-02.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ch1/ch1-02.md b/ch1/ch1-02.md
index 91476c4..9aceff2 100644
--- a/ch1/ch1-02.md
+++ b/ch1/ch1-02.md
@@ -101,6 +101,7 @@ package main
 
 import (
 	"fmt"
+    "os"
 )
 
 func main() {