From dcd2635cec236f338db6fcead0c89f5ef1bd9014 Mon Sep 17 00:00:00 2001
From: Tony Bai <bigwhite.cn@aliyun.com>
Date: Mon, 30 Oct 2017 05:11:26 -0500
Subject: [PATCH] Update 04.5.md

Add fh.Close() to the "Clients upload files" demo
---
 en/04.5.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/en/04.5.md b/en/04.5.md
index 97eaecde..6a622b89 100644
--- a/en/04.5.md
+++ b/en/04.5.md
@@ -124,6 +124,7 @@ func postFile(filename string, targetUrl string) error {
         fmt.Println("error opening file")
         return err
     }
+    defer fh.Close()
 
     //iocopy
     _, err = io.Copy(fileWriter, fh)