From d272cd664d9cb74c72bc07edaad957a39a2bd588 Mon Sep 17 00:00:00 2001
From: p13766 <p13766@163.com>
Date: Tue, 29 Jul 2014 18:03:42 +0800
Subject: [PATCH] Update api_media.js
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

getMedia方法增加对异常处理
---
 lib/api_media.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/api_media.js b/lib/api_media.js
index a0a4df80..841be999 100644
--- a/lib/api_media.js
+++ b/lib/api_media.js
@@ -92,7 +92,10 @@ exports.getMedia = function (mediaId, callback) {
 exports._getMedia = function (mediaId, callback) {
   var url = this.fileServerPrefix + 'media/get?access_token=' + this.token.accessToken + '&media_id=' + mediaId;
   urllib.request(url, {}, wrapper(function (err, data, res) {
-    // 不用处理err，因为wrapper函数处理过
+    // handle some err
+    if (err) {
+      return callback(err);
+    }
     var contentType = res.headers['content-type'];
     if (contentType === 'application/json') {
       var ret;