From 9ce3f0d462892eeb1980a9b68cc12bc9a8230bb8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=A3=8E=E8=B5=B7?= <fengqi@users.noreply.github.com>
Date: Thu, 22 Sep 2016 10:44:12 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=20https=20=E9=83=A8=E7=BD=B2?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98?=
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`upload` 和 `download` 会使用 `var http = opt.protocol === 'https:' ? require('https') : require('http');` 这样的语法判断引入的库

但是 `opt = _.parseUrl(url, opt);` 返回的没没有 `protocol`
---
 lib/util.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/util.js b/lib/util.js
index 4b8e488..87db7e7 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -720,6 +720,7 @@ _.parseUrl = function(url, opt){
     opt = opt || {};
     url = Url.parse(url);
     var ssl = url.protocol === 'https:';
+    opt.protocol = url.protocol;
     opt.host = opt.host
         || opt.hostname
         || ((ssl || url.protocol === 'http:') ? url.hostname : 'localhost');