From 01fc8bbca01ba8a904047bcc68f2958135e37852 Mon Sep 17 00:00:00 2001
From: carsonxu <459452372@qq.com>
Date: Tue, 29 Aug 2017 21:52:45 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Djson=E8=AF=B7=E6=B1=82?=
 =?UTF-8?q?=E9=94=99=E8=AF=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 lib/request.js | 40 ++++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/lib/request.js b/lib/request.js
index 8d4b248..a826890 100644
--- a/lib/request.js
+++ b/lib/request.js
@@ -4107,25 +4107,6 @@ var request = function (options, callback) {
     options.type = options.method;
     delete options.method;
 
-    // headers
-    if (options.headers) {
-        var headers = options.headers;
-        delete options.headers;
-        options.beforeSend = function (xhr) {
-            for (var key in headers) {
-                if (headers.hasOwnProperty(key) &&
-                    key.toLowerCase() !== 'content-length' &&
-                    key.toLowerCase() !== 'user-agent' &&
-                    key.toLowerCase() !== 'origin' &&
-                    key.toLowerCase() !== 'host') {
-                    xhr.setRequestHeader(key, headers[key]);
-                }
-            }
-        };
-    } else {
-        options.headers = {};
-    }
-
     // progress
     if (options.onProgress) {
         options.progress = options.onProgress;
@@ -4143,8 +4124,10 @@ var request = function (options, callback) {
 
     // json
     if (options.json) {
-        options.data = JSON.stringify(options.json);
+        options.data = options.body;
         delete options.json;
+        delete options.body;
+        !options.headers && (options.headers = {});
         options.headers['Content-Type'] = 'application/json';
     }
 
@@ -4156,6 +4139,23 @@ var request = function (options, callback) {
         }
     }
 
+    // headers
+    if (options.headers) {
+        var headers = options.headers;
+        delete options.headers;
+        options.beforeSend = function (xhr) {
+            for (var key in headers) {
+                if (headers.hasOwnProperty(key) &&
+                    key.toLowerCase() !== 'content-length' &&
+                    key.toLowerCase() !== 'user-agent' &&
+                    key.toLowerCase() !== 'origin' &&
+                    key.toLowerCase() !== 'host') {
+                    xhr.setRequestHeader(key, headers[key]);
+                }
+            }
+        };
+    }
+
     var getResponse = function (xhr) {
         var headers = {};
         xhr.getAllResponseHeaders().trim().split('\n').forEach(function (item) {