From 90d9890b069a2d91073543f55797e0d694ea13fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=A9=AC=E4=BA=91=E6=B5=B7=20mayunhai=20=28=29?=
 <mayunhai@tuniu.com>
Date: Fri, 1 Mar 2019 09:47:28 +0800
Subject: [PATCH] =?UTF-8?q?=E5=90=8C=E6=AD=A5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/utils/index.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/utils/index.js b/src/utils/index.js
index 22456861..613ae2a3 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -276,7 +276,14 @@ export function deepClone(source) {
   if (!source && typeof source !== 'object') {
     throw new Error('error arguments', 'shallowClone')
   }
-  const targetObj = source.constructor === Array ? Object.assign([], source) : Object.assign({}, source)
+  const targetObj = source.constructor === Array ? [] : {}
+  Object.keys(source).forEach(keys => {
+    if (source[keys] && typeof source[keys] === 'object') {
+      targetObj[keys] = deepClone(source[keys])
+    } else {
+      targetObj[keys] = source[keys]
+    }
+  })
   return targetObj
 }