Merge branch 'develop' of git.dev.yoho.cn:web/yohobuywap-node into develop

@@ -10,10 +10,18 @@ const _ = require('lodash');
 
 const getChannle = () => ('kids');
 
-exports.setNavHeader = (title, backUrl, navBtn) => {
+/**
+ * 设置头部
+ * @param {String} title 标题
+ * @param {Boolen} backUrl 返回的url
+ * @param {Boolen} navBtn 是否显示导航
+ * @param {Boolen} navBack 是否显示返回箭头
+ */
+exports.setNavHeader = (title, navBack, backUrl, navBtn) => {
     let header = {
         navTitle: title,
         backUrl: backUrl,
+        navBack: navBack,
         navBtn: navBtn
     };
 
@@ -22,6 +30,7 @@ exports.setNavHeader = (title, backUrl, navBtn) => {
     return _.merge({
         navTitle: '',
         backUrl: true,
+        navBack: true,
         navBtn: true,
         boys: true
     }, header);