改用数字参数（大屏问题）

pages/index/index.js

@@ -5,10 +5,10 @@ Page({
   data: {
     items: [],
     slides: [],
-    navs: [{icon: "../../images/icon-new-list1.png", name: "资产"},
-           {icon: "../../images/icon-new-list2.png", name: "直销"},
-           {icon: "../../images/icon-new-list3.png", name: "甄选"},
-           {icon: "../../images/icon-new-list4.png", name: "管到"}],
+    navs: [{icon: "../../images/icon-new-list1.png", name: "资产", typeId: 0},
+           {icon: "../../images/icon-new-list2.png", name: "直销", typeId: 1},
+           {icon: "../../images/icon-new-list3.png", name: "甄选", typeId: 2},
+           {icon: "../../images/icon-new-list4.png", name: "管到", typeId: 3}],
 
     popularity_products: [],
     new_products: [],

pages/index/index.wxml

@@ -11,7 +11,7 @@
 
     <view class="navs">
       <block wx:for-items="{{navs}}" wx:key="name">
-        <view class="nav-item" catchtap="catchTapCategory" data-type="{{item.name}}">
+        <view class="nav-item" catchtap="catchTapCategory" data-type="{{item.typeId}}">
           <image src="{{item.icon}}" class="nav-image"/>
           <text>{{item.name}}</text>
         </view>