fix(controller): DIY首页，切换模块报错

components/page-component/index/app-diy-page.vue

@@ -13,7 +13,7 @@
         <view class="diy-template">
             <block v-for="(item, index) in newData.navs" :key="index">
                 <template v-if="nav_active === index">
-                    <block v-for="(temp, temp_index) in item.template.data" :key="temp_index">
+                    <block v-for="(temp, temp_index) in item.template.data" :key="temp_index" v-if="temp">
                         <template v-if="temp.id === 'background'">
                             <view
                                 class="app-diy-bg"