fix 80650

src/App.vue

@@ -11,7 +11,7 @@
         @click-left="handleBack"
         @click-right="handleChangeLang"
       />
-      <div class="scroll-box">
+      <div class="scroll-box" :class="{'no-nav-bar': !hasNavBar}">
         <router-view />
       </div>
     </div>
@@ -40,6 +40,8 @@ export default {
     Vue.ls.set('language', ZH, 7 * 24 * 60 * 60 * 1000)
     Locale.use('zh-CN', zhCN)
     this.$i18n.locale = ZH
+  },
+  mounted () {
     // 修改顶部标题
     document.title = this.pageTitle
   },
@@ -113,6 +115,10 @@ export default {
   overflow: auto;
 }
 
+.no-nav-bar {
+  height: 100vh;
+}
+
 /*处理白色头部导航样式*/
 .white-style {
   background-color: #FFFFFF !important;