diff --git a/src/App.vue b/src/App.vue
index 01dd082..f795a50 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,17 +1,17 @@
 <template>
   <a-locale-provider :locale="local">
     <div id="app">
-      <van-nav-bar
-        v-if="hasNavBar"
-        :class="{'white-style': isWhiteNavBar}"
-        :title="specialTitle || pageTitle"
-        :left-text="hasBack ? $t('back') : ''"
-        :left-arrow="hasBack"
-        :right-text="isChinese ? $t('chinese') : $t('english')"
-        @click-left="handleBack"
-        @click-right="handleChangeLang"
-        :z-index="2"
-      />
+<!--      <van-nav-bar-->
+<!--        v-if="hasNavBar"-->
+<!--        :class="{'white-style': isWhiteNavBar}"-->
+<!--        :title="specialTitle || pageTitle"-->
+<!--        :left-text="hasBack ? $t('back') : ''"-->
+<!--        :left-arrow="hasBack"-->
+<!--        :right-text="isChinese ? $t('chinese') : $t('english')"-->
+<!--        @click-left="handleBack"-->
+<!--        @click-right="handleChangeLang"-->
+<!--        :z-index="2"-->
+<!--      />-->
       <div class="scroll-box" :class="{'no-nav-bar': !hasNavBar}">
         <router-view @titleChange="titleChange" />
       </div>
diff --git a/src/common/lang/zh-cn.js b/src/common/lang/zh-cn.js
index fe10b62..2fe3a62 100644
--- a/src/common/lang/zh-cn.js
+++ b/src/common/lang/zh-cn.js
@@ -2,7 +2,7 @@ const dashboard = require('./dashboard/zh')
 
 module.exports = {
   pageTitle: {
-    home: '首页',
+    home: '标准法规',
     myTodo: '我的待办',
     search: '标准检索',
     filePreview: '文件预览'
diff --git a/src/views/FilePreview/FilePreview.vue b/src/views/FilePreview/FilePreview.vue
index 5ac3577..008731f 100644
--- a/src/views/FilePreview/FilePreview.vue
+++ b/src/views/FilePreview/FilePreview.vue
@@ -28,7 +28,7 @@ export default {
   }
 }
 </script>
-<style>
+<style scoped lang="less">
 .iframe-container {
   /*position: fixed;*/
   /*top: 0;*/
@@ -39,6 +39,13 @@ export default {
   overflow-y: scroll;
 }
 
+.center-flex {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 100%;
+}
+
 .responsive-iframe {
   width: 100%;
   height: 100%;
diff --git a/src/views/Home.vue b/src/views/Home.vue
index 3cb61a7..8c2dcc5 100644
--- a/src/views/Home.vue
+++ b/src/views/Home.vue
@@ -64,6 +64,6 @@ export default {
   width: 90%;
   height: 50px;
   border-radius: 5px;
-  margin: 120% 5% 10px 5%;
+  margin: 100% 5% 10px 5%;
 }
 </style>