diff --git a/pages/index/index.js b/pages/index/index.js
index a524e34..262ec1e 100644
--- a/pages/index/index.js
+++ b/pages/index/index.js
@@ -1,8 +1,8 @@
 //index.js
 //获取应用实例
 const app = getApp();
-const selectedIndex = app.globalData.getSelectedTypeIndex();
 const typeList = app.globalData.getTypeList();
+const selectedIndex = typeList.length > 1 ? app.globalData.getSelectedTypeIndex() : 0;
 
 let audio = null;
 
@@ -11,7 +11,7 @@ Page({
         placeholder: '点击此处输入文字',
         text: '',
         typeList,
-        selectedIndex: String(selectedIndex) ? selectedIndex : 5
+        selectedIndex: String(selectedIndex) ? selectedIndex : 0
     },
     onLoad(){
         wx.showShareMenu();
diff --git a/pages/index/index.wxml b/pages/index/index.wxml
index 00a27dc..e53d050 100644
--- a/pages/index/index.wxml
+++ b/pages/index/index.wxml
@@ -16,7 +16,7 @@
         <button bindtap="gotoAudioList" class="goto-audio-list" type="primary" size="mini"> 下载 </button>
         <button bindtap="clear" class="button" type="default" size="mini"> 清空 </button>
     </view>
-    <view class="type-view">
+    <view class="type-view" wx:if="{{typeList.length > 1}}">
         <button
             wx:for="{{typeList}}"
             wx:key="desc"
diff --git a/pages/index/index.wxss b/pages/index/index.wxss
index e1cc1b3..b5772f6 100644
--- a/pages/index/index.wxss
+++ b/pages/index/index.wxss
@@ -2,6 +2,7 @@
 
 .text-view{
     width: 100%;
+    margin-bottom: 20rpx;
     text-align: center;
 }
 .text-area{
@@ -10,17 +11,19 @@
     text-align: left;
     box-sizing: border-box;
     display: inline-block;
-    border: 1rpx dashed #afafaf;
+    border: 1px dashed #afafaf;
 }
 
 .button-view{
     width: 100%;
-    margin-top: 20rpx;
+    margin-bottom: 40rpx;
     text-align: center;
 }
 .button-view button{
     width: 95%;
     display: inline-block;
+    vertical-align: top;
+    margin-bottom: 20rpx;
     height: 92rpx;
     line-height: 92rpx;
     font-size: 36rpx;
@@ -29,7 +32,6 @@
 
 .type-view{
     width: 95%;
-    margin-top: 40rpx;
     margin-bottom: 40rpx;
     display: flex;
     justify-content: space-between;
@@ -41,5 +43,5 @@
     letter-spacing: 15rpx;
 }
 .ad-1{
-    margin-bottom: 10px;
+    margin-bottom: 20rpx;
 }
\ No newline at end of file
diff --git a/pages/result/result.wxss b/pages/result/result.wxss
index c2eec1b..3b9a76a 100644
--- a/pages/result/result.wxss
+++ b/pages/result/result.wxss
@@ -29,7 +29,7 @@
     color: #999;
 }
 .ad-placeholder{
-    min-height: 111px;
+    min-height: 150px;
     margin-bottom: 10px;
     background: #efefef;
 }
\ No newline at end of file