diff --git a/src/.DS_Store b/src/.DS_Store
index 98b24a3..12cf5d8 100644
Binary files a/src/.DS_Store and b/src/.DS_Store differ
diff --git a/src/pages/4/index.scss b/src/pages/4/index.scss
index 8675887..d22672e 100644
--- a/src/pages/4/index.scss
+++ b/src/pages/4/index.scss
@@ -1,7 +1,7 @@
 .page {
   width: 100vw;
   min-height: 120vh;
-  .page-img{
+  .page-img {
     width: 100%;
     height: 100%;
   }
@@ -14,3 +14,19 @@
   z-index: 3;
   width: 100vw;
 }
+
+.footer {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  padding: 20rpx 0 60rpx;
+  background-color: #fff;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  .btn {
+    display: block;
+    width: 690rpx;
+  }
+}
diff --git a/src/pages/4/index.wxml b/src/pages/4/index.wxml
index f9515d9..72d0129 100644
--- a/src/pages/4/index.wxml
+++ b/src/pages/4/index.wxml
@@ -9,3 +9,6 @@
 <image wx:if="{{float1}}" class="float1" mode="widthFix" src="{{imageUrl}}psvt/10.png?t={{Timestamp}}" bind:tap="handleFloat1"></image>
 
 
+<view class="footer" bind:tap="handlePage1">
+  <image class="btn" mode="widthFix" src="{{imageUrl}}psvt/16.png?t={{Timestamp}}"></image>
+</view>