diff --git a/images/1.png b/images/1.png
new file mode 100644
index 0000000..469ddfb
Binary files /dev/null and b/images/1.png differ
diff --git a/images/2.png b/images/2.png
new file mode 100644
index 0000000..0c6e207
Binary files /dev/null and b/images/2.png differ
diff --git a/images/轮播图1.jpg b/images/轮播图1.jpg
deleted file mode 100644
index 92bf382..0000000
Binary files a/images/轮播图1.jpg and /dev/null differ
diff --git a/images/轮播图2.jpg b/images/轮播图2.jpg
deleted file mode 100644
index 92bf382..0000000
Binary files a/images/轮播图2.jpg and /dev/null differ
diff --git a/pages/index/index.wxml b/pages/index/index.wxml
index dd8a8c0..4c3b960 100644
--- a/pages/index/index.wxml
+++ b/pages/index/index.wxml
@@ -162,7 +162,7 @@
               <view class="ad-card ad-full-card">
                 <image 
                   class="ad-image" 
-                  src="/images/轮播图1.jpg" 
+                  src="/images/1.png" 
                   mode="aspectFill"
                   bindtap="onAdClick"
                   data-ad="ad_slot_1"
@@ -224,7 +224,7 @@
               <view class="ad-card ad-half-image">
                 <image 
                   class="ad-image-half" 
-                  src="/images/轮播图1.jpg" 
+                  src="/images/2.png" 
                   mode="aspectFill"
                   bindtap="onAdClick"
                   data-ad="ad_slot_2"
diff --git a/pages/index/index.wxss b/pages/index/index.wxss
index 8b44473..a796a6d 100644
--- a/pages/index/index.wxss
+++ b/pages/index/index.wxss
@@ -1559,14 +1559,13 @@ wx-button:not([size=mini]) {
   position: fixed;
   right: 24rpx;
   bottom: 180rpx;
-  width: 96rpx;
-  height: 96rpx;
+  width: 60rpx;
+  height: 60rpx;
   background: rgba(255, 255, 255, 0.25);
   backdrop-filter: blur(16rpx);
   -webkit-backdrop-filter: blur(16rpx);
   border-radius: 50%;
   display: flex;
-  flex-direction: column;
   justify-content: center;
   align-items: center;
   box-shadow: 0 6rpx 20rpx rgba(0, 0, 0, 0.15);