diff --git a/pages/index/index.wxss b/pages/index/index.wxss
index 6518051..6cc7d0d 100644
--- a/pages/index/index.wxss
+++ b/pages/index/index.wxss
@@ -293,7 +293,9 @@
 
 .preset-item {
   flex: 0 0 calc(33.33% - 12rpx);
+  box-sizing: border-box;
   background: var(--bg-soft);
+  border: 2rpx solid transparent;
   border-radius: 16rpx;
   padding: 20rpx 0;
   text-align: center;