diff --git a/build.sh b/build.sh
index 45bd7a2..fac5e4f 100755
--- a/build.sh
+++ b/build.sh
@@ -23,9 +23,10 @@
 generate_thumbnails() {
   echo "generate thumbnails ..."
   mkdir -p thumbnails
+  rm thumbnails/*
   for img in ./wallpapers/*/*; do
     local thumbnail="thumbnails/${img##*/}"
-    convert "$img" -resize 200x200 "$thumbnail"
+    magick "$img" -resize 200x200 "$thumbnail"
   done
 }
 
@@ -81,7 +82,6 @@ maxPerPage=8
 
 declare -a sections
 
-# 生成缩略图
 generate_thumbnails
 
 for subdir in ./wallpapers/*; do
diff --git a/style.css b/style.css
index 9ad3353..86b3481 100644
--- a/style.css
+++ b/style.css
@@ -79,7 +79,7 @@ img {
 }
 
 img:hover {
-  transform: scale(1.5);
+  transform: scale(1.3);
   border: none;
   box-shadow: 5px 4px 10px black;
 }