diff --git a/src/usr/bin/amber-pm-desktop-fix b/src/usr/bin/amber-pm-desktop-fix
index 6bbf8a2..b0d80e5 100755
--- a/src/usr/bin/amber-pm-desktop-fix
+++ b/src/usr/bin/amber-pm-desktop-fix
@@ -144,10 +144,3 @@ if ! grep -q "Kylin" /etc/os-release; then
     fi
 fi
 
-# 更新桌面数据库
-if command -v update-desktop-database >/dev/null 2>&1; then
-    echo "正在更新桌面数据库..."
-    update-desktop-database "$TARGET_BASE/applications/"
-else
-    echo "警告: update-desktop-database 命令未找到"
-fi
\ No newline at end of file
diff --git a/src/usr/bin/amber-pm-upgrade-notifier b/src/usr/bin/amber-pm-upgrade-notifier
index 80ee417..158d77b 100755
--- a/src/usr/bin/amber-pm-upgrade-notifier
+++ b/src/usr/bin/amber-pm-upgrade-notifier
@@ -82,6 +82,7 @@ done
 
 # 每日更新星火源文件
 apm autoremove -y
+apm clean
 
 exit
 ###########################################################################