diff --git a/bin/install.sh b/bin/install.sh
index fccc519..ebba485 100644
--- a/bin/install.sh
+++ b/bin/install.sh
@@ -97,12 +97,20 @@ update_sources_list() {
   if [ "$debian_mirror_in_use" != "$DEBIAN_MIRROR" ]; then
     sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
     {
+    if [ "$version" = "bookworm" ]; then
       echo "deb $DEBIAN_MIRROR $version main contrib non-free non-free-firmware"
       echo "# deb-src $DEBIAN_MIRROR $version main contrib non-free non-free-firmware"
       echo "deb $DEBIAN_MIRROR $version-updates main contrib non-free non-free-firmware"
       echo "# deb-src $DEBIAN_MIRROR $version-updates main contrib non-free non-free-firmware"
       echo "deb $DEBIAN_SECURITY_MIRROR $version-security bookworm-security main contrib non-free non-free-firmware"
       echo "# deb-src $DEBIAN_SECURITY_MIRROR $version-security bookworm-security main contrib non-free non-free-firmware"
+    else
+      echo "deb $DEBIAN_MIRROR $version main contrib non-free"
+      echo "# deb-src $DEBIAN_MIRROR $version main contrib non-free"
+      echo "deb $DEBIAN_MIRROR $version-updates main contrib non-free"
+      echo "# deb-src $DEBIAN_MIRROR $version-updates main contrib non-free"
+      echo "deb $DEBIAN_SECURITY_MIRROR $version-security bookworm-security main contrib non-free"
+      echo "# deb-src $DEBIAN_SECURITY_MIRROR $version-security bookworm-security main contrib non-free"
     } | sudo tee /etc/apt/sources.list > /dev/null
   else
     echo "Debian 源链接已更新，跳过替换" >&2