diff --git a/README.md b/README.md
index 60b9187..8264cbd 100644
--- a/README.md
+++ b/README.md
@@ -68,9 +68,10 @@ bash /tmp/install-niri.sh --config-only
 - Rust 工具链隔离在 `~/.local/share/niri-beyond-glass`
 - 配置安装后使用 `niri validate` 校验
 
-备份位于：
+首次安装前的原配置和更新快照位于：
 
 ```text
+~/.local/state/niri-beyond-glass/original/
 ~/.local/state/niri-beyond-glass/backups/
 ```
 
diff --git a/config/niri/config.kdl b/config/niri/config.kdl
index 3bf38ed..05aec85 100644
--- a/config/niri/config.kdl
+++ b/config/niri/config.kdl
@@ -27,8 +27,6 @@ environment {
 
 spawn-at-startup "xwayland-satellite"
 spawn-at-startup "sh" "-lc" "$HOME/.local/bin/niri-beyond-wallpaper"
-spawn-at-startup "waybar"
-spawn-at-startup "mako"
 spawn-at-startup "/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1"
 spawn-at-startup "swayidle" "-w" "timeout" "600" "swaylock -f" "timeout" "660" "niri msg action power-off-monitors" "resume" "niri msg action power-on-monitors" "before-sleep" "swaylock -f"
 
diff --git a/config/waybar/config.jsonc b/config/waybar/config.jsonc
index 6851535..722dbc0 100644
--- a/config/waybar/config.jsonc
+++ b/config/waybar/config.jsonc
@@ -8,7 +8,7 @@
   "margin-right": 8,
   "modules-left": ["custom/launcher"],
   "modules-center": [],
-  "modules-right": ["tray", "network", "pulseaudio", "battery", "clock", "custom/lock", "custom/power"],
+  "modules-right": ["tray", "network", "pulseaudio", "battery", "custom/lock", "custom/power", "clock"],
   "custom/launcher": {
     "format": "  \uf141  ",
     "tooltip": false,
diff --git a/install.sh b/install.sh
index 0127c65..8fe3454 100755
--- a/install.sh
+++ b/install.sh
@@ -46,7 +46,9 @@ run() {
 }
 
 cleanup() {
-    [[ -n "$tmp_dir" && -d "$tmp_dir" ]] && rm -rf "$tmp_dir"
+    if [[ -n "$tmp_dir" && -d "$tmp_dir" ]]; then
+        rm -rf "$tmp_dir"
+    fi
 }
 trap cleanup EXIT
 
@@ -117,7 +119,7 @@ install_packages() {
     run sudo apt-get update
     run sudo env DEBIAN_FRONTEND=noninteractive apt-get install -y \
         build-essential clang git curl ca-certificates pkg-config \
-        meson ninja-build cmake \
+        meson ninja-build cmake hwdata \
         libudev-dev libgbm-dev libxkbcommon-dev libegl1-mesa-dev \
         libwayland-dev libinput-dev libdbus-1-dev libsystemd-dev \
         libseat-dev libpipewire-0.3-dev libpango1.0-dev \
@@ -142,12 +144,20 @@ install_rust() {
             printf '+ curl https://sh.rustup.rs | sh -s -- -y --no-modify-path --profile minimal --default-toolchain %q\n' "$RUST_TOOLCHAIN"
             return
         fi
-        curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs |
-            sh -s -- -y --no-modify-path --profile minimal --default-toolchain "$RUST_TOOLCHAIN"
-    else
-        run "$CARGO_HOME/bin/rustup" toolchain install "$RUST_TOOLCHAIN" --profile minimal
-        run "$CARGO_HOME/bin/rustup" default "$RUST_TOOLCHAIN"
+        local rustup_installer
+        rustup_installer="$(mktemp)"
+        curl --proto '=https' --tlsv1.2 -fsSL --retry 5 --retry-all-errors \
+            https://sh.rustup.rs -o "$rustup_installer"
+        RUSTUP_MAX_RETRIES=5 sh "$rustup_installer" -y --no-modify-path \
+            --profile minimal --default-toolchain "$RUST_TOOLCHAIN"
+        rm -f "$rustup_installer"
+    elif ! "$CARGO_HOME/bin/rustup" run "$RUST_TOOLCHAIN" rustc --version >/dev/null 2>&1; then
+        RUSTUP_MAX_RETRIES=5 run "$CARGO_HOME/bin/rustup" toolchain install \
+            "$RUST_TOOLCHAIN" --profile minimal
     fi
+
+    run "$CARGO_HOME/bin/rustup" set auto-self-update disable
+    run "$CARGO_HOME/bin/rustup" default "$RUST_TOOLCHAIN"
 }
 
 version_ge() {
@@ -229,6 +239,7 @@ backup_and_install_config() {
     local stamp
     stamp="$(date +%Y%m%d-%H%M%S)"
     local backup="$state_home/$PROJECT/backups/$stamp/config"
+    local original="$state_home/$PROJECT/original"
     local names=(niri waybar fuzzel mako swaylock niri-beyond-glass)
 
     log "备份并安装用户配置"
@@ -240,6 +251,16 @@ backup_and_install_config() {
         fi
     done
 
+    if [[ ! -e "$original/.captured" ]]; then
+        run mkdir -p "$original/config"
+        for name in "${names[@]}"; do
+            if [[ -e "$config_home/$name" ]]; then
+                run cp -a "$config_home/$name" "$original/config/$name"
+            fi
+        done
+        run touch "$original/.captured"
+    fi
+
     run mkdir -p \
         "$config_home/niri" \
         "$config_home/waybar" \
diff --git a/uninstall.sh b/uninstall.sh
index bda260c..c06ce6c 100755
--- a/uninstall.sh
+++ b/uninstall.sh
@@ -4,9 +4,12 @@ set -euo pipefail
 config_home="${XDG_CONFIG_HOME:-$HOME/.config}"
 state_home="${XDG_STATE_HOME:-$HOME/.local/state}"
 backup_root="$state_home/niri-beyond-glass/backups"
+original_root="$state_home/niri-beyond-glass/original"
 latest=""
 
-if [[ -d "$backup_root" ]]; then
+if [[ -e "$original_root/.captured" ]]; then
+    latest="$original_root"
+elif [[ -d "$backup_root" ]]; then
     latest="$(find "$backup_root" -mindepth 1 -maxdepth 1 -type d -printf '%p\n' | sort | tail -n 1)"
 fi