diff --git a/autodl-initializer.sh b/autodl-initializer.sh
index 5c20450..83635ac 100644
--- a/autodl-initializer.sh
+++ b/autodl-initializer.sh
@@ -25,9 +25,10 @@
 #    Example: 'en_US.UTF-8', 'zh_CN.UTF-8'
 SYSTEM_LOCALE="en_US.UTF-8"
 
-# Set the desired APT mirror URL. Scheme (http/https) is needed.
+# Set the APT mirror URL. Scheme (http/https) is needed.
 #    Example: 'http://mirrors.kernel.org'
-APT_MIRROR="http://mirrors.bfsu.edu.cn"
+# Note: AutoDL instances have default fast mirrors.
+APT_MIRROR=""
 
 APT_SOURCE_FILE="/etc/apt/sources.list"
 APT_SOURCES_LIST_D="/etc/apt/sources.list.d"
@@ -75,85 +76,14 @@ add_hook_function() {
 # }
 # # Add the function to the hook list.
 # add_hook_function my_custom_setup
-turbo_autodl_network() {
-    source /etc/network_turbo
-}
-add_hook_function turbo_autodl_network
-
-# Download helper, pass the URL and Destination as parameter.
-download_file() {
-    local url=$1
-    local output=$2
-
-    if command -v curl &> /dev/null; then
-        curl -sSL -o "$output" "$url" || return 1
-    elif command -v wget &> /dev/null; then
-        wget -qO "$output" "$url" || return 1
-    else
-        echo "Error: Neither curl nor wget found. Install one to proceed." >&2
-        return 1
+disable_conda_auto_base() {
+    local condarc="${HOME}/.condarc"
+    if ! grep -qF "auto_activate_base" $condarc; then
+        echo -e "\nauto_activate_base: false" >> "$condarc"
+        echo "Conda auto base activation is disabled."
     fi
 }
-
-install_uv() {
-    local url="${UV_DOWNLOAD_URL}"
-    local install_path="${UV_INSTALL_PATH}"
-    local shell_type=""
-    local shell_profile=""
-
-    if ! mkdir -p "$install_path"; then
-        echo "Error: failed to create install directory: $install_path" >&2
-        return 1
-    fi
-
-    # curl -sSL "$url" | tar --strip-components=1 -C "$install_path" -xzf -
-    if ! temp_file=$(mktemp); then
-        echo "Error: Failed to create temporary file" >&2
-        return 1
-    fi
-
-    if ! download_file "$url" "$temp_file"; then
-        rm -f "$temp_file"
-        return 1
-    fi
-
-    if ! tar --strip-components=1 -C "$install_path" -xzf "$temp_file"; then
-        echo "Error: Failed to extract archive" >&2
-        rm -f "$temp_file"
-        return 1
-    fi
-    rm -f "$temp_file"
-
-    echo "uv installed to $install_path"
-
-    if [ -n "$BASH_VERSION" ]; then
-        shell_type="bash"
-        shell_profile="${HOME}/.bashrc"
-    elif [ -n "$ZSH_VERSION" ]; then
-        shell_type="zsh"
-        shell_profile="${HOME}/.zshrc"
-    else
-        shell_type="bash"
-        shell_profile="${HOME}/.profile"
-    fi
-
-    # Ensure install path is in PATH
-    if ! echo "$PATH" | grep -q "$install_path"; then
-        echo "Adding $install_path to PATH and Shell..."
-        export PATH="$install_path:$PATH"
-        # Persist for future shells
-        if ! grep -q "$install_path" "$shell_profile" 2>/dev/null; then
-            echo "export PATH=\"$install_path:\$PATH\"" >> "$shell_profile"
-        fi
-    fi
-    
-    echo "Modifying shell profile for uv..."
-    echo "eval \"\$(uv generate-shell-completion ${shell_type})\"" >> "$shell_profile"
-    echo "eval \"\$(uvx --generate-shell-completion ${shell_type})\"" >> "$shell_profile"
-
-    echo "Installation complete. Run 'uv --version' to verify."
-}
-add_hook_function install_uv
+add_hook_function disable_conda_auto_base
 
 
 
@@ -165,16 +95,28 @@ add_hook_function install_uv
 # can make some configuration so you won't need to do it later.
 ###############################################################
 
+# File creation helper to create parent directories automatically.
+#    Example:
+#      write_file "$HOME/my/file.txt" <<EOF
+#      file line 1
+#      file line 2
+#      EOF
+write_file() {
+    local dest="$1"
+    mkdir -p -- "$(dirname -- "$dest")" || return 1
+    cat > "$dest"
+}
+
+write_file "${HOME}/.tmux.conf" <<EOF
 # tmux configuration
-cat << EOF > "${HOME}/.tmux.conf"
 set -g mouse on
 set -g default-terminal "screen-256color"
 EOF
 
-# condarc
-cat << EOF >> "${HOME}/.condarc"
-
-auto_activate_base: false
+write_file "${HOME}/.config/uv/uv.toml" <<EOF
+[[index]]
+url = "https://mirrors.bfsu.edu.cn/pypi/web/simple"
+default = true
 EOF
 
 
@@ -210,6 +152,30 @@ check_root() {
     fi
 }
 
+# Download helper, pass the URL and Destination as parameter.
+download_file() {
+    local url=$1
+    local output=$2
+
+    if command -v curl &> /dev/null; then
+        curl -sSL -o "$output" "$url" || return 1
+    elif command -v wget &> /dev/null; then
+        wget -qO "$output" "$url" || return 1
+    else
+        echo "Error: Neither curl nor wget found. Install one to proceed." >&2
+        return 1
+    fi
+}
+
+# Set AutoDL network turbo to speed up installation.
+turbo_autodl_network() {
+    local turbo_script="/etc/network_turbo"
+    if [[ -f "$turbo_script" ]]; then
+        echo "--- Using AutoDL Network Turbo ---"
+        . "$turbo_script"
+    fi
+}
+
 # Set the system locale.
 set_locale() {
     echo "--- Setting system locale to '$SYSTEM_LOCALE' ---"
@@ -223,7 +189,6 @@ set_locale() {
     # echo "Locale setting complete."
 }
 
-
 # Function to check for required variables and distro
 _check_apt_prerequisites() {
     if [[ -z "$APT_MIRROR" ]]; then
@@ -250,8 +215,8 @@ _get_source_style() {
     if [[ -d "$APT_SOURCES_LIST_D" ]]; then
         # Check if there are any .sources files in the sources.list.d directory
         if find "$APT_SOURCES_LIST_D" -name "*.sources" -print -quit | grep -q '.*'; then
-        echo "deb-822"
-        return
+            echo "deb-822"
+            return
         fi
     fi
     echo "legacy"
@@ -363,6 +328,12 @@ EOF
 # Replace APT mirror main function.
 # Both legacy sources.list and DEB-822 format are suppported.
 replace_apt_mirror() {
+    if [[ -z "$APT_MIRROR" ]]; then
+        echo ">>> Skipping APT mirrors setting up."
+        echo "To set up APT mirrors, set APT_MIRROR."
+        return 1
+    fi
+
     echo "--- Setting up APT mirrors ---"
     _check_apt_prerequisites || return 1
 
@@ -392,31 +363,45 @@ replace_apt_mirror() {
 
     if [[ $? -eq 0 ]]; then
         echo "APT source successfully updated to '$APT_MIRROR'."
-        echo "Running 'apt update' to refresh package lists..."
-        apt update
-        if [[ $? -eq 0 ]]; then
-        echo "APT update completed successfully."
-        else
-        echo "Warning: 'apt update' failed. Please check your network connection and the mirror URL."
-        fi
     else
         echo "APT source replacement failed."
         return 1
     fi
 }
 
+# Run apt update to fetch newest repository index.
+update_apt_list() {
+    echo "-- Refreshing APT package lists ---"
+    apt update
+    if [[ $? -eq 0 ]]; then
+        echo "APT update completed successfully."
+    else
+        echo "Warning: 'apt update' failed. Please check your network connection and the mirror URL."
+        return 1
+    fi
+    return 0
+}
+
 # Install packages.
 install_packages() {
     if [[ -z "$PACKAGES_TO_INSTALL" ]]; then
-        # echo "No packages specified to install. Skipping."
+        echo ">>> Skipping APT packages installation."
+        echo "To install APT packages, set PACKAGES_TO_INSTALL."
         return 0
     fi
+
+    if ! update_apt_list; then
+        echo "!!! Failed to install APT packages."
+        return 1
+    fi
+
     echo "--- Installing packages: $PACKAGES_TO_INSTALL ---"
     # Use 'apt-get install -y' for non-interactive installation
     apt-get install -y $PACKAGES_TO_INSTALL
     echo "--- Package installation complete. ---"
 }
 
+# Add user SSH public key.
 add_ssh_key() {
     # Check if the SSH_PUBLIC_KEY variable is non-empty
     if [[ -n "$SSH_PUBLIC_KEY" ]]; then
@@ -450,6 +435,75 @@ add_ssh_key() {
     fi
 }
 
+# Install uv, a powerful replacement of pip.
+install_uv() {
+    if [[ -z "$UV_DOWNLOAD_URL" || -z "$UV_INSTALL_PATH" ]]; then
+        echo ">>> Skipping uv installation..."
+        echo "To install uv, set UV_DOWNLOAD_URL and UV_INSTALL_PATH."
+        return 1
+    fi
+
+    echo "--- Installing uv ---"
+    local url="${UV_DOWNLOAD_URL}"
+    local install_path="${UV_INSTALL_PATH}"
+    local shell_type=""
+    local shell_profile=""
+
+    if ! mkdir -p "$install_path"; then
+        echo "Error: failed to create install directory: $install_path" >&2
+        return 1
+    fi
+
+    # curl -sSL "$url" | tar --strip-components=1 -C "$install_path" -xzf -
+    if ! temp_file=$(mktemp); then
+        echo "Error: Failed to create temporary file" >&2
+        return 1
+    fi
+
+    if ! download_file "$url" "$temp_file"; then
+        rm -f "$temp_file"
+        return 1
+    fi
+
+    if ! tar --strip-components=1 -C "$install_path" -xzf "$temp_file"; then
+        echo "Error: Failed to extract archive" >&2
+        rm -f "$temp_file"
+        return 1
+    fi
+    rm -f "$temp_file"
+
+    echo "uv installed to $install_path"
+
+    if [ -n "$BASH_VERSION" ]; then
+        shell_type="bash"
+        shell_profile="${HOME}/.bashrc"
+    elif [ -n "$ZSH_VERSION" ]; then
+        shell_type="zsh"
+        shell_profile="${HOME}/.zshrc"
+    else
+        shell_type="bash"
+        shell_profile="${HOME}/.profile"
+    fi
+
+    # Ensure install path is in PATH
+    if ! echo "$PATH" | grep -q "$install_path"; then
+        echo "Adding $install_path to PATH and Shell..."
+        export PATH="$install_path:$PATH"
+        # Persist for future shells
+        if ! grep -q "$install_path" "$shell_profile" 2>/dev/null; then
+            echo "export PATH=\"$install_path:\$PATH\"" >> "$shell_profile"
+        fi
+    fi
+
+    if ! grep -qE "uv(x)?(\s)*(-)*generate-shell-completion" "$shell_profile"; then
+        echo "Adding shell completion for uv to profile..."
+        echo "eval \"\$(uv generate-shell-completion ${shell_type})\"" >> "$shell_profile"
+        echo "eval \"\$(uvx --generate-shell-completion ${shell_type})\"" >> "$shell_profile"
+    fi
+
+    echo "Installation complete. Run 'uv --version' to verify."
+}
+
 # Remove APT caches.
 clean_apt_cache() {
     echo "--- Removing APT caches ---"
@@ -483,6 +537,9 @@ install_packages
 clean_apt_cache
 add_ssh_key
 
+turbo_autodl_network
+install_uv
+
 # Execute the functions in the hook list.
 execute_hooks