diff --git a/shell/diy.sh b/shell/diy.sh
index 3e7a60c..9584162 100644
--- a/shell/diy.sh
+++ b/shell/diy.sh
@@ -168,14 +168,6 @@ install_virtualbox_extpack() {
 # 格式转换
 convert_vm_format() {
     echo "虚拟机一键格式转换(img2vdi)"
-    sudo apt-get update >/dev/null 2>&1
-    if ! command -v pv &>/dev/null; then
-        echo "pv is not installed. Installing pv..."
-        sudo apt-get install pv -y || true
-    else
-        echo -e
-    fi
-
     # 获取用户输入的文件路径
     read -p "请将待转换的文件拖拽到此处(img|img.zip|img.gz): " file_path
 
@@ -214,7 +206,7 @@ convert_vm_format() {
     elif [[ "$file_path" == *.img.gz ]]; then
         # 如果是 img.gz 文件，先解压
         Show 0 "正在解压 img.gz 文件..."
-        pv "$file_path" | gunzip -c >"${file_path%.*}" || true
+        gzip -cd "$file_path" > "${file_path%.*}" || true
         img_file="${file_path%.*}"
 
         # 执行转换命令