diff --git a/configure_priv.sh b/configure_priv.sh
index e3dd908..65d72cb 100755
--- a/configure_priv.sh
+++ b/configure_priv.sh
@@ -484,12 +484,19 @@ configure_git_gpg() {
     [ -n "$(git config --global user.signingkey)" ] && return
 
     if confirm_action "要配置 git 使用 gpg 签名吗？" "N"; then
-        if ! command_exists 7za; then
-            sudo apt install p7zip-full -y
+        if [ "$(uname)" = "Darwin" ]; then
+            if ! command_exists 7z; then
+                brew install p7zip
+            fi
+        else
+            if ! command_exists 7za; then
+                sudo apt install p7zip-full -y
+                alias 7z=7za
+            fi
         fi
         read_password
         cp $scriptdir/files/git.key.zip $tempdir/git.key.zip
-        7za x -p$password $tempdir/git.key.zip -o$tempdir > /dev/null 2>&1
+        7z x -p$password $tempdir/git.key.zip -o$tempdir > /dev/null 2>&1
         rm $tempdir/git.key.zip
         if [ ! -s $tempdir/git.key ]; then
             echo "Wrong password!"