diff --git a/README.md b/README.md
index a678d06..1f65531 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,11 @@
 # lazy
 
+一句话命令：`sh -c "$(wget -qO- cc.c-4.cc/lazy.sh)"`
+
+Gist: https://gist.github.com/Konano/d3236c9546a362438096eab1d380b4c7
+
+----
+
 root 用户请使用 [init_root.sh](./init_root.sh)
 
 有 sudo 权限的普通用户请使用 [init_sudo.sh](./init_sudo.sh)
diff --git a/configure_priv.sh b/configure_priv.sh
index 2c052bd..19f1b19 100755
--- a/configure_priv.sh
+++ b/configure_priv.sh
@@ -61,8 +61,8 @@ configure_install_basic() {
 configure_install_useful() {
     if [ "$(uname)" = "Darwin" ]; then
         [ "$1" != "noupdate" ] && brew update
-        brew install hexyl bat tree p7zip-full
-        brew install hping3 mtr
+        brew install hexyl bat tree p7zip
+        brew install mtr
     else
         [ "$1" != "noupdate" ] && sudo apt-get update
         sudo apt-get install hexyl bat tree fd-find fzf -y
@@ -182,7 +182,13 @@ configure_zsh() {
 
         # 如果 ~/.zshrc 里面没有 source ~/.zsh_user 则添加
         if ! grep -qx "source ~/.zsh_user" ~/.zshrc; then
-            sed -i '$a source ~/.zsh_user' ~/.zshrc
+            if [ "$(uname)" = "Darwin" ]; then
+                # macOS
+                printf "\nsource ~/.zsh_user\n" >> ~/.zshrc
+            else
+                # Linux
+                sed -i '$a source ~/.zsh_user' ~/.zshrc
+            fi
         fi
 
         # 如果 ~/.zshrc 里面没有 conda initialize 则运行 mamba init zsh
@@ -333,6 +339,8 @@ configure_fail2ban() {
 
 configure_iptables() {
     [ $offline -eq 1 ] && return
+    [ "$(uname)" = "Darwin" ] && return
+
     if command_exists ifquery && systemctl is-active --quiet networking; then
         # ifupdown: /etc/network/if-pre-up.d/iptables-load
         [ -f /etc/network/if-pre-up.d/iptables-load ] && return