diff --git a/.zshrc b/.zshrc
index f60be2b..3e782db 100644
--- a/.zshrc
+++ b/.zshrc
@@ -117,5 +117,10 @@ export PATH="$HOME/.yarn/bin:$HOME/.config/yarn/global/node_modules/.bin:$PATH"
 export PATH="/usr/local/sbin:$PATH"
 # add nvim
 export PATH=$PATH:/usr/local/nvim/bin:/usr/local/osx-64/nvim/bin
+
+# for terminal notify
 # https://github.com/julienXX/terminal-notifier
 alias alert='terminal-notifier -title "Terminal" -message "Done with task! Exit status: $?"' -activate com.apple.Terminal
+
+# git
+alias gitb="git branch --show-current | tr -d '\n' | pbcopy"
diff --git a/setup.py b/setup.py
index 7921271..9e749d1 100755
--- a/setup.py
+++ b/setup.py
@@ -1,10 +1,10 @@
 #!/usr/bin/env python3
 import subprocess
-import urllib.request
 import os
 import argparse
 
 home_dir = os.getenv("HOME")
+dotfile_dir = home_dir+"/.dotfile"
 
 
 def main():
@@ -12,79 +12,7 @@ def main():
     parser.add_argument("-i", "--init", help="init tools", type=str)
     args = parser.parse_args()
     installer = Installer()
-    installer.install(args.init)
-
-
-class Base(object):
-    def cmd_exist(self, name):
-        from shutil import which
-        return which(name) is not None
-
-    def check_link(self, name: str, target: str):
-        if os.path.islink(name):
-            t = os.readlink(name)
-            if t == target:
-                return
-        os.system("mv %s %s.bak" % (name, name))
-        os.system("ln -s %s %s" % (target, name))
-
-
-class Installer(Base):
-    def install(self, val: str):
-        if val == "":
-            print("install value is empty")
-            exit()
-
-        install_map = {
-            "brew": self.install_brew,
-            "neovim": self.install_neovim,
-            "z": self.install_z,
-            "git": self.install_git,
-            "go": self.install_go,
-            "tmux": self.init_tmux,
-        }
-        if val in install_map:
-            install_map.get(val)()
-        else:
-            print("cmd not support, install: "+val)
-
-    # install neovim
-    def install_neovim(self):
-        if not self.cmd_exist("nvim"):
-            os.chdir("/usr/local")
-            os.system(
-                "wget https://github.com/neovim/neovim/releases/download/v0.6.0/nvim-macos.tar.gz")
-            os.system("tar zxf nvim-macos.tar.gz")
-            os.system("ln -s /usr/local/nvim-osx64 /usr/local/nvim")
-        self.check_link(home_dir+"/.config/nvim", home_dir+"/.doftile/nvim")
-
-    def install_z(self):
-        if not os.path.exists("/usr/local/z.lua"):
-            run("git clone --depth=1 https://github.com/skywind3000/z.lua.git /usr/local/z.lua")
-
-    def install_git(self):
-        if not self.cmd_exist("git"):
-            print("git is not exist")
-        self.check_link(home_dir+"/.gitconfig",  home_dir +
-                        "/.dotfile/git/.gitconfig")
-
-    def install_go(self):
-        cwd = os.getcwd()
-        os.chdir("/usr/local")
-        if os.path.exists("/usr/local/opt/go/libexec"):
-            run("sudo mv go go_old")
-            run("sudo ln -s /usr/local/opt/go/libexec /usr/local/go")
-        os.chdir(cwd)
-        run("go install golang.org/x/tools/gopls@latest")
-
-    def install_brew(self):
-        run("/bin/bash -c \"$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)\"")
-
-    def init_tmux(self):
-        self.check_link(home_dir+"/.tmux.conf",
-                        home_dir+"/.dotfile/.tmux.conf")
-        if not os.path.exists(home_dir+"/.tmux/plugins/tmux-resurrect"):
-            run("git clone --depth=1 https://github.com/tmux-plugins/tmux-resurrect %s/.tmux/plugins/tmux-resurrect" % (home_dir))
+    installer.doInit(args.init)
 
 
 class Base(object):
@@ -98,8 +26,69 @@ class Base(object):
             if t == target:
                 print("path is right: %s" % name)
                 return
-        os.system("mv %s %s.bak" % (name, name))
-        os.system("ln -s %s %s" % (target, name))
+        if os.path.exists(name):
+            run("mv %s %s.bak" % (name, name))
+        run("ln -s %s %s" % (target, name))
+
+    def brew_install(self, name: str):
+        if not self.cmd_exist(name):
+            run("brew install "+name)
+
+
+class Installer(Base):
+    def doInit(self, val: str):
+        if val == "":
+            print("install value is empty")
+            exit()
+
+        install_map = {
+            "brew": self.install_brew,
+            "neovim": self.install_neovim,
+            "nvim": self.install_neovim,
+            "z": self.install_z,
+            "git": self.install_git,
+            "go": self.install_go,
+            "tmux": self.init_tmux,
+        }
+        if val in install_map:
+            install_map.get(val)()
+        else:
+            print("cmd not support, install: "+val)
+
+    # install neovim
+    def install_neovim(self):
+        self.brew_install("neovim")
+        self.check_link(home_dir+"/.config/nvim", dotfile_dir+"/nvim")
+
+    def install_z(self):
+        if not os.path.exists("/usr/local/z.lua"):
+            run("git clone --depth=1 https://github.com/skywind3000/z.lua.git /usr/local/z.lua")
+
+    def install_git(self):
+        self.brew_install("git")
+        self.check_link(home_dir+"/.gitconfig",  home_dir +
+                        "/.dotfile/git/.gitconfig")
+
+    def install_go(self):
+        self.brew_install("go")
+        cwd = os.getcwd()
+        os.chdir("/usr/local")
+        if os.path.exists("/usr/local/opt/go/libexec"):
+            run("sudo mv go go_old")
+            run("sudo ln -s /usr/local/opt/go/libexec /usr/local/go")
+        os.chdir(cwd)
+        self.brew_install("gopls")
+        self.brew_install("golanglint-ci")
+
+    def install_brew(self):
+        run("/bin/bash -c \"$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)\"")
+
+    def init_tmux(self):
+        self.brew_install("git")
+        self.check_link(home_dir+"/.tmux.conf",
+                        home_dir+"/.dotfile/.tmux.conf")
+        if not os.path.exists(home_dir+"/.tmux/plugins/tmux-resurrect"):
+            run("git clone --depth=1 https://github.com/tmux-plugins/tmux-resurrect %s/.tmux/plugins/tmux-resurrect" % (home_dir))
 
 
 def run(cmd: str):