diff --git a/README.md b/README.md
index 8a2e2bc..a777442 100644
--- a/README.md
+++ b/README.md
@@ -71,12 +71,14 @@ git config --global alias.alias "config --get-regexp ^alias\."
 # 必須是 Windows 平台才會執行以下設定
 git config --global alias.ignore '!gi() { curl -sL https://www.gitignore.io/api/$@ ;}; gi'
 git config --global alias.iac '!giac() { git init -b main && git add . && git commit -m 'Initial commit' ;}; giac'
+git config --global alias.coc '!gcoc() { git checkout -- . && git clean -df ;}; gcoc'
 git config --global alias.cz '!npx cz'
 git config --global alias.changelog "!conventional-changelog -p angular -i CHANGELOG.md -s"
 
 # 必須是 Linux/macOS 平台才會執行以下設定
 git config --global alias.ignore '!'"gi() { curl -sL https://www.gitignore.io/api/\$@ ;}; gi"
 git config --global alias.iac '!'"giac() { git init -b main && git add . && git commit -m 'Initial commit' ;}; giac"
+git config --global alias.coc '!'"gcoc() { git checkout -- . && git clean -df ;}; gcoc"
 git config --global alias.cz '!'"npx cz"
 git config --global alias.changelog '!'"conventional-changelog -p angular -i CHANGELOG.md -s"
 
diff --git a/bin/index.js b/bin/index.js
index e4c44cd..a49df41 100644
--- a/bin/index.js
+++ b/bin/index.js
@@ -80,6 +80,12 @@ const fs = require('fs');
         await cmd("git config --global alias.iac '!'\"giac() { git init -b main && git add . && git commit -m 'Initial commit' ;}; giac\"");
     }
 
+    if (os === 'win32') {
+        await cmd("git config --global alias.coc \"!gcoc() { git checkout -- . && git clean -df ;}; gcoc\"");
+    } else {
+        await cmd("git config --global alias.coc '!'\"gcoc() { git checkout -- . && git clean -df ;}; gcoc\"");
+    }
+
     if (os === 'win32' && fs.existsSync('C:/PROGRA~1/TortoiseGit/bin/TortoiseGitProc.exe')) {
         await cmd("git config --global alias.tlog \"!start 'C:\\PROGRA~1\\TortoiseGit\\bin\\TortoiseGitProc.exe' /command:log /path:.");
     }
diff --git a/cspell.json b/cspell.json
index bb3d867..6fd174e 100644
--- a/cspell.json
+++ b/cspell.json
@@ -9,6 +9,7 @@
         "Cgreen",
         "Creset",
         "dcommit",
+        "gcoc",
         "giac",
         "leoli",
         "longpaths",