@@ -1,7 +1,7 @@
 import { CommitizenType, prompter, style } from "cz-git";
 import inquirer from "inquirer";
 import { commit } from "./commit";
-import { isGitClean, getGitRootPath, injectEnv } from "../shared";
+import { isGitClean, getGitRootPath, injectEnvFlag, injectEnvValue } from "../shared";
 import type { CzgitParseArgs } from "../shared";
 
 /**
@@ -25,9 +25,10 @@ export const czg = (version: string, argvs: CzgitParseArgs, environment: any = {
           )} ?`
         );
       }
-      injectEnv("break", argvs.czgitArgs.subCommand?.break);
-      injectEnv("emoji", argvs.czgitArgs.subCommand?.emoji);
-      injectEnv("checkbox", argvs.czgitArgs.subCommand?.checkbox);
+      injectEnvFlag("break", argvs.czgitArgs.subCommand?.break);
+      injectEnvFlag("emoji", argvs.czgitArgs.subCommand?.emoji);
+      injectEnvFlag("checkbox", argvs.czgitArgs.subCommand?.checkbox);
+      injectEnvValue("cz_alias", argvs.czgitArgs.flag?.alias);
 
       console.log(`czg@${version}\n`);
       // commit
 
@@ -1,4 +1,12 @@
-export type CzgitFlagList = "config" | "version" | "help" | "reback" | "retry" | "yes" | "hook";
+export type CzgitFlagList =
+  | "config"
+  | "version"
+  | "help"
+  | "reback"
+  | "retry"
+  | "yes"
+  | "hook"
+  | "alias";
 export type CzgitCommonFlag = {
   /** option: --version|-v */
   version?: boolean;
@@ -9,6 +17,8 @@ export type CzgitCommonFlag = {
 export type CzgitFlag = {
   /** option: --config="xxx" */
   config?: string;
+  /** option: --alias="xxx" */
+  alias?: string;
   /** option: --reback|-b */
   reback?: boolean;
   /** option: --retry|-r */
 
@@ -0,0 +1,13 @@
+/**
+ * provide environment flag variable to cz-git
+ */
+export const injectEnvFlag = (key: string, target?: boolean) => {
+  if (target) process.env[key] = "1";
+};
+
+/**
+ * provide environment flag value to cz-git
+ */
+export const injectEnvValue = (key: string, target?: string) => {
+  if (target) process.env[key] = target;
+};
@@ -1,3 +1,4 @@
 export * from "./cache";
+export * from "./env";
 export * from "./git";
 export * from "./parse";
@@ -38,6 +38,17 @@ const resovleFlag = (
   return target;
 };
 
+const resovleAlias = (arg: string, target: CzgitParseArgs) => {
+  if (/^:/.test(arg)) {
+    if (!target.czgitArgs.flag) {
+      target.czgitArgs.flag = { alias: "" };
+    }
+    target.czgitArgs.flag.alias = arg.slice(1);
+    deleteItem(arg, target.gitArgs);
+  }
+  return target;
+};
+
 /**
  * resovle process.argv by minimist
  * @param {ParsedArgs} argv
@@ -62,13 +73,15 @@ export const resovleArgs = (argv: string[]): CzgitParseArgs => {
     gitArgs: argv
   };
 
-  // resolve subcmd
   if (parseArgv._.length !== 0) {
     for (let i = 0; i < parseArgv._.length; i++) {
+      // resolve subcmd
       result = resovleSubCmd(parseArgv._[i], "init", result);
       result = resovleSubCmd(parseArgv._[i], "emoji", result);
       result = resovleSubCmd(parseArgv._[i], "checkbox", result);
       result = resovleSubCmd(parseArgv._[i], "break", result);
+      // resolve alias
+      result = resovleAlias(parseArgv._[i], result);
     }
   }
   // resolve flag
@@ -79,13 +92,7 @@ export const resovleArgs = (argv: string[]): CzgitParseArgs => {
   result = resovleFlag(parseArgv, "version", "version", result);
   result = resovleFlag(parseArgv, "hook", "hook", result);
   result = resovleFlag(parseArgv, "config", "config", result);
+  result = resovleFlag(parseArgv, "alias", "alias", result);
 
   return result;
 };
-
-/**
- * provide environment variable to cz-git
- */
-export const injectEnv = (key: string, target?: boolean) => {
-  if (target) process.env[key] = "1";
-};