diff --git a/src/build.ts b/src/build.ts
index 29cc8ce..9c4b137 100644
--- a/src/build.ts
+++ b/src/build.ts
@@ -29,13 +29,8 @@ type BuildArgs = {
 async function build(args: string[]) {
   let options: BuildArgs;
 
-  if (args.length && ["--help", "-h"].includes(args[0])) {
-    help();
-    return;
-  }
-
   try {
-    // default .
+    // dir - default .
     const dir = args[0].match(/^-/) ? "." : args[0];
     // -m --markdown - default TUTORIAL.md
     const markdown =
diff --git a/src/cli.ts b/src/cli.ts
index d71a956..f4f1f61 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -1,7 +1,7 @@
 import "./utils/logs";
 import build from "./build";
 import create from "./create";
-import help from "./help";
+import { help, create as createHelp, build as buildHelp } from "./help";
 
 export async function cli(rawArgs: string[]): Promise<void> {
   const command: string = rawArgs[2];
@@ -15,10 +15,18 @@ export async function cli(rawArgs: string[]): Promise<void> {
       return;
 
     case "build":
+      if (args.length && ["--help", "-h"].includes(args[0])) {
+        buildHelp();
+        return;
+      }
       build(args);
       break;
 
     case "create":
+      if (args.length && ["--help", "-h"].includes(args[0])) {
+        createHelp();
+        return;
+      }
       create(args);
       break;
 
diff --git a/src/create.ts b/src/create.ts
index ecb91a6..373bdc9 100644
--- a/src/create.ts
+++ b/src/create.ts
@@ -15,14 +15,11 @@ type CreateArgs = {
 async function create(args: string[]): Promise<void> {
   let options: CreateArgs;
 
-  if (args.length && ["--help", "-h"].includes(args[0])) {
-    help();
-    return;
-  }
-
-  // default .
+  // dir - default .
   const dir = !args.length || args[0].match(/^-/) ? "." : args[0];
+  // lang - default js
   const lang = getArg(args, { name: "lang", alias: "l" }) || "js";
+  // testRunner - default mocha
   const testRunner =
     getArg(args, { name: "testRunner", alias: "t" }) || "mocha";
 
diff --git a/src/help.ts b/src/help.ts
index 9b74510..8767247 100644
--- a/src/help.ts
+++ b/src/help.ts
@@ -1,4 +1,4 @@
-export default function help() {
+export function help() {
   console.log(`
 Usage: coderoad [options]