diff --git a/AsyncFunction.md b/AsyncFunction.md
index 50281a1..a165f10 100644
--- a/AsyncFunction.md
+++ b/AsyncFunction.md
@@ -25,7 +25,7 @@ exports.main = main;
 ```js
 var STD = require("lib/std");
 
-function main(args) {
+function onShoutcut(args) {
     [5, 4, 3, 2, 1].forEach(function(x) {
         new AsyncFunction('sub_01', 'mymodule').run(x);
     });
@@ -38,6 +38,13 @@ function _async_sub_01(args) {
     console.log(x);
 }
 
+function main(args) {
+    if (!AsyncFunction.bind(exports, args) {
+        onShoutcut(args);
+    }
+}
+
 exports.main = main;
+exprts.onShoutcut = onShoutcut;
 exports._async_sub_01 = _async_sub_01;
 ```
\ No newline at end of file