diff --git a/package.json b/package.json
index 428a13c..d412b88 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "yog2-kernel",
-  "version": "1.3.3",
+  "version": "1.4.0",
   "description": "yog2 kernel",
   "main": "index.js",
   "keywords": [
diff --git a/plugins/dispatcher/dispatcher.js b/plugins/dispatcher/dispatcher.js
index b9fc47c..608e219 100644
--- a/plugins/dispatcher/dispatcher.js
+++ b/plugins/dispatcher/dispatcher.js
@@ -247,6 +247,10 @@ module.exports = function (options) {
         router.action = function (actionName) {
             return getAction(routerName, actionName);
         };
+        // support wrap raw async fn
+        router.wrapAsync = function (fn) {
+            return wrapAsyncFunction(fn, true);
+        };
         // load user defined router
         var customRouter = require(routerPath);
         // typescript compliant