diff --git a/src/event-store.js b/src/event-store.js
index ec05a54..4f00e90 100644
--- a/src/event-store.js
+++ b/src/event-store.js
@@ -101,7 +101,7 @@ class HYEventStore {
       throw new Error("this action name does not exist, please check it")
     }
     const actionFn = this.actions[actionName]
-    actionFn.apply(this, [this.state, ...args])
+   return actionFn.apply(this, [this.state, ...args])
   }
 }