diff --git a/.changeset/twelve-cobras-tie.md b/.changeset/twelve-cobras-tie.md
new file mode 100644
index 00000000..116d479d
--- /dev/null
+++ b/.changeset/twelve-cobras-tie.md
@@ -0,0 +1,5 @@
+---
+"openinula": patch
+---
+
+fix: export Action type
diff --git a/packages/inula/src/index.ts b/packages/inula/src/index.ts
index cf452785..c90d454b 100644
--- a/packages/inula/src/index.ts
+++ b/packages/inula/src/index.ts
@@ -57,6 +57,7 @@ import {
   isPortal,
 } from './external/InulaIs';
 import { createStore, useStore, clearStore } from './inulax/store/StoreHandler';
+import type { Action } from './inulax/types';
 import * as reduxAdapter from './inulax/adapters/redux';
 import { watch } from './inulax/proxy/watch';
 import { act } from './external/TestUtil';
@@ -163,6 +164,7 @@ export {
   reduxAdapter,
   watch,
   toRaw,
+  type Action,
   // 兼容ReactIs
   isFragment,
   isElement,
diff --git a/packages/inula/src/inulax/types.ts b/packages/inula/src/inulax/types.ts
index 044d7abb..faeb46a8 100644
--- a/packages/inula/src/inulax/types.ts
+++ b/packages/inula/src/inulax/types.ts
@@ -59,7 +59,7 @@ export type StoreActions<S extends Record<string, unknown>, A extends UserAction
   [K in keyof A]: Action<A[K], S>;
 };
 
-type Action<T extends ActionFunction<any>, S extends Record<string, unknown>> = (
+export type Action<T extends ActionFunction<any>, S extends Record<string, unknown>> = (
   this: StoreObj<S, any, any>,
   ...args: RemoveFirstFromTuple<Parameters<T>>
 ) => ReturnType<T>;