diff --git a/src/mod.ts b/src/mod.ts
index 0151af0..001fa58 100644
--- a/src/mod.ts
+++ b/src/mod.ts
@@ -3,3 +3,6 @@ export * from "./stores/redis.ts";
 export * from "./stores/kv.ts";
 export * from "./stores/interface.ts";
 export * from "./session.ts";
+export * from "./plugins/cookie_session_plugin.ts";
+export * from "./plugins/redis_session_plugin.ts";
+export * from "./plugins/kv_session_plugin.ts";
diff --git a/src/plugins/cookie_session_plugin.ts b/src/plugins/cookie_session_plugin.ts
index 5aef28e..9ea7a81 100644
--- a/src/plugins/cookie_session_plugin.ts
+++ b/src/plugins/cookie_session_plugin.ts
@@ -5,8 +5,7 @@ import type {
 } from "../deps.ts";
 import { cookieSession } from "../stores/cookie.ts";
 import { CookieOptions } from "../stores/cookie_option.ts";
-
-export type sessionModule =(req: Request, ctx: MiddlewareHandlerContext) => Promise<Response>
+import { sessionModule } from "../stores/interface.ts";
 
 export function getCookieSessionHandler(session: sessionModule, excludePath: string[]): MiddlewareHandler {
   return function (req: Request, ctx: MiddlewareHandlerContext) {
diff --git a/src/plugins/kv_session_plugin.ts b/src/plugins/kv_session_plugin.ts
index a210581..8a6b9d7 100644
--- a/src/plugins/kv_session_plugin.ts
+++ b/src/plugins/kv_session_plugin.ts
@@ -5,8 +5,7 @@ import type {
 } from "../deps.ts";
 import { kvSession } from "../stores/kv.ts";
 import { CookieOptions } from "../stores/cookie_option.ts";
-
-export type sessionModule =(req: Request, ctx: MiddlewareHandlerContext) => Promise<Response>
+import { sessionModule } from "../stores/interface.ts";
 
 export function getKvSessionHandler(session: sessionModule, excludePath: string[]): MiddlewareHandler {
   return function (req: Request, ctx: MiddlewareHandlerContext) {
diff --git a/src/plugins/redis_session_plugin.ts b/src/plugins/redis_session_plugin.ts
index 0a67bd1..12bdde5 100644
--- a/src/plugins/redis_session_plugin.ts
+++ b/src/plugins/redis_session_plugin.ts
@@ -5,8 +5,7 @@ import type {
 } from "../deps.ts";
 import { Store, redisSession } from "../stores/redis.ts";
 import { CookieOptions } from "../stores/cookie_option.ts";
-
-export type sessionModule =(req: Request, ctx: MiddlewareHandlerContext) => Promise<Response>
+import { sessionModule } from "../stores/interface.ts";
 
 export function getRedisSessionHandler(session: sessionModule, excludePath: string[]): MiddlewareHandler {
   return function (req: Request, ctx: MiddlewareHandlerContext) {
diff --git a/src/stores/interface.ts b/src/stores/interface.ts
index bffafb9..290c083 100644
--- a/src/stores/interface.ts
+++ b/src/stores/interface.ts
@@ -1,4 +1,7 @@
+import { MiddlewareHandlerContext } from "../deps.ts";
 import { Session } from "../session.ts";
 export type WithSession = {
   session: Session;
 };
+
+export type sessionModule =(req: Request, ctx: MiddlewareHandlerContext) => Promise<Response>