diff --git a/index.js b/index.js
index 57a0a72..af0aee9 100644
--- a/index.js
+++ b/index.js
@@ -7,21 +7,15 @@
 import { uuid, sha1 } from 'crypto.js'
 
 import RedisStore from './lib/redis-store.js'
-import MemStore from './lib/mem-store.js'
 
 // 会话安装包
 export const sessionPackage = {
   name: 'session',
   install() {
     var session = this.get('session')
-
     // 这里只创建session的存储器, 而初始化操作在中间件中进行
-    if (session.type === 'redis') {
-      return new RedisStore(session)
-    } else {
-      return new MemStore(session)
-    }
-  }
+    return new RedisStore(session)
+  },
 }
 
 // 会话中间件
diff --git a/lib/mem-store.js b/lib/mem-store.js
deleted file mode 100644
index 3dec72b..0000000
--- a/lib/mem-store.js
+++ /dev/null
@@ -1,57 +0,0 @@
-/**
- * 内存版会话管理(仅用于测试,数据)
- * @author yutent<yutent.io@gmail.com>
- * @date 2020/09/18 16:35:26
- */
-
-import fs from 'fs'
-
-export default class Session {
-  constructor(opt) {
-    this.store = Object.create(null)
-    this.ttl = opt.ttl
-  }
-
-  start(ssid) {
-    var session = this.store[ssid]
-
-    // 内存版会话管理, 没有设计计划任务来清理过期数据
-    // 需要在初始化时先判断, 过期的自动清除, 没过期的, 直接重新续期
-    if (session) {
-      if (Date.now() > session.__expires__) {
-        this.clear(ssid)
-      }
-    } else {
-      session = this.store[ssid] = {}
-    }
-
-    // 设置session有效期
-    session.__expires__ = Date.now() + this.ttl * 1000
-  }
-
-  // 获取session字段值
-  get(ssid, key) {
-    return key ? this.store[ssid][key] || null : this.store[ssid]
-  }
-
-  // 设置session字段值
-  set(ssid, key, val) {
-    if (typeof key === 'object') {
-      for (let i in key) {
-        this.store[ssid][i] = key[i]
-      }
-    } else {
-      this.store[ssid][key] = val
-    }
-  }
-
-  // 删除单个字段
-  unset(ssid, key) {
-    delete this.store[ssid][key]
-  }
-
-  // 清除个人session
-  clear(ssid) {
-    this.store[ssid] = {}
-  }
-}
diff --git a/package.json b/package.json
index c87a587..cba8bda 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@gm5/session",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "type": "module",
   "description": "会话中间件。",
   "main": "index.js",