diff --git a/index.js b/index.js
index a75bd77..57a0a72 100644
--- a/index.js
+++ b/index.js
@@ -9,8 +9,8 @@ import { uuid, sha1 } from 'crypto.js'
 import RedisStore from './lib/redis-store.js'
 import MemStore from './lib/mem-store.js'
 
-// 会话储存器
-export const sessionStore = {
+// 会话安装包
+export const sessionPackage = {
   name: 'session',
   install() {
     var session = this.get('session')
@@ -25,9 +25,10 @@ export const sessionStore = {
 }
 
 // 会话中间件
-export function sessionWare(req, res, next) {
+export function sessionConnect(req, res, next) {
   var opt = this.get('session')
-  var jwt = this.get('jwt')
+  var cache = req.cookie('NODESSID')
+  var deviceID = ''
   var ssid
 
   // options请求不处理会话
@@ -35,45 +36,35 @@ export function sessionWare(req, res, next) {
     return next()
   }
 
-  // jwt模式的校验不在这里处理
-  if (jwt) {
-    var auth = req.header('authorization')
-    if (auth) {
-      ssid = auth.split('.').pop()
-      this.$$session.start(ssid)
+  // 校验UA
+  if (opt.level & 2) {
+    deviceID += req.header('user-agent')
+  }
+
+  // 校验IP
+  if (opt.level & 4) {
+    deviceID += req.ip()
+  }
+
+  if (deviceID) {
+    deviceID = sha1(deviceID)
+
+    // ssid 最后16位是指纹
+    if (cache) {
+      if (cache.slice(-16) === deviceID.slice(-16)) {
+        ssid = cache
+      } else {
+        ssid = uuid('') + deviceID.slice(-16)
+      }
     }
   } else {
-    var cache = req.cookie('NODESSID')
-    var deviceID = ''
-
-    // 校验UA
-    if (opt.level & 2) {
-      deviceID += req.header('user-agent')
-    }
-
-    // 校验IP
-    if (opt.level & 4) {
-      deviceID += req.ip()
-    }
-
-    if (deviceID) {
-      deviceID = sha1(deviceID)
-
-      // ssid 最后16位是指纹
-      if (cache) {
-        if (cache.slice(-16) === deviceID.slice(-16)) {
-          ssid = cache
-        } else {
-          ssid = uuid('') + deviceID.slice(-16)
-        }
-      }
-    } else {
-      ssid = cache || sha1(uuid())
-    }
-
-    res.cookie('NODESSID', ssid)
-    this.$$session.start(ssid)
+    ssid = cache || sha1(uuid())
   }
 
+  res.cookie('NODESSID', ssid, { maxAge: opt.ttl, domain: opt.domain })
+  // 缓存ssid到req上
+  req.ssid = ssid
+  this.$$session.start(ssid)
+
   next()
 }
diff --git a/lib/mem-store.js b/lib/mem-store.js
index 98b99bc..0dc8f6b 100644
--- a/lib/mem-store.js
+++ b/lib/mem-store.js
@@ -19,16 +19,14 @@ export default class Session {
     this.ttl = opt.ttl
   }
 
-  start(ssid, oldssid) {
+  start(ssid) {
     var session = this.store[ssid]
 
-    this.ssid = 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()
+        this.clear(ssid)
       }
     } else {
       session = this.store[ssid] = {}
@@ -39,28 +37,28 @@ export default class Session {
   }
 
   // 获取session字段值
-  get(key) {
-    return key ? this.store[this.ssid][key] || null : this.store[this.ssid]
+  get(ssid, key) {
+    return key ? this.store[ssid][key] || null : this.store[ssid]
   }
 
   // 设置session字段值
-  set(key, val) {
+  set(ssid, key, val) {
     if (typeof key === 'object') {
       for (let i in key) {
-        this.store[this.ssid][i] = key[i]
+        this.store[ssid][i] = key[i]
       }
     } else {
-      this.store[this.ssid][key] = val
+      this.store[ssid][key] = val
     }
   }
 
   // 删除单个字段
-  unset(key) {
-    delete this.store[this.ssid][key]
+  unset(ssid, key) {
+    delete this.store[ssid][key]
   }
 
   // 清除个人session
-  clear() {
-    this.store[this.ssid] = {}
+  clear(ssid) {
+    this.store[ssid] = {}
   }
 }
diff --git a/lib/redis-store.js b/lib/redis-store.js
index e618ab3..e3e87ab 100644
--- a/lib/redis-store.js
+++ b/lib/redis-store.js
@@ -17,16 +17,15 @@ export default class Session {
   }
 
   start(ssid) {
-    this.ssid = ssid
     // 设置session有效期
     this.store.expire(ssid, this.ttl)
   }
 
   // 获取session字段值, 需要await指令
-  get(key) {
+  get(ssid, key) {
     var defer = Promise.defer()
 
-    this.store.hgetall(this.ssid, (err, obj) => {
+    this.store.hgetall(ssid, (err, obj) => {
       if (err) {
         return defer.reject(err)
       }
@@ -47,23 +46,23 @@ export default class Session {
   }
 
   //设置session字段值
-  set(key, val) {
+  set(ssid, key, val) {
     if (typeof key === 'object') {
       for (let i in key) {
-        this.store.hset(this.ssid, i, key[i])
+        this.store.hset(ssid, i, key[i])
       }
     } else {
-      this.store.hset(this.ssid, key, val)
+      this.store.hset(ssid, key, val)
     }
   }
 
   //删除单个字段
-  unset(key) {
-    this.store.hdel(this.ssid, key)
+  unset(ssid, key) {
+    this.store.hdel(ssid, key)
   }
 
   //清除个人session
-  clear() {
-    this.store.del(this.ssid)
+  clear(ssid) {
+    this.store.del(ssid)
   }
 }