diff --git a/model/userToken.go b/model/userToken.go
index f80c4f0..a359eef 100644
--- a/model/userToken.go
+++ b/model/userToken.go
@@ -2,9 +2,10 @@ package model
 
 type UserToken struct {
 	IdModel
-	UserId    uint   `json:"user_id" gorm:"default:0;not null;index"`
-	Token     string `json:"token" gorm:"default:'';not null;index"`
-	ExpiredAt int64  `json:"expired_at" gorm:"default:0;not null;"`
+	UserId    	uint   `json:"user_id" gorm:"default:0;not null;index"`
+	DeviceUuid 	string `json:"device_uuid"`
+	Token     	string `json:"token" gorm:"default:'';not null;index"`
+	ExpiredAt 	int64  `json:"expired_at" gorm:"default:0;not null;"`
 	TimeModel
 }
 
diff --git a/service/peer.go b/service/peer.go
index 483e128..d64eb99 100644
--- a/service/peer.go
+++ b/service/peer.go
@@ -26,6 +26,13 @@ func (ps *PeerService) InfoByRowId(id uint) *model.Peer {
 	return p
 }
 
+// FindByUserIdAndUuid 根据用户id和uuid查找peer
+func (ps *PeerService) FindByUserIdAndUuid(uuid string,userId uint) *model.Peer {
+	p := &model.Peer{}
+	global.DB.Where("uuid = ? and user_id = ?", uuid, userId).First(p)
+	return p
+}
+
 // UuidBindUserId 绑定用户id
 func (ps *PeerService) UuidBindUserId(uuid string, userId uint) {
 	peer := ps.FindByUuid(uuid)
@@ -35,6 +42,14 @@ func (ps *PeerService) UuidBindUserId(uuid string, userId uint) {
 	}
 }
 
+// UuidUnbindUserId 解绑用户id, 用于用户注销
+func (ps *PeerService) UuidUnbindUserId(uuid string, userId uint) {
+	peer := ps.FindByUserIdAndUuid(uuid, userId)
+	if peer.RowId > 0 {
+		global.DB.Model(peer).Update("user_id", 0)
+	}
+}
+
 // ListByUserIds 根据用户id取列表
 func (ps *PeerService) ListByUserIds(userIds []uint, page, pageSize uint) (res *model.PeerList) {
 	res = &model.PeerList{}
diff --git a/service/user.go b/service/user.go
index 5e50af5..c7f29ce 100644
--- a/service/user.go
+++ b/service/user.go
@@ -73,9 +73,10 @@ func (us *UserService) GenerateToken(u *model.User) string {
 func (us *UserService) Login(u *model.User, llog *model.LoginLog) *model.UserToken {
 	token := us.GenerateToken(u)
 	ut := &model.UserToken{
-		UserId:    u.Id,
-		Token:     token,
-		ExpiredAt: time.Now().Add(time.Hour * 24 * 7).Unix(),
+		UserId:    	u.Id,
+		Token:     	token,
+		DeviceUuid: llog.Uuid,
+		ExpiredAt: 	time.Now().Add(time.Hour * 24 * 7).Unix(),
 	}
 	global.DB.Create(ut)
 	llog.UserTokenId = ut.UserId
@@ -153,9 +154,27 @@ func (us *UserService) Create(u *model.User) error {
 	return res
 }
 
-// Logout 退出登录
+// GetUuidByToken 根据token和user取uuid
+func (us *UserService) GetUuidByToken(u *model.User, token string) string {
+	ut := &model.UserToken{}
+	err :=global.DB.Where("user_id = ? and token = ?", u.Id, token).First(ut).Error
+	if err != nil {
+		return ""
+	}
+	return ut.DeviceUuid
+}
+
+// Logout 退出登录 -> 删除token, 解绑uuid
 func (us *UserService) Logout(u *model.User, token string) error {
-	return global.DB.Where("user_id = ? and token = ?", u.Id, token).Delete(&model.UserToken{}).Error
+	uuid := us.GetUuidByToken(u, token)
+	err := global.DB.Where("user_id = ? and token = ?", u.Id, token).Delete(&model.UserToken{}).Error
+	if err != nil {
+		return err
+	}
+	if uuid != "" {
+		AllService.PeerService.UuidUnbindUserId(uuid, u.Id)
+	}
+	return nil
 }
 
 // Delete 删除用户和oauth信息