diff --git a/errno.go b/errno.go
index 8a146d2..e2ff848 100644
--- a/errno.go
+++ b/errno.go
@@ -64,6 +64,7 @@ var (
 	ErrTokenNotFound   = &Errno{Code: 20202, Msg: "token 不存在"}
 
 	// 用户错误, 前缀为 203
+	ErrUserNotLogin         = &Errno{Code: 20300, Msg: "请登录"}
 	ErrUserNotFound         = &Errno{Code: 20301, Msg: "用户没找到"}
 	ErrUserPassword         = &Errno{Code: 20302, Msg: "用户名或密码错误"}
 	ErrUserAuth             = &Errno{Code: 20303, Msg: "无权限"}
diff --git a/user.go b/user.go
index 6d3f3e0..f2b8fae 100644
--- a/user.go
+++ b/user.go
@@ -17,6 +17,8 @@ type User interface {
 	HasUserRoles(roles ...string) bool
 	// 平台
 	Platform() string
+	// 是否匿名用户
+	IsAnonymous() bool
 }
 
 // 用户