diff --git a/errno.go b/errno.go
index 86bc75f..74e37bf 100644
--- a/errno.go
+++ b/errno.go
@@ -64,12 +64,14 @@ var (
 	ErrTokenNotFound   = &Errno{Code: 20202, Msg: "token 不存在"}
 
 	// 用户错误, 前缀为 203
-	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"}
-	ErrUserReadAuth   = &Errno{Code: 20304, Msg: "无查询权限"}
-	ErrUserWriteAuth  = &Errno{Code: 20305, Msg: "无写入权限"}
-	ErrUserIncomplete = &Errno{Code: 20306, Msg: "用户信息不完善"}
+	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"}
+	ErrUserReadAuth         = &Errno{Code: 20304, Msg: "无查询权限"}
+	ErrUserWriteAuth        = &Errno{Code: 20305, Msg: "无写入权限"}
+	ErrUserIncomplete       = &Errno{Code: 20306, Msg: "用户信息不完善"}
+	ErrUserWechatBound      = &Errno{Code: 20307, Msg: "该用户已绑定微信号"}
+	ErrUserWechatPhoneBound = &Errno{Code: 20308, Msg: "该微信号已绑定手机"}
 
 	// 审批错误, 前缀是 204
 	// 审批节点不存在