diff --git a/errno.go b/errno.go
index 0f5d026..8a146d2 100644
--- a/errno.go
+++ b/errno.go
@@ -72,6 +72,7 @@ var (
 	ErrUserIncomplete       = &Errno{Code: 20306, Msg: "用户信息不完善"}
 	ErrUserWechatBound      = &Errno{Code: 20307, Msg: "微信号绑定失败"}
 	ErrUserWechatPhoneBound = &Errno{Code: 20308, Msg: "该微信号已绑定手机"}
+	ErrUserWechatRegister   = &Errno{Code: 20309, Msg: "通过微信注册失败"}
 
 	// 审批错误, 前缀是 204
 	// 审批节点不存在