diff --git a/errno.go b/errno.go
index 74e37bf..0f5d026 100644
--- a/errno.go
+++ b/errno.go
@@ -70,7 +70,7 @@ var (
 	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"}
+	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"}
 
 	// 审批错误, 前缀是 204