diff --git a/plugins/alipay_cpn/internal/alipay_cpn.go b/plugins/alipay_cpn/internal/alipay_cpn.go
index 29a9f11..bad5466 100644
--- a/plugins/alipay_cpn/internal/alipay_cpn.go
+++ b/plugins/alipay_cpn/internal/alipay_cpn.go
@@ -11,6 +11,8 @@ import (
 // 插件通信信息,若不对应则会报错panic
 // https://opendocs.alipay.com/open/282/105997?pathHash=3f0dc947
 // https://www.yuque.com/xv2p76/manual/wpg9cl
+// 数字分行用户账号查询接口
+// https://opendocs.alipay.com/pre-open/9128e8f4_alipay.user.dtbankcust.account.query?pathHash=1118bfe2
 const (
 	Tag         = "alipay_cpn"
 	Version     = 1