diff --git a/enum/sys_cfg.go b/enum/sys_cfg.go
index 7f16223..94bfd71 100644
--- a/enum/sys_cfg.go
+++ b/enum/sys_cfg.go
@@ -78,16 +78,28 @@ func (gt AliyunOss) String() string {
 type AlipayConfig string
 
 const (
-	AlipayAppId      = "alipay_app_id"
-	AlipayPrivateKey = "alipay_private_key"
+	AlipayAppId             = "alipay_app_id"
+	AlipayPrivateKey        = "alipay_private_key"
+	AlipayPublicKey         = "alipay_public_key"
+	AlipayPublicContentRSA2 = "alipay_public_content_rsa2"
+	AlipayRootContent       = "alipay_root_content"
+	AppPublicContent        = "alipay_public_content"
 )
 
 func (gt AlipayConfig) String() string {
 	switch gt {
 	case AlipayAppId:
-		return ""
+		return "支付宝商家应用appid"
 	case AlipayPrivateKey:
-		return "oss存储桶名称"
+		return "支付宝商家应用私钥"
+	case AlipayPublicKey:
+		return "支付宝商家应用公钥"
+	case AlipayPublicContentRSA2:
+		return "支付宝公钥证书"
+	case AlipayRootContent:
+		return "支付宝根证书"
+	case AppPublicContent:
+		return "应用公钥证书"
 	default:
 		return "未知"
 	}