update

enum/sys_cfg.go

@@ -120,13 +120,22 @@ func (gt AlipayConfig) String() string {
 type WxConfig string
 
 const (
-	WxAppId = "wx_app_id"
+	WxAppId                      = "wx_app_id"
+	WxMchId                      = "wx_mch_id"
+	WxMchApiV3Key                = "wx_mch_api_v3_key"
+	WxMchCertificateSerialNumber = "wx_mch_certificate_serial_number"
 )
 
 func (gt WxConfig) String() string {
 	switch gt {
 	case WxAppId:
 		return "微信应用appid"
+	case WxMchId:
+		return "微信商户号"
+	case WxMchApiV3Key:
+		return "微信商户证书序列号"
+	case WxMchCertificateSerialNumber:
+		return "微信商户APIv3密钥"
 	default:
 		return "未知"
 	}