fix wechatpay

app/main/api/internal/service/wechatpayService.go

@@ -119,7 +119,7 @@ func newWechatPayServiceWithWxPayPubKey(c config.Config, userAuthModel model.Use
 		panic(fmt.Sprintf("初始化失败，服务停止: %v", err))
 	}
 
-	// 从文件中加载微信支付平台证书
+	// 从文件中加载支付公钥
 	mchPublicKey, err := utils.LoadPublicKeyWithPath(mchPublicKeyPath)
 	if err != nil {
 		logx.Errorf("加载微信支付平台证书失败: %v", err)
@@ -136,11 +136,9 @@ func newWechatPayServiceWithWxPayPubKey(c config.Config, userAuthModel model.Use
 		panic(fmt.Sprintf("初始化失败，服务停止: %v", err))
 	}
 
-	// 初始化 notify.Handler
-	certificateVisitor := downloader.MgrInstance().GetCertificateVisitor(mchID)
 	notifyHandler := notify.NewNotifyHandler(
 		mchAPIv3Key,
-		verifiers.NewSHA256WithRSACombinedVerifier(certificateVisitor, mchPublicKeyID, *mchPublicKey))
+		verifiers.NewSHA256WithRSAPubkeyVerifier(mchPublicKeyID, *mchPublicKey))
 
 	logx.Infof("微信支付客户端初始化成功(微信支付公钥方式)")
 	return &WechatPayService{