diff --git a/app/main/api/etc/main.dev.yaml b/app/main/api/etc/main.dev.yaml
index b12b6f1..e5b0143 100644
--- a/app/main/api/etc/main.dev.yaml
+++ b/app/main/api/etc/main.dev.yaml
@@ -47,6 +47,7 @@ Wxpay:
     MchPrivateKeyPath: "etc/merchant/apiclient_key.pem"
     MchPublicKeyID: "PUB_KEY_ID_0116826351362025060900382267001601"
     MchPublicKeyPath: "etc/merchant/pub_key.pem"
+    MchPlatformRAS: "1FFEC3F62E31885FAB4C91ADCB8D7557E9488781"
     NotifyUrl: "https://6m4685017o.goho.co/api/v1/pay/wechat/callback"
     RefundNotifyUrl: "https://6m4685017o.goho.co/api/v1/wechat/refund_callback"
 Applepay:
diff --git a/app/main/api/etc/main.yaml b/app/main/api/etc/main.yaml
index e0dca16..15157e7 100644
--- a/app/main/api/etc/main.yaml
+++ b/app/main/api/etc/main.yaml
@@ -48,6 +48,7 @@ Wxpay:
     MchPrivateKeyPath: "etc/merchant/apiclient_key.pem"
     MchPublicKeyID: "PUB_KEY_ID_0116826351362025060900382267001601"
     MchPublicKeyPath: "etc/merchant/pub_key.pem"
+    MchPlatformRAS: "1FFEC3F62E31885FAB4C91ADCB8D7557E9488781"
     NotifyUrl: "https://www.quannengcha.com/api/v1/pay/wechat/callback"
     RefundNotifyUrl: "https://www.quannengcha.com/api/v1/wechat/refund_callback"
 Applepay:
diff --git a/app/main/api/internal/config/config.go b/app/main/api/internal/config/config.go
index c0692cb..2cc6ef2 100644
--- a/app/main/api/internal/config/config.go
+++ b/app/main/api/internal/config/config.go
@@ -63,6 +63,7 @@ type WxpayConfig struct {
 	MchPrivateKeyPath          string
 	MchPublicKeyID             string
 	MchPublicKeyPath           string
+	MchPlatformRAS             string
 	NotifyUrl                  string
 	RefundNotifyUrl            string
 }
diff --git a/app/main/api/internal/service/wechatpayService.go b/app/main/api/internal/service/wechatpayService.go
index 1c489a5..8e97a5f 100644
--- a/app/main/api/internal/service/wechatpayService.go
+++ b/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{