diff --git a/internal/conf/alipay.go b/internal/conf/alipay.go
index 4f118d64..8d1b8d0f 100644
--- a/internal/conf/alipay.go
+++ b/internal/conf/alipay.go
@@ -21,16 +21,16 @@ func MustAlipayClient() *alipay.Client {
 			logrus.Fatalf("alipay.New err: %s", err)
 		}
 		// 加载应用公钥证书
-		if err = client.LoadAppPublicCertFromFile(s.AppPublicCertFile); err != nil {
-			logrus.Fatalf("client.LoadAppPublicCertFromFile err: %s\n", err)
+		if err = client.LoadAppCertPublicKeyFromFile(s.AppPublicCertFile); err != nil {
+			logrus.Fatalf("client.LoadAppCertPublicKeyFromFile err: %s\n", err)
 		}
 		// 加载支付宝根证书
 		if err = client.LoadAliPayRootCertFromFile(s.RootCertFile); err != nil {
 			logrus.Fatalf("client.LoadAliPayRootCertFromFile err: %s\n", err)
 		}
 		// 加载支付宝公钥证书
-		if err = client.LoadAliPayPublicCertFromFile(s.PublicCertFile); err != nil {
-			logrus.Fatalf("client.LoadAliPayPublicCertFromFile err: %s\n", err)
+		if err = client.LoadAlipayCertPublicKeyFromFile(s.PublicCertFile); err != nil {
+			logrus.Fatalf("client.LoadAlipayCertPublicKeyFromFile err: %s\n", err)
 		}
 		_alipayClient = client
 	})
diff --git a/internal/service/metrics.go b/internal/service/metrics.go
index 74fdad6f..d83a5fd4 100644
--- a/internal/service/metrics.go
+++ b/internal/service/metrics.go
@@ -43,7 +43,6 @@ func (s *metricsService) String() string {
 
 func newMetricsService() Service {
 	addr := conf.MetricsServerSetting.HttpIp + ":" + conf.MetricsServerSetting.HttpPort
-	// notice this step just to register pprof server to start. don't share server with pprof.
 	server := httpServers.from(addr, func() *httpServer {
 		ds, wc := dao.DataService(), cache.NewWebCache()
 		mux := http.NewServeMux()