diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/TestClients.cs b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/TestClients.cs
index 1f91832f..919f8b45 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/TestClients.cs
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/TestClients.cs
@@ -6,15 +6,19 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests
     {
         static TestClients()
         {
+            GlobalCertificateStorer = new Settings.InMemoryCertificateStorer();
             Instance = new WechatTenpayClient(new WechatTenpayClientOptions()
             { 
                 MerchantId = TestConfigs.WechatMerchantId,
                 MerchantV3Secret = TestConfigs.WechatMerchantSecret,
                 MerchantCertSerialNumber = TestConfigs.WechatMerchantCertSerialNumber,
-                MerchantCertPrivateKey = TestConfigs.WechatMerchantCertPrivateKey
+                MerchantCertPrivateKey = TestConfigs.WechatMerchantCertPrivateKey,
+                CertificateStorer = GlobalCertificateStorer
             });
         }
 
+        public static readonly Settings.ICertificateStorer GlobalCertificateStorer;
+
         public static readonly WechatTenpayClient Instance;
     }
 }
diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/WechatTenpayResponseVerificationTests.cs b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/WechatTenpayResponseVerificationTests.cs
index 12b3e907..9b9eef57 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/WechatTenpayResponseVerificationTests.cs
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/WechatTenpayResponseVerificationTests.cs
@@ -22,13 +22,12 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests
             Assert.NotNull(response.WechatpaySignature);
 
             TestClients.Instance.DecryptResponseEncryptedData(ref response);
-            var certificateModel = response.CertificateList.SingleOrDefault(e => e.SerialNumber == response.WechatpayCertSerialNumber);
-            Assert.NotNull(certificateModel);
+            foreach (var certificateModel in response.CertificateList)
+            {
+                TestClients.GlobalCertificateStorer.Set(certificateModel.SerialNumber, certificateModel.EncryptCertificate.CipherText);
+            }
 
-            // 通过证书验证签名
-            Assert.True(TestClients.Instance.VerifyResponseSignatureByCertificate(response, certificate: certificateModel.EncryptCertificate.CipherText));
-            // 通过公钥验证签名
-            Assert.True(TestClients.Instance.VerifyResponseSignature(response, publicKey: Utilities.RSAUtility.ExportPublicKey(certificateModel.EncryptCertificate.CipherText)));
+            Assert.True(TestClients.Instance.VerifyResponseSignature(response));
         }
     }
 }