diff --git a/src/main/java/com/sczx/user/thirdpart/integration/AlipayInteg.java b/src/main/java/com/sczx/user/thirdpart/integration/AlipayInteg.java
index e545612..0dff36e 100644
--- a/src/main/java/com/sczx/user/thirdpart/integration/AlipayInteg.java
+++ b/src/main/java/com/sczx/user/thirdpart/integration/AlipayInteg.java
@@ -4,6 +4,7 @@ package com.sczx.user.thirdpart.integration;
 import com.alibaba.fastjson.JSONObject;
 import com.alipay.api.AlipayApiException;
 import com.alipay.api.AlipayClient;
+import com.alipay.api.AlipayConfig;
 import com.alipay.api.DefaultAlipayClient;
 import com.alipay.api.internal.util.AlipayEncrypt;
 import com.alipay.api.request.AlipaySystemOauthTokenRequest;
@@ -20,17 +21,23 @@ public class AlipayInteg {
     @Value("${alipay.miniapp.appid}")
     private String appId;
 
-    @Value("${alipay.miniapp.signVeriKey}")
-    private String signVeriKey;
-
     @Value("${alipay.miniapp.decryptKey}")
     private String decryptKey;
 
     @Value("${alipay.miniapp.privateKey}")
     private String privateKey;
 
-    @Value("${alipay.miniapp.publicKey}")
-    private String publicKey;
+//    @Value("${alipay.miniapp.publicKey}")
+//    private String publicKey;
+
+    @Value("${alipay.miniapp.appCertPath}")
+    private String appCertPath;
+
+    @Value("${alipay.miniapp.alipayCertPath}")
+    private String alipayCertPath;
+
+    @Value("${alipay.miniapp.alipayRootCertPath}")
+    private String alipayRootCertPath;
 
     @Value("${alipay.miniapp.gatewayUrl}")
     private String gatewayUrl;
@@ -106,15 +113,38 @@ public class AlipayInteg {
      */
     public String getUserInfoByAuthCode(String authCode) {
         try {
-            AlipayClient alipayClient = new DefaultAlipayClient(
-                    gatewayUrl, appId, privateKey, format, charset, publicKey, signType);
+//            AlipayClient alipayClient = new DefaultAlipayClient(
+//                    gatewayUrl, appId, privateKey, format, charset, publicKey, signType);
+
+            AlipayConfig alipayConfig = new AlipayConfig();
+            //设置网关地址
+            alipayConfig.setServerUrl(gatewayUrl);
+            //设置应用ID
+            alipayConfig.setAppId(appId);
+            //设置应用私钥
+            alipayConfig.setPrivateKey(privateKey);
+            //设置请求格式，固定值json
+            alipayConfig.setFormat(format);
+            //设置字符集
+            alipayConfig.setCharset(charset);
+            //设置签名类型
+            alipayConfig.setSignType(signType);
+            //设置应用公钥证书路径
+            alipayConfig.setAppCertPath(appCertPath);
+            //设置支付宝公钥证书路径
+            alipayConfig.setAlipayPublicCertPath(alipayCertPath);
+            //设置支付宝根证书路径
+            alipayConfig.setRootCertPath(alipayRootCertPath);
+
+            AlipayClient alipayClient = new DefaultAlipayClient(alipayConfig);
 
             // 1. 通过authCode获取access_token
             AlipaySystemOauthTokenRequest tokenRequest = new AlipaySystemOauthTokenRequest();
             tokenRequest.setGrantType("authorization_code");
             tokenRequest.setCode(authCode);
-
+            log.info("获取支付宝access_token请求参数: {}", tokenRequest);
             AlipaySystemOauthTokenResponse tokenResponse = alipayClient.execute(tokenRequest);
+            log.info("获取支付宝access_token返回结果: {}", tokenResponse.getBody());
 
             if (!tokenResponse.isSuccess()) {
                 log.error("获取支付宝access_token失败: {}", tokenResponse.getSubMsg());
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index bfa51d3..c613cfc 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -75,9 +75,11 @@ alipay:
   miniapp:
     appid: 2021005174658269
     privateKey: 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
-    publicKey: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArPG4JQ9YY9+tOeImQO0eNkp+NZkenJ9hMHEVVmwAHAI5BoJMCLvAm504BXSpgpqaiCJ6ARTwBkiDz4dyCMVfE3VE8+oMFtXqfHaZLhfd+X9VQNqRCz0HeR2IbjGnnbYxQOAEOM6z092UfNieG00HyU5yREfzjJkIcyuGeGgbIBG1gPpLhXsQKRhQYqp4Exgd4LX6qnKLPL90kJVkQnHcJkp+rCoQ5zS6ZUXE2d/2GzY7xi93uTU2CLMiZ7Vi2OZ1g7xY+yDQzTA/CseveJeW3rM6T8yBjlEJwsywEL5co3YqpJUIMIe/fLjhRRgj+JUq5w0sRqb3+CswQHIjgc71QwIDAQAB
+#    publicKey: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArPG4JQ9YY9+tOeImQO0eNkp+NZkenJ9hMHEVVmwAHAI5BoJMCLvAm504BXSpgpqaiCJ6ARTwBkiDz4dyCMVfE3VE8+oMFtXqfHaZLhfd+X9VQNqRCz0HeR2IbjGnnbYxQOAEOM6z092UfNieG00HyU5yREfzjJkIcyuGeGgbIBG1gPpLhXsQKRhQYqp4Exgd4LX6qnKLPL90kJVkQnHcJkp+rCoQ5zS6ZUXE2d/2GzY7xi93uTU2CLMiZ7Vi2OZ1g7xY+yDQzTA/CseveJeW3rM6T8yBjlEJwsywEL5co3YqpJUIMIe/fLjhRRgj+JUq5w0sRqb3+CswQHIjgc71QwIDAQAB
+    appCertPath: classpath:cert/appCertPublicKey_2021005174658269.crt
+    alipayCertPath: classpath:cert/alipayCertPublicKey_RSA2.crt
+    alipayRootCertPath: classpath:cert/alipayRootCert.crt
     gatewayUrl: https://openapi.alipay.com/gateway.do
-    signVeriKey: 支付宝公钥
     decryptKey: +MXY7LF6TPih7jf7AmtC2g==
     format: JSON
     charset: UTF-8
diff --git a/src/main/resources/crt/alipayCertPublicKey_RSA2.crt b/src/main/resources/crt/alipayCertPublicKey_RSA2.crt
new file mode 100644
index 0000000..cde36bd
--- /dev/null
+++ b/src/main/resources/crt/alipayCertPublicKey_RSA2.crt
@@ -0,0 +1,43 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/src/main/resources/crt/alipayRootCert.crt b/src/main/resources/crt/alipayRootCert.crt
new file mode 100644
index 0000000..76417c5
--- /dev/null
+++ b/src/main/resources/crt/alipayRootCert.crt
@@ -0,0 +1,88 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+-----BEGIN CERTIFICATE-----
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\ No newline at end of file
diff --git a/src/main/resources/crt/appCertPublicKey_2021005174658269.crt b/src/main/resources/crt/appCertPublicKey_2021005174658269.crt
new file mode 100644
index 0000000..41c7877
--- /dev/null
+++ b/src/main/resources/crt/appCertPublicKey_2021005174658269.crt
@@ -0,0 +1,23 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
\ No newline at end of file