diff --git a/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/weixin/AbstractWxPayClient.java b/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/weixin/AbstractWxPayClient.java
index a8c50cf1c..36c305553 100644
--- a/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/weixin/AbstractWxPayClient.java
+++ b/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/weixin/AbstractWxPayClient.java
@@ -36,6 +36,7 @@ import java.util.Objects;
 
 import static cn.hutool.core.date.DatePattern.*;
 import static cn.iocoder.yudao.framework.pay.core.client.impl.weixin.WxPayClientConfig.API_VERSION_V2;
+import static cn.iocoder.yudao.framework.pay.core.client.impl.weixin.WxPayClientConfig.API_VERSION_V3;
 
 /**
  * 微信支付抽象类，实现微信统一的接口、以及部分实现（退款）
@@ -59,19 +60,14 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
     protected void doInit(String tradeType) {
         // 创建 config 配置
         WxPayConfig payConfig = new WxPayConfig();
-        BeanUtil.copyProperties(config, payConfig, "keyContent", "privateKeyContent", "privateCertContent");
+        BeanUtil.copyProperties(config, payConfig, "keyContent", "privateKeyContent");
         payConfig.setTradeType(tradeType);
         // weixin-pay-java 无法设置内容，只允许读取文件，所以这里要创建临时文件来解决
-        if (Base64.isBase64(config.getKeyContent())) {
+        if (Objects.equals(config.getApiVersion(), API_VERSION_V2)) {
             payConfig.setKeyPath(FileUtils.createTempFile(Base64.decode(config.getKeyContent())).getPath());
-        }
-        if (StrUtil.isNotEmpty(config.getPrivateKeyContent())) {
+        } else if (Objects.equals(config.getApiVersion(), API_VERSION_V3)) {
             payConfig.setPrivateKeyPath(FileUtils.createTempFile(config.getPrivateKeyContent()).getPath());
         }
-        if (StrUtil.isNotEmpty(config.getPrivateCertContent())) {
-            payConfig.setPrivateCertPath(FileUtils.createTempFile(config.getPrivateCertContent()).getPath());
-        }
-//        payConfig.setCertSerialNo();
 
         // 创建 client 客户端
         client = new WxPayServiceImpl();
@@ -86,7 +82,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
             switch (config.getApiVersion()) {
                 case API_VERSION_V2:
                     return doUnifiedOrderV2(reqDTO);
-                case WxPayClientConfig.API_VERSION_V3:
+                case API_VERSION_V3:
                     return doUnifiedOrderV3(reqDTO);
                 default:
                     throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
@@ -157,7 +153,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
         switch (config.getApiVersion()) {
             case API_VERSION_V2:
                 return doParseOrderNotifyV2(body);
-            case WxPayClientConfig.API_VERSION_V3:
+            case API_VERSION_V3:
                 return doParseOrderNotifyV3(body);
             default:
                 throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
@@ -192,7 +188,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
             switch (config.getApiVersion()) {
                 case API_VERSION_V2:
                     return doGetOrderV2(outTradeNo);
-                case WxPayClientConfig.API_VERSION_V3:
+                case API_VERSION_V3:
                     return doGetOrderV3(outTradeNo);
                 default:
                     throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
@@ -261,7 +257,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
             switch (config.getApiVersion()) {
                 case API_VERSION_V2:
                     return doUnifiedRefundV2(reqDTO);
-                case WxPayClientConfig.API_VERSION_V3:
+                case API_VERSION_V3:
                     return doUnifiedRefundV3(reqDTO);
                 default:
                     throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
@@ -321,7 +317,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
         switch (config.getApiVersion()) {
             case API_VERSION_V2:
                 return doParseRefundNotifyV2(body);
-            case WxPayClientConfig.API_VERSION_V3:
+            case API_VERSION_V3:
                 return parseRefundNotifyV3(body);
             default:
                 throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
@@ -358,7 +354,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
             switch (config.getApiVersion()) {
                 case API_VERSION_V2:
                     return doGetRefundV2(outTradeNo, outRefundNo);
-                case WxPayClientConfig.API_VERSION_V3:
+                case API_VERSION_V3:
                     return doGetRefundV3(outTradeNo, outRefundNo);
                 default:
                     throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
diff --git a/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/weixin/WxPayClientConfig.java b/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/weixin/WxPayClientConfig.java
index de5b0234a..9fe3eaaa1 100644
--- a/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/weixin/WxPayClientConfig.java
+++ b/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/weixin/WxPayClientConfig.java
@@ -1,14 +1,10 @@
 package cn.iocoder.yudao.framework.pay.core.client.impl.weixin;
 
-import cn.hutool.core.io.IoUtil;
 import cn.iocoder.yudao.framework.common.util.validation.ValidationUtils;
 import cn.iocoder.yudao.framework.pay.core.client.PayClientConfig;
-import lombok.Data;
-
 import jakarta.validation.Validator;
 import jakarta.validation.constraints.NotBlank;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
+import lombok.Data;
 
 /**
  * 微信支付的 PayClientConfig 实现类
@@ -71,16 +67,19 @@ public class WxPayClientConfig implements PayClientConfig {
      */
     @NotBlank(message = "apiclient_key 不能为空", groups = V3.class)
     private String privateKeyContent;
-    /**
-     * apiclient_cert.pem 证书文件的对应的字符串
-     */
-    @NotBlank(message = "apiclient_cert 不能为空", groups = V3.class)
-    private String privateCertContent;
     /**
      * apiV3 密钥值
      */
     @NotBlank(message = "apiV3 密钥值不能为空", groups = V3.class)
     private String apiV3Key;
+    /**
+     * 证书序列号
+     */
+    @NotBlank(message = "证书序列号不能为空", groups = V3.class)
+    private String certSerialNo;
+
+    @Deprecated // TODO 芋艿：V2.3.0 进行移除
+    private String privateCertContent;
 
     /**
      * 分组校验 v2版本
@@ -100,11 +99,4 @@ public class WxPayClientConfig implements PayClientConfig {
                 API_VERSION_V2.equals(this.getApiVersion()) ? V2.class : V3.class);
     }
 
-    public static void main(String[] args) throws FileNotFoundException {
-        String path = "/Users/yunai/Downloads/wx_pay/apiclient_cert.p12";
-        /// String path = "/Users/yunai/Downloads/wx_pay/apiclient_key.pem";
-        /// String path = "/Users/yunai/Downloads/wx_pay/apiclient_cert.pem";
-        System.out.println(IoUtil.readUtf8(new FileInputStream(path)));
-    }
-
 }