diff --git a/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/alipay/AlipayPayClientConfig.java b/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/alipay/AlipayPayClientConfig.java
index 13f2885d4..3cb2bc242 100644
--- a/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/alipay/AlipayPayClientConfig.java
+++ b/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/main/java/cn/iocoder/yudao/framework/pay/core/client/impl/alipay/AlipayPayClientConfig.java
@@ -26,6 +26,11 @@ public class AlipayPayClientConfig implements PayClientConfig {
      */
     public static final Integer MODE_CERTIFICATE = 2;
 
+    /**
+     * 接口内容加密方式 - AES 加密
+     */
+    public static final String ENC_TYPE_AES = "AES";
+
     /**
      * 签名算法类型 - RSA
      */
@@ -92,6 +97,19 @@ public class AlipayPayClientConfig implements PayClientConfig {
     @NotBlank(message = "指定根证书内容字符串不能为空", groups = {ModeCertificate.class})
     private String rootCertContent;
 
+    /**
+     * 接口内容加密方式，如果为空，将使用无加密方式
+     * 如果要加密，目前支付宝只有 AES 一种加密方式
+     * <a href="https://opendocs.alipay.com/common/02mse3">支付宝开放平台</a>
+     * @see AlipayPayClientConfig#ENC_TYPE_AES
+     */
+    private String encryptType;
+
+    /**
+     * 接口内容加密的私钥
+     */
+    private String encryptKey;
+
     public interface ModePublicKey {
     }