diff --git a/pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/dto/PayTransactionCreateDTO.java b/pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/dto/PayTransactionCreateDTO.java
index 4eedd49a9..e55966e0b 100644
--- a/pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/dto/PayTransactionCreateDTO.java
+++ b/pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/dto/PayTransactionCreateDTO.java
@@ -7,6 +7,7 @@ import javax.validation.constraints.DecimalMin;
 import javax.validation.constraints.NotEmpty;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
+import java.io.Serializable;
 import java.util.Date;
 
 /**
@@ -14,7 +15,7 @@ import java.util.Date;
  */
 @Data
 @Accessors(chain = true)
-public class PayTransactionCreateDTO {
+public class PayTransactionCreateDTO implements Serializable {
 
     /**
      * 应用编号