diff --git a/src/main/java/com/aida/seller/module/order/controller/OrderController.java b/src/main/java/com/aida/seller/module/order/controller/OrderController.java
index 8991ad5..5f8dda7 100644
--- a/src/main/java/com/aida/seller/module/order/controller/OrderController.java
+++ b/src/main/java/com/aida/seller/module/order/controller/OrderController.java
@@ -6,6 +6,7 @@ import com.aida.seller.common.result.PageResponse;
 import com.aida.seller.common.result.Response;
 import com.aida.seller.module.order.dto.CreateOrderDTO;
 import com.aida.seller.module.order.dto.OrderListDTO;
+import com.aida.seller.module.order.dto.BuyerOrdersDTO;
 import com.aida.seller.module.order.dto.UpdateOrderStatusDTO;
 import com.aida.seller.module.order.service.OrderService;
 import com.aida.seller.module.order.vo.BuyerOrderVO;
@@ -18,13 +19,8 @@ import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
 
 import java.util.List;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.PutMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+
+import org.springframework.web.bind.annotation.*;
 
 /**
  * My Orders - 订单管理控制器
@@ -74,12 +70,8 @@ public class OrderController {
 
     @PostMapping("/buyer/orders")
     @Operation(summary = "根据买家ID查询订单列表（供远程调用）")
-    public Response<PageResponse<BuyerOrderVO>> getOrdersByBuyerId(
-            @RequestParam Long buyerId,
-            @RequestParam(defaultValue = "1") long page,
-            @RequestParam(defaultValue = "10") long size,
-            @RequestParam(required = false) Integer status) {
-        return Response.success(PageResponse.success(orderService.getOrdersByBuyerId(buyerId, page, size, status)));
+    public Response<PageResponse<BuyerOrderVO>> getOrdersByBuyerId(@RequestBody BuyerOrdersDTO dto) {
+        return Response.success(PageResponse.success(orderService.getOrdersByBuyerId(dto)));
     }
 
     @PostMapping("/create")
diff --git a/src/main/java/com/aida/seller/module/order/dto/BuyerOrdersDTO.java b/src/main/java/com/aida/seller/module/order/dto/BuyerOrdersDTO.java
new file mode 100644
index 0000000..dd8d8bf
--- /dev/null
+++ b/src/main/java/com/aida/seller/module/order/dto/BuyerOrdersDTO.java
@@ -0,0 +1,25 @@
+package com.aida.seller.module.order.dto;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+@Schema(description = "根据买家ID查询订单列表请求参数")
+public class BuyerOrdersDTO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Schema(description = "买家ID")
+    private Long buyerId;
+
+    @Schema(description = "页码，默认1")
+    private long page = 1;
+
+    @Schema(description = "每页数量，默认10")
+    private long size = 10;
+
+    @Schema(description = "订单状态：0-未支付，1-已支付，2-已取消")
+    private Integer status;
+}
diff --git a/src/main/java/com/aida/seller/module/order/service/OrderService.java b/src/main/java/com/aida/seller/module/order/service/OrderService.java
index 1ddbfa8..3d43304 100644
--- a/src/main/java/com/aida/seller/module/order/service/OrderService.java
+++ b/src/main/java/com/aida/seller/module/order/service/OrderService.java
@@ -3,6 +3,7 @@ package com.aida.seller.module.order.service;
 import com.aida.seller.module.order.dto.CreateOrderDTO;
 import com.aida.seller.module.order.dto.OrderListDTO;
 import com.aida.seller.module.order.dto.UpdateOrderStatusDTO;
+import com.aida.seller.module.order.dto.BuyerOrdersDTO;
 import com.aida.seller.module.order.vo.BuyerOrderVO;
 import com.aida.seller.module.order.vo.CreateOrderResultVO;
 import com.aida.seller.module.order.vo.OrderSummaryVO;
@@ -51,11 +52,8 @@ public interface OrderService {
     /**
      * 根据买家ID分页查询订单列表（供远程调用）
      *
-     * @param buyerId 买家ID
-     * @param page    页码
-     * @param size    每页数量
-     * @param status  订单状态筛选（可选）
+     * @param dto 查询参数（买家ID、页码、每页数量、订单状态）
      * @return 买家订单分页列表，按更新时间降序排列
      */
-    IPage<BuyerOrderVO> getOrdersByBuyerId(Long buyerId, long page, long size, Integer status);
+    IPage<BuyerOrderVO> getOrdersByBuyerId(BuyerOrdersDTO dto);
 }
diff --git a/src/main/java/com/aida/seller/module/order/service/OrderServiceImpl.java b/src/main/java/com/aida/seller/module/order/service/OrderServiceImpl.java
index 21fb3e5..64e192a 100644
--- a/src/main/java/com/aida/seller/module/order/service/OrderServiceImpl.java
+++ b/src/main/java/com/aida/seller/module/order/service/OrderServiceImpl.java
@@ -9,6 +9,7 @@ import com.aida.seller.module.listing.mapper.ListingMapper;
 import com.aida.seller.module.order.dto.CreateOrderDTO;
 import com.aida.seller.module.order.dto.OrderListDTO;
 import com.aida.seller.module.order.dto.UpdateOrderStatusDTO;
+import com.aida.seller.module.order.dto.BuyerOrdersDTO;
 import com.aida.seller.module.order.entity.OrderInfoEntity;
 import com.aida.seller.module.order.entity.OrderItemEntity;
 import com.aida.seller.module.order.mapper.OrderInfoMapper;
@@ -140,13 +141,13 @@ public class OrderServiceImpl extends ServiceImpl<OrderInfoMapper, OrderInfoEnti
     }
 
     @Override
-    public IPage<BuyerOrderVO> getOrdersByBuyerId(Long buyerId, long page, long size, Integer status) {
-        Page<OrderInfoEntity> pageParam = new Page<>(page, size);
+    public IPage<BuyerOrderVO> getOrdersByBuyerId(BuyerOrdersDTO dto) {
+        Page<OrderInfoEntity> pageParam = new Page<>(dto.getPage(), dto.getSize());
 
         LambdaQueryWrapper<OrderInfoEntity> wrapper = new LambdaQueryWrapper<>();
-        wrapper.eq(OrderInfoEntity::getBuyerId, buyerId);
-        if (status != null) {
-            wrapper.eq(OrderInfoEntity::getStatus, status);
+        wrapper.eq(OrderInfoEntity::getBuyerId, dto.getBuyerId());
+        if (dto.getStatus() != null) {
+            wrapper.eq(OrderInfoEntity::getStatus, dto.getStatus());
         }
         wrapper.orderByDesc(OrderInfoEntity::getUpdateTime);