diff --git a/zt-module-contract-order/zt-module-contract-order-api/src/main/java/com/zt/plat/module/contractorder/api/OrderApi.java b/zt-module-contract-order/zt-module-contract-order-api/src/main/java/com/zt/plat/module/contractorder/api/OrderApi.java
index 5255bf8e..83ec87e1 100644
--- a/zt-module-contract-order/zt-module-contract-order-api/src/main/java/com/zt/plat/module/contractorder/api/OrderApi.java
+++ b/zt-module-contract-order/zt-module-contract-order-api/src/main/java/com/zt/plat/module/contractorder/api/OrderApi.java
@@ -29,4 +29,9 @@ public interface OrderApi {
     @PostMapping(PREFIX + "/update-lst-qty-by-order-id")
     @Operation(summary = "根据订单明细id更新累积量", description = "根据订单明细id更新收货量")
     CommonResult<Boolean> UpdateOrderLstQty(@RequestBody @Validated List<UpdateOrderLstQtyDTO> updateOrderLstQtyDTOS);
+
+    @PostMapping(PREFIX + "/void -lst-qty-by-order-id")
+    @Operation(summary = "根据订单明细id更新累积量(冲销)", description = "根据订单明细id更新收货量(冲销)")
+    CommonResult<Boolean> voidOrderLstQty(@RequestBody @Validated List<UpdateOrderLstQtyDTO> updateOrderLstQtyDTOS);
+
 }
diff --git a/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/api/OrderApiImpl.java b/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/api/OrderApiImpl.java
index 3249fc20..51d5f1ac 100644
--- a/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/api/OrderApiImpl.java
+++ b/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/api/OrderApiImpl.java
@@ -1,6 +1,7 @@
 package com.zt.plat.module.contractorder.api;
 
 import cn.hutool.extra.spring.SpringUtil;
+import com.zt.plat.framework.common.exception.ErrorCode;
 import com.zt.plat.framework.common.pojo.CommonResult;
 import com.zt.plat.framework.common.util.object.BeanUtils;
 import com.zt.plat.module.contractorder.api.dto.order.*;
@@ -25,6 +26,7 @@ import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
 
+import static com.zt.plat.framework.common.exception.util.ServiceExceptionUtil.exception;
 import static com.zt.plat.framework.common.pojo.CommonResult.success;
 
 @RestController
@@ -128,6 +130,47 @@ public class OrderApiImpl implements OrderApi {
         return success(true);
     }
 
+    @Override
+    public CommonResult<Boolean> voidOrderLstQty(List<UpdateOrderLstQtyDTO> updateOrderLstQtyDTOS) {
+        if (updateOrderLstQtyDTOS == null || updateOrderLstQtyDTOS.isEmpty()) {
+            throw new RuntimeException("请求数据错误");
+        }
+        SalesOrderDetailMapper salesOrderDetailMapper = SpringUtil.getBean(SalesOrderDetailMapper.class);
+        PrchOrdDtlMapper prchOrdDtlMapper = SpringUtil.getBean(PrchOrdDtlMapper.class);
+        updateOrderLstQtyDTOS.forEach(f -> {
+            if ("SALE".equals(f.getSplyBsnTp())) {
+                SalesOrderDetailDO salesOrderDetailDO = salesOrderDetailMapper.selectById(f.getOrderDetailId());
+                // 处理 trfQty 可能为 null 的情况，默认值 0
+                BigDecimal lstQty = Optional.ofNullable(salesOrderDetailDO.getTrfQty())
+                        .orElse(BigDecimal.ZERO);
+                if (lstQty.equals(BigDecimal.ZERO)) {
+                    throw exception(new ErrorCode(1_008_00_609,"积累量不能等于0"));
+                }
+                SalesOrderDetailDO updateDO = new SalesOrderDetailDO();
+                updateDO.setId(f.getOrderDetailId()); // 给更新对象设 ID
+                updateDO.setTrfQty(lstQty.subtract(f.getLstQty())); // 减法
+                log.info("更新销售订单明细：{}", updateDO);
+                salesOrderDetailMapper.updateById(updateDO);
+            } else if ("PUR".equals(f.getSplyBsnTp())) {
+                // 采购
+                PrchOrdDtlDO prchOrdDtlDO = prchOrdDtlMapper.selectById(f.getOrderDetailId());
+                BigDecimal lstQty = Optional.ofNullable(prchOrdDtlDO.getTrfQty())
+                        .orElse(BigDecimal.ZERO);
+                if (lstQty.equals(BigDecimal.ZERO)) {
+                    throw exception(new ErrorCode(1_008_00_609,"积累量不能等于0"));
+                }
+                PrchOrdDtlDO updateDO = new PrchOrdDtlDO();
+                updateDO.setId(f.getOrderDetailId());
+                updateDO.setLstQty(lstQty.subtract(f.getLstQty()));
+                log.info("更新销售订单明细：{}", updateDO);
+                prchOrdDtlMapper.updateById(updateDO);
+            } else {
+                throw new RuntimeException("请求数据错误");
+            }
+        });
+        return success(true);
+    }
+
     private List<SalesOrderDO> getOrderByIds(List<Long> ids) {
         return SpringUtil.getBean(SalesOrderMapper.class).selectByIds(ids); // 采购订单与销售订单的
     }