diff --git a/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/stockOutOrder/StockOutOrderApi.java b/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/stockOutOrder/StockOutOrderApi.java
index 528949e51..0b95fbe51 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/stockOutOrder/StockOutOrderApi.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/stockOutOrder/StockOutOrderApi.java
@@ -24,6 +24,7 @@ import org.springframework.web.multipart.MultipartFile;
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -164,7 +165,48 @@ public class StockOutOrderApi extends BaseController {
         return toAjax(stockOutOrderApplicationService.cancelAssign(stockOutOrderDO));
     }
 
+    /**
+     * 手动取消分配（点击确认后直接取消分配）
+     * 前端点击取消分配按钮时弹出确认对话框，点击确认后调用此接口
+     * 只需要传递出库单ID和物料明细ID，会自动取消该明细的所有已分配数量
+     */
+    @ApiOperation("手动取消分配")
+    @PostMapping("/manualCancelAssign")
+    public AjaxResult manualCancelAssign(@RequestBody StockOutOrderDTO stockOutOrderDTO) {
+        // 检查参数
+        if (stockOutOrderDTO.getOutOrderId() == null) {
+            return error("出库单ID不能为空");
+        }
+        if (stockOutOrderDTO.getMaterialDetailList() == null || stockOutOrderDTO.getMaterialDetailList().isEmpty()) {
+            return error("物料明细不能为空，请选择要取消分配的物料明细");
+        }
 
+        StockOutOrderDO stockOutOrderDO = new StockOutOrderDO();
+        BeanUtils.copyProperties(stockOutOrderDTO, stockOutOrderDO);
+        // 转换物料明细列表，手动转换确保materialDetailId字段正确传递
+        List<OutMaterialDetailDO> materialDetailList = new ArrayList<>();
+        for (OutMaterialDetailDTO detailDTO : stockOutOrderDTO.getMaterialDetailList()) {
+            OutMaterialDetailDO detailDO = new OutMaterialDetailDO();
+            // 只复制必要的字段，确保materialDetailId被正确传递
+            detailDO.setMaterialDetailId(detailDTO.getMaterialDetailId());
+            detailDO.setUniqueId(detailDTO.getUniqueId());
+            detailDO.setAllocationQuantity(detailDTO.getAllocationQuantity());
+            // 如果有子明细，也转换
+            if (detailDTO.getMaterialDetailList() != null && !detailDTO.getMaterialDetailList().isEmpty()) {
+                List<OutMaterialDetailDO> children = new ArrayList<>();
+                for (OutMaterialDetailDTO childDTO : detailDTO.getMaterialDetailList()) {
+                    OutMaterialDetailDO childDO = new OutMaterialDetailDO();
+                    childDO.setMaterialDetailId(childDTO.getMaterialDetailId());
+                    childDO.setAllocationQuantity(childDTO.getAllocationQuantity());
+                    children.add(childDO);
+                }
+                detailDO.setChildren(children);
+            }
+            materialDetailList.add(detailDO);
+        }
+        stockOutOrderDO.setMaterialDetailList(materialDetailList);
+        return toAjax(stockOutOrderApplicationService.manualCancelAssign(stockOutOrderDO));
+    }
 
     /**
      * 生成拣货单