diff --git a/src/main/java/com/xujie/sys/modules/part/service/impl/BomManagementServiceImpl.java b/src/main/java/com/xujie/sys/modules/part/service/impl/BomManagementServiceImpl.java
index 25808ce0..7da177bf 100644
--- a/src/main/java/com/xujie/sys/modules/part/service/impl/BomManagementServiceImpl.java
+++ b/src/main/java/com/xujie/sys/modules/part/service/impl/BomManagementServiceImpl.java
@@ -10,10 +10,7 @@ import com.xujie.sys.modules.part.mapper.BomManagementMapper;
 import com.xujie.sys.modules.part.mapper.PartInformationMapper;
 import com.xujie.sys.modules.part.service.BomManagementService;
 import com.xujie.sys.modules.part.vo.*;
-import com.xujie.sys.modules.pms.data.GetParamInData;
-import com.xujie.sys.modules.pms.data.QcItemData;
 import org.apache.commons.lang3.StringUtils;
-import org.apache.poi.ss.formula.ptg.NotEqualPtg;
 import org.apache.poi.ss.usermodel.Cell;
 import org.apache.poi.ss.usermodel.CellType;
 import org.apache.poi.ss.usermodel.DataFormatter;
@@ -22,13 +19,13 @@ import org.apache.poi.xssf.usermodel.XSSFSheet;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.InputStream;
 import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -871,9 +868,9 @@ public class BomManagementServiceImpl extends ServiceImpl<BomManagementMapper, B
                 }
                 task.setLineItemNo(++lineItemNo);
                 task.setLineSequence(++lineSeqNo);
-                task.setPrintUnit(partInformationEntity.getUmId()); // 单位
-                task.setQtyPerAssembly(getNumericCellValueOrDefault(row, 2, BigDecimal.ZERO)); // 单位用量
-                task.setComponentScrap(getNumericCellValueOrDefault(row, 3, BigDecimal.ZERO)); // 调机量
+                task.setPrintUnit(partInformationEntity.getUmId2()); // 单位
+                task.setQtyPerAssembly(getNumericCellValueOrDefault(row, 2)); // 单位用量
+                task.setComponentScrap(getNumericCellValueOrDefault(row, 3)); // 调机量
                 task.setShrinkageFactor(data.getShrinkageFactor()); // 损耗率
                 saveList.add(task);
             }
@@ -893,9 +890,25 @@ public class BomManagementServiceImpl extends ServiceImpl<BomManagementMapper, B
         return formatter.formatCellValue(cell);
     }
 
-    private BigDecimal getNumericCellValueOrDefault(XSSFRow row, int columnIndex, BigDecimal defaultValue) {
+    private BigDecimal getNumericCellValueOrDefault(XSSFRow row, int columnIndex) {
         Cell cell = row.getCell(columnIndex);
-        return (cell == null || cell.getCellType() == CellType.BLANK) ? defaultValue : BigDecimal.valueOf(cell.getNumericCellValue());
+        if (cell == null || cell.getCellType() == CellType.BLANK) {
+            return BigDecimal.ZERO;
+        }
+        switch (cell.getCellType()) {
+            case NUMERIC:
+                BigDecimal value = BigDecimal.valueOf(cell.getNumericCellValue());
+                return value.setScale(4, RoundingMode.HALF_UP); // 四舍五入保留四位小数
+            case STRING:
+                try {
+                    BigDecimal stringValue = new BigDecimal(cell.getStringCellValue());
+                    return stringValue.setScale(4, RoundingMode.HALF_UP); // 四舍五入保留四位小数
+                } catch (NumberFormatException e) {
+                    throw new RuntimeException("无效的数值格式: " + cell.getStringCellValue());
+                }
+            default:
+                throw new RuntimeException("不支持的单元格类型: " + cell.getCellType());
+        }
     }
 
 }