diff --git a/src/main/java/com/spring/modules/part/service/impl/BomManagementServiceImpl.java b/src/main/java/com/spring/modules/part/service/impl/BomManagementServiceImpl.java
index 59b9d08f..3292e7c5 100644
--- a/src/main/java/com/spring/modules/part/service/impl/BomManagementServiceImpl.java
+++ b/src/main/java/com/spring/modules/part/service/impl/BomManagementServiceImpl.java
@@ -660,13 +660,14 @@ public class BomManagementServiceImpl extends ServiceImpl<BomManagementMapper, B
     @Override
     @Transactional
     public Map<String, Object> saveBomComponent(BomComponentEntity data) {
+        String normalizedComponentPart = normalizeAndValidateComponentPart(data);
 //        // 校验查重
 //        List<BomComponentEntity> checkList = bomManagementMapper.checkBomComponentOnlyOne(data);
 //        if (!checkList.isEmpty()) {
 //            throw new RuntimeException("子物料已存在，请检查！");
 //        }
         // 校验不能选择自己为子件
-        if (data.getPartNo().equals(data.getComponentPart())) {
+        if (StringUtils.equals(normalizePartNo(data.getPartNo()), normalizedComponentPart)) {
             throw new RuntimeException("不能将自己作为子物料!");
         }
         // 校验子物料是否合规
@@ -812,6 +813,7 @@ public class BomManagementServiceImpl extends ServiceImpl<BomManagementMapper, B
     @Override
     @Transactional
     public Map<String, Object> updateBomComponent(BomComponentEntity data) {
+        normalizeAndValidateComponentPart(data);
         BomComponentEntity oldData = bomManagementMapper.queryBomComponentByLineItemNo(data);
         // 修改bom子明细物料
         if ("byProduct".equals(data.getProductFlag())) {
@@ -886,6 +888,7 @@ public class BomManagementServiceImpl extends ServiceImpl<BomManagementMapper, B
         }
 
         for (BomComponentEntity data : items) {
+            normalizeAndValidateComponentPart(data);
             if ("byProduct".equals(data.getProductFlag())) {
                 data.setQtyPerAssembly(data.getQtyPerAssembly().negate());
             }
@@ -1738,6 +1741,7 @@ public class BomManagementServiceImpl extends ServiceImpl<BomManagementMapper, B
             data.setBomType(inData.getBomType());
             data.setAlternativeNo(inData.getAlternativeNo());
             data.setCreateBy(inData.getUpdateBy());
+            normalizeAndValidateComponentPart(data);
             // 校验子物料是否合规
             PartInformationEntity partInformationEntity = partInformationMapper.selectOne(new QueryWrapper<PartInformationEntity>().eq("site", data.getSite()).eq("part_no", data.getComponentPart()));
             if (partInformationEntity == null) {
@@ -1838,6 +1842,22 @@ public class BomManagementServiceImpl extends ServiceImpl<BomManagementMapper, B
         }
     }
 
+    private String normalizePartNo(String partNo) {
+        return StringUtils.upperCase(StringUtils.trimToEmpty(partNo));
+    }
+
+    private String normalizeAndValidateComponentPart(BomComponentEntity data) {
+        if (data == null) {
+            throw new RuntimeException("子物料数据不能为空!");
+        }
+        String normalizedComponentPart = normalizePartNo(data.getComponentPart());
+        if (StringUtils.isBlank(normalizedComponentPart)) {
+            throw new RuntimeException("子物料编码不能为空!");
+        }
+        data.setComponentPart(normalizedComponentPart);
+        return normalizedComponentPart;
+    }
+
     private void autoFillWidthByComponentPart(BomComponentEntity data) {
         if (data == null || data.getWidth() != null || StringUtils.isBlank(data.getComponentPart())) {
             return;
diff --git a/src/main/java/com/spring/modules/part/service/impl/RecipeManagementServiceImpl.java b/src/main/java/com/spring/modules/part/service/impl/RecipeManagementServiceImpl.java
index ab2d37ef..4bbea59a 100644
--- a/src/main/java/com/spring/modules/part/service/impl/RecipeManagementServiceImpl.java
+++ b/src/main/java/com/spring/modules/part/service/impl/RecipeManagementServiceImpl.java
@@ -725,8 +725,9 @@ public class RecipeManagementServiceImpl extends ServiceImpl<RecipeManagementMap
     @Override
     @Transactional
     public Map<String, Object> saveRecipeComponent(RecipeComponentEntity data) {
+        String normalizedComponentPart = normalizeAndValidateComponentPart(data);
         // 校验不能选择自己为子件
-        if (data.getPartNo().equals(data.getComponentPart())) {
+        if (StringUtils.equals(normalizePartNo(data.getPartNo()), normalizedComponentPart)) {
             throw new RuntimeException("不能将自己作为子物料!");
         }
         // 校验子物料是否合规
@@ -833,6 +834,7 @@ public class RecipeManagementServiceImpl extends ServiceImpl<RecipeManagementMap
     @Override
     @Transactional
     public Map<String, Object> updateRecipeComponent(RecipeComponentEntity data) {
+        normalizeAndValidateComponentPart(data);
         // 修改recipe子明细物料
         if ("byProduct".equals(data.getProductFlag())) {
             data.setQtyPerAssembly(data.getQtyPerAssembly().negate());
@@ -1497,4 +1499,20 @@ public class RecipeManagementServiceImpl extends ServiceImpl<RecipeManagementMap
             throw new RuntimeException("子物料【" + componentPart + "】未维护编码，不能新增!");
         }
     }
+
+    private String normalizePartNo(String partNo) {
+        return StringUtils.upperCase(StringUtils.trimToEmpty(partNo));
+    }
+
+    private String normalizeAndValidateComponentPart(RecipeComponentEntity data) {
+        if (data == null) {
+            throw new RuntimeException("子物料数据不能为空!");
+        }
+        String normalizedComponentPart = normalizePartNo(data.getComponentPart());
+        if (StringUtils.isBlank(normalizedComponentPart)) {
+            throw new RuntimeException("子物料编码不能为空!");
+        }
+        data.setComponentPart(normalizedComponentPart);
+        return normalizedComponentPart;
+    }
 }