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 e416fc14..25808ce0 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
@@ -700,6 +700,11 @@ public class BomManagementServiceImpl extends ServiceImpl<BomManagementMapper, B
         if (componentPartList.isEmpty()) {
             throw new RuntimeException("请先维护子物料！");
         }
+        // 校验子件的单位用量不能为0
+        boolean b = componentPartList.stream().anyMatch(a -> (a.getQtyPerAssembly() == null || a.getQtyPerAssembly().equals(BigDecimal.ZERO)));
+        if (b) {
+            throw new RuntimeException("子件单位用量不能为0！");
+        }
         HashMap<String, Object> map = new HashMap<>();
         // 查出Bom替代的当前状态
         List<BomDetailEntity> checkList = bomManagementMapper.checkBomDetailOnlyOne(data);
diff --git a/src/main/resources/mapper/part/BomManagementMapper.xml b/src/main/resources/mapper/part/BomManagementMapper.xml
index f56122ea..916747c9 100644
--- a/src/main/resources/mapper/part/BomManagementMapper.xml
+++ b/src/main/resources/mapper/part/BomManagementMapper.xml
@@ -543,7 +543,8 @@
             eng_chg_level,
             bom_type,
             alternative_no,
-            component_part
+            component_part,
+            qty_per_assembly
         FROM plm_bom_component
         WHERE site = #{site} and part_no = #{partNo} and eng_chg_level = #{engChgLevel} and bom_type = #{bomType} and alternative_no = #{alternativeNo}
     </select>