diff --git a/ruoyi-admin/src/main/resources/mapper/erp/ErpBomMapper.xml b/ruoyi-admin/src/main/resources/mapper/erp/ErpBomMapper.xml
index d65d8d45..6b1c76ce 100644
--- a/ruoyi-admin/src/main/resources/mapper/erp/ErpBomMapper.xml
+++ b/ruoyi-admin/src/main/resources/mapper/erp/ErpBomMapper.xml
@@ -351,7 +351,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         </foreach>
     </select>
     <select id="selectBomByBomNo" resultMap="ErpBomResult">
-        select * from erp_bom where bom_no = #{bomNo}
+        select * from erp_bom where bom_no = #{bomNo} and `level` = 0
     </select>
 
     <select id="selectErpBomByOneMaterialNo" parameterType="String" resultMap="ErpBomResult">