diff --git a/sgzb-modules/sgzb-material/src/main/resources/mapper/base/MaPartTypeMapper.xml b/sgzb-modules/sgzb-material/src/main/resources/mapper/base/MaPartTypeMapper.xml
index a8e3972..e49ea65 100644
--- a/sgzb-modules/sgzb-material/src/main/resources/mapper/base/MaPartTypeMapper.xml
+++ b/sgzb-modules/sgzb-material/src/main/resources/mapper/base/MaPartTypeMapper.xml
@@ -30,30 +30,30 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 
 
     <insert id="insertMaPartType" parameterType="com.bonus.sgzb.base.mapper.MaPartTypeMapper" useGeneratedKeys="true" keyProperty="paId">
-        insert into ma_part_type(
+        insert into ma_part_type (
         <if test="paId != null and paId != 0">pa_id,</if>
         <if test="paName != null and paName != ''">pa_name,</if>
-        <if test="parentId != null and parentId != 0">parent_id,</if>
+        parent_id,  <!-- 始终插入 parentId -->
         <if test="status != null and status != ''">status,</if>
         <if test="num != null and num != 0">num,</if>
         <if test="unitId != null and unitId != ''">unit_id,</if>
         <if test="buyPrice != null and buyPrice != 0">buy_price,</if>
-        <if test="level != null and level != 0">level,</if>
+        level,  <!-- 始终插入 level -->
         <if test="warnNum != null and warnNum != 0">warn_num,</if>
         <if test="remark != null and remark != ''">remark,</if>
         <if test="createBy != null and createBy != ''">create_by,</if>
         <if test="companyId != null and companyId != ''">company_id,</if>
         create_time
-        )values(
+        ) values (
         <if test="paId != null and paId != 0">#{paId},</if>
         <if test="paName != null and paName != ''">#{paName},</if>
-        <if test="parentId != null and parentId != 0">#{parentId},</if>
+        COALESCE(#{parentId}, 0),  <!-- 如果 parentId 为空，则设置为 0 -->
         <if test="status != null and status != ''">#{status},</if>
-        <if test="num != null and num != ''">#{num},</if>
+        <if test="num != null and num != 0">#{num},</if>
         <if test="unitId != null and unitId != ''">#{unitId},</if>
-        <if test="buyPrice != null and buyPrice != ''">#{buyPrice},</if>
-        <if test="level != null and level != ''">#{level},</if>
-        <if test="warnNum != null and warnNum != ''">#{warnNum},</if>
+        <if test="buyPrice != null and buyPrice != 0">#{buyPrice},</if>
+        COALESCE(#{level}, 1),  <!-- 如果 level 为空，则设置为 1 -->
+        <if test="warnNum != null and warnNum != 0">#{warnNum},</if>
         <if test="remark != null and remark != ''">#{remark},</if>
         <if test="createBy != null and createBy != ''">#{createBy},</if>
         <if test="companyId != null and companyId != ''">#{companyId},</if>