diff --git a/aucma-dms/src/main/java/com/aucma/dms/service/impl/DmsBillsMaintInstanceServiceImpl.java b/aucma-dms/src/main/java/com/aucma/dms/service/impl/DmsBillsMaintInstanceServiceImpl.java
index 8a1c875..699c653 100644
--- a/aucma-dms/src/main/java/com/aucma/dms/service/impl/DmsBillsMaintInstanceServiceImpl.java
+++ b/aucma-dms/src/main/java/com/aucma/dms/service/impl/DmsBillsMaintInstanceServiceImpl.java
@@ -520,8 +520,27 @@ public class DmsBillsMaintInstanceServiceImpl implements IDmsBillsMaintInstanceS
         // 创建保养工单明细项目（所有项目均为已完成状态）
         List<DmsBillsMaintDetail> insertedDetails = dmsBillsMaintDetailMapper.selectDetailList(instance.getMaintInstanceId());
         ArrayList<DmsBillsMaintDetailProject> projectList = new ArrayList<>();
-        for (DmsBillsMaintDetail detail : insertedDetails) {
-            List<DmsBaseMaintProject> projects = dmsBillsMaintDetailMapper.selectPrjectIds(detail.getStationId());
+        if (insertedDetails == null || insertedDetails.isEmpty()) {
+            log.warn("已完成保养工单明细回查为空，跳过项目生成 | planMaintCode={}, maintInstanceId={}",
+                    planMaintCodeS, instance.getMaintInstanceId());
+        }
+        for (DmsBillsMaintDetail detail : insertedDetails == null ? new ArrayList<DmsBillsMaintDetail>() : insertedDetails) {
+            if (detail == null) {
+                continue;
+            }
+            Long stationId = detail.getStationId();
+            if (stationId == null) {
+                // Why：历史数据存在列名不一致导致的部位ID取值失败，定时任务必须降级继续，避免单条脏数据拖垮整批生成。
+                log.warn("保养工单明细缺少保养部位，跳过项目生成 | planMaintCode={}, maintInstanceId={}, billsMaintDetailId={}, deviceId={}",
+                        planMaintCodeS, instance.getMaintInstanceId(), detail.getBillsMaintDetailId(), detail.getDeviceId());
+                continue;
+            }
+            List<DmsBaseMaintProject> projects = dmsBillsMaintDetailMapper.selectPrjectIds(stationId);
+            if (projects == null || projects.isEmpty()) {
+                log.warn("保养部位未配置保养项目，跳过项目生成 | planMaintCode={}, maintInstanceId={}, billsMaintDetailId={}, stationId={}",
+                        planMaintCodeS, instance.getMaintInstanceId(), detail.getBillsMaintDetailId(), stationId);
+                continue;
+            }
             for (DmsBaseMaintProject project : projects) {
                 DmsBillsMaintDetailProject detailProject = new DmsBillsMaintDetailProject();
                 detailProject.setBillsMaintDetailId(detail.getBillsMaintDetailId());
diff --git a/aucma-dms/src/main/resources/mapper/dms/DmsBillsMaintDetailMapper.xml b/aucma-dms/src/main/resources/mapper/dms/DmsBillsMaintDetailMapper.xml
index 92a3223..d778904 100644
--- a/aucma-dms/src/main/resources/mapper/dms/DmsBillsMaintDetailMapper.xml
+++ b/aucma-dms/src/main/resources/mapper/dms/DmsBillsMaintDetailMapper.xml
@@ -31,15 +31,31 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 
 
     <sql id="selectDmsBillsMaintDetailVo">
-        select bills_maint_detail_id, maint_instance_id, device_id, station_id, maint_standard_id, operation_description, maint_status, is_flag, remark, create_by, create_time, update_by, update_time from dms_bills_maint_detail
+        select
+            bills_maint_detail_id,
+            maint_instance_id,
+            machine_id as device_id,
+            maint_station_id as station_id,
+            maint_standard_id,
+            operation_description,
+            maint_status,
+            is_flag,
+            remark,
+            create_by,
+            create_time,
+            update_by,
+            update_time,
+            begin_time,
+            end_time
+        from dms_bills_maint_detail
     </sql>
 
     <select id="selectDmsBillsMaintDetailList" parameterType="DmsBillsMaintDetail" resultMap="DmsBillsMaintDetailResult">
         <include refid="selectDmsBillsMaintDetailVo"/>
         <where>
             <if test="maintInstanceId != null "> and maint_instance_id = #{maintInstanceId}</if>
-            <if test="deviceId != null "> and device_id = #{deviceId}</if>
-            <if test="stationId != null "> and station_id = #{stationId}</if>
+            <if test="deviceId != null "> and machine_id = #{deviceId}</if>
+            <if test="stationId != null "> and maint_station_id = #{stationId}</if>
             <if test="maintStandardId != null "> and maint_standard_id = #{maintStandardId}</if>
             <if test="operationDescription != null  and operationDescription != ''"> and operation_description = #{operationDescription}</if>
             <if test="maintStatus != null "> and maint_status = #{maintStatus}</if>
@@ -60,8 +76,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <trim prefix="(" suffix=")" suffixOverrides=",">
             <if test="billsMaintDetailId != null">bills_maint_detail_id,</if>
             <if test="maintInstanceId != null">maint_instance_id,</if>
-            <if test="deviceId != null">device_id,</if>
-            <if test="stationId != null">station_id,</if>
+            <if test="deviceId != null">machine_id,</if>
+            <if test="stationId != null">maint_station_id,</if>
             <if test="maintStandardId != null">maint_standard_id,</if>
             <if test="operationDescription != null">operation_description,</if>
             <if test="maintStatus != null">maint_status,</if>
@@ -97,8 +113,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         update dms_bills_maint_detail
         <trim prefix="SET" suffixOverrides=",">
             <if test="maintInstanceId != null">maint_instance_id = #{maintInstanceId},</if>
-            <if test="deviceId != null">device_id = #{deviceId},</if>
-            <if test="stationId != null">station_id = #{stationId},</if>
+            <if test="deviceId != null">machine_id = #{deviceId},</if>
+            <if test="stationId != null">maint_station_id = #{stationId},</if>
             <if test="maintStandardId != null">maint_standard_id = #{maintStandardId},</if>
             <if test="operationDescription != null">operation_description = #{operationDescription},</if>
             <if test="maintStatus != null">maint_status = #{maintStatus},</if>
@@ -132,8 +148,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         select
             dbmd.bills_maint_detail_id,
             dbmd.maint_instance_id,
-            dbmd.machine_id,
-            dbmd.maint_station_id,
+            dbmd.machine_id as device_id,
+            dbmd.maint_station_id as station_id,
             dbmd.maint_standard_id,
             dbmd.operation_description,
             dbmd.maint_status,
@@ -164,7 +180,24 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </select>
     <select id="selectDetailList" resultType="com.aucma.dms.domain.DmsBillsMaintDetail"
             parameterType="java.lang.Long">
-        select * from dms_bills_maint_detail where maint_instance_id = #{maintInstanceId}
+        select
+            bills_maint_detail_id,
+            maint_instance_id,
+            machine_id as device_id,
+            maint_station_id as station_id,
+            maint_standard_id,
+            operation_description,
+            maint_status,
+            is_flag,
+            remark,
+            create_by,
+            create_time,
+            update_by,
+            update_time,
+            begin_time,
+            end_time
+        from dms_bills_maint_detail
+        where maint_instance_id = #{maintInstanceId}
     </select>
     <select id="selectMainStation" resultType="com.aucma.dms.domain.DmsBaseMaintStation"
             parameterType="java.lang.Long">