diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/RecordTyreInstallServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/RecordTyreInstallServiceImpl.java
index 21e70ce9..69a9f6d2 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/RecordTyreInstallServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/RecordTyreInstallServiceImpl.java
@@ -127,6 +127,22 @@ public class RecordTyreInstallServiceImpl implements IRecordTyreInstallService
             baseTyre.setTyreNo(recordTyreInstall.getTyreNo());
             int m = baseTyreMapper.updateBaseTyre(baseTyre);
             if (n>0&&m>0){
+                // 装车时插入一条里程快照记录（段里程为0，仅记录装车时刻的累计总里程）
+                Long totalMileage = recordTyreMileageMapper.selectTotalMileageByTyreRfid(recordTyreInstall.getTyreRfid());
+                if (totalMileage == null) {
+                    totalMileage = 0L;
+                }
+                RecordTyreMileage recordTyreMileage = new RecordTyreMileage();
+                recordTyreMileage.setTyreRfid(recordTyreInstall.getTyreRfid());
+                recordTyreMileage.setStartTime(DateUtils.getNowDate());
+                recordTyreMileage.setMileage(totalMileage); // 装车时累计总里程不变
+                recordTyreMileage.setMileageOld(0L); // 装车操作本身不产生行驶里程
+                recordTyreMileage.setPlateNumber(recordTyreInstall.getCarNo());
+                recordTyreMileage.setPatternDepth(recordTyreInstall.getPatternDepth());
+                recordTyreMileage.setRecordType("install"); // 标记为装车记录
+                recordTyreMileage.setCreateTime(DateUtils.getNowDate());
+                recordTyreMileage.setCreateBy(recordTyreInstall.getCreateBy());
+                recordTyreMileageMapper.insertRecordTyreMileage(recordTyreMileage);
                 return AjaxResult.success("安装成功！");
             }
         }catch (Exception e){
@@ -178,6 +194,8 @@ public class RecordTyreInstallServiceImpl implements IRecordTyreInstallService
             recordTyreMileage.setEndTime(DateUtils.getNowDate());
             recordTyreMileage.setMileage(totalMileage + between); // 当前累计总里程
             recordTyreMileage.setMileageOld(between); // 本段行驶里程
+            recordTyreMileage.setPlateNumber(recordTyreInstall.getCarNo()); // 车牌快照
+            recordTyreMileage.setRecordType("uninstall"); // 标记为卸车记录
             recordTyreMileage.setCreateTime(DateUtils.getNowDate());
             recordTyreMileage.setCreateBy(recordTyreInstall.getCreateBy());
             recordTyreMileage.setRecordId(recordId);
diff --git a/ruoyi-system/src/main/resources/mapper/tyre/RecordTyreMileageMapper.xml b/ruoyi-system/src/main/resources/mapper/tyre/RecordTyreMileageMapper.xml
index 45b15660..a9e09cf5 100644
--- a/ruoyi-system/src/main/resources/mapper/tyre/RecordTyreMileageMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/tyre/RecordTyreMileageMapper.xml
@@ -29,6 +29,8 @@
     </sql>
 
     <select id="selectRecordTyreMileageList" parameterType="RecordTyreMileage" resultMap="RecordTyreMileageResult">
+        select rtm.id, rtm.tyre_rfid, rtm.start_time, rtm.end_time, rtm.mileage, rtm.mileage_old, rtm.pattern_depth, rtm.plate_number, rtm.record_id,
+        rtm.create_by, rtm.create_time, rtm.update_by, rtm.update_time, rtm.remark, bt.tyre_brand, bt.tyre_no
         select rtm.id, rtm.tyre_rfid, rtm.start_time, rtm.end_time, rtm.mileage, rtm.mileage_old, rtm.pattern_depth,
         rtm.create_by, rtm.create_time, rtm.update_by, rtm.update_time, rtm.remark,bt.tyre_brand,bt.tyre_no
         select rtm.id, rtm.tyre_rfid, rtm.start_time, rtm.end_time, rtm.mileage, rtm.pattern_depth,