diff --git a/ruoyi-system/src/main/resources/mapper/tyre/BaseCarLifecycleMapper.xml b/ruoyi-system/src/main/resources/mapper/tyre/BaseCarLifecycleMapper.xml
index ed2a67b6..b0d487db 100644
--- a/ruoyi-system/src/main/resources/mapper/tyre/BaseCarLifecycleMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/tyre/BaseCarLifecycleMapper.xml
@@ -58,6 +58,42 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </select>
 
     <select id="selectMountedTyres" parameterType="CarLifecycleQuery" resultType="CarMountedTyreDTO">
+        with mounted_tyre as (
+            select bt.tyre_id,
+                   bt.tyre_no,
+                   bt.self_no,
+                   bt.tyre_epc,
+                   bt.tyre_brand,
+                   bt.tyre_model,
+                   bt.wheel_postion
+            from base_tyre bt
+            where bt.car_no = #{carNo}
+              <!-- 先把当前车辆候选胎收缩到最小集合，后续花纹/报废判断都围绕这个小集合计算。 -->
+              and (bt.tyre_type is null or bt.tyre_type not in ('scrap', '报废'))
+        ),
+        latest_mileage as (
+            select tyre_rfid, pattern_depth
+            from (
+                select rtm.tyre_rfid,
+                       rtm.pattern_depth,
+                       row_number() over (partition by rtm.tyre_rfid order by rtm.create_time desc, rtm.id desc) as rn
+                from record_tyre_mileage rtm
+                    inner join mounted_tyre mt on mt.tyre_epc = rtm.tyre_rfid
+                where rtm.pattern_depth is not null
+                  and rtm.pattern_depth &lt;&gt; ''
+            ) ranked
+            where rn = 1
+        ),
+        scrapped_tyre as (
+            select scrap_detail.tire_id
+            from biz_order_tire_detail scrap_detail
+                inner join mounted_tyre mt on mt.tyre_id = scrap_detail.tire_id
+                inner join biz_maintenance_order scrap_order on scrap_order.order_id = scrap_detail.order_id
+            where scrap_detail.tire_status = '报废'
+              and scrap_order.type_code = '7'
+              and scrap_order.status = 'COMPLETED'
+            group by scrap_detail.tire_id
+        )
         select bt.tyre_id as tyreId,
                bt.tyre_no as tyreNo,
                bt.self_no as selfNo,
@@ -66,19 +102,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                bt.tyre_model as tyreModel,
                bt.wheel_postion as wheelPostion,
                maint.pattern_depth as patternDepth
-        from base_tyre bt
-            left join (
-                select tyre_rfid, pattern_depth
-                from (
-                    select tyre_rfid, pattern_depth,
-                            row_number() over (partition by tyre_rfid order by create_time desc, id desc) as rn
-                    from record_tyre_mileage
-                    where pattern_depth is not null
-                      and pattern_depth &lt;&gt; ''
-                ) ranked
-                where rn = 1
-            ) maint on maint.tyre_rfid = bt.tyre_epc
-        where bt.car_no = #{carNo}
+        from mounted_tyre bt
+            left join latest_mileage maint on maint.tyre_rfid = bt.tyre_epc
+            left join scrapped_tyre on scrapped_tyre.tire_id = bt.tyre_id
+        <!-- 报废集合已限定为当前车辆候选胎，反连接只需判空，不再逐轮位扫描报废明细。 -->
+        where scrapped_tyre.tire_id is null
         order by bt.wheel_postion, bt.tyre_id
     </select>