diff --git a/klp-mes/src/main/java/com/klp/mes/qc/service/impl/QcQualityReviewServiceImpl.java b/klp-mes/src/main/java/com/klp/mes/qc/service/impl/QcQualityReviewServiceImpl.java
index edcc61ea0..e0cb81783 100644
--- a/klp-mes/src/main/java/com/klp/mes/qc/service/impl/QcQualityReviewServiceImpl.java
+++ b/klp-mes/src/main/java/com/klp/mes/qc/service/impl/QcQualityReviewServiceImpl.java
@@ -9,10 +9,9 @@ import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.klp.common.core.domain.PageQuery;
 import com.klp.common.core.page.TableDataInfo;
 import com.klp.common.utils.StringUtils;
-import com.klp.domain.WmsCoilQualityRejudge;
 import com.klp.domain.WmsMaterialCoil;
-import com.klp.mapper.WmsCoilQualityRejudgeMapper;
 import com.klp.mapper.WmsMaterialCoilMapper;
+import com.klp.service.IWmsMaterialCoilService;
 import com.klp.mes.qc.domain.QcQualityReview;
 import com.klp.mes.qc.domain.QcQualityReviewCoil;
 import com.klp.mes.qc.domain.QcQualityReviewLog;
@@ -49,7 +48,7 @@ public class QcQualityReviewServiceImpl implements IQcQualityReviewService {
     private final QcQualityReviewCoilMapper coilMapper;
     private final QcQualityReviewLogMapper logMapper;
     private final WmsMaterialCoilMapper wmsMaterialCoilMapper;
-    private final WmsCoilQualityRejudgeMapper wmsCoilQualityRejudgeMapper;
+    private final IWmsMaterialCoilService wmsMaterialCoilService;
 
     /**
      * 查询评审单详情（含钢卷明细和审批日志）
@@ -289,23 +288,15 @@ public class QcQualityReviewServiceImpl implements IQcQualityReviewService {
         }
 
         Date now = new Date();
+        String reason = "异常产品评审改判，评审单号：" + review.getReviewNo();
         for (QcQualityReviewCoil coil : coilList) {
-            // 1. 写入 wms_coil_quality_rejudge 改判记录
-            WmsCoilQualityRejudge rejudge = new WmsCoilQualityRejudge();
-            rejudge.setCoilId(coil.getCoilId());
-            rejudge.setBeforeQuality(coil.getBeforeQuality());
-            rejudge.setAfterQuality(coil.getRegradeQuality());
-            rejudge.setRejudgeReason("异常产品评审改判，评审单号：" + review.getReviewNo());
-            wmsCoilQualityRejudgeMapper.insert(rejudge);
-
-            // 2. 更新钢卷的 qualityStatus 为改判后的值
+            // 1. 通过统一方法更新钢卷质量状态 + 自动记录改判日志
             if (coil.getCoilId() != null && StringUtils.isNotBlank(coil.getRegradeQuality())) {
-                wmsMaterialCoilMapper.update(null, Wrappers.<WmsMaterialCoil>lambdaUpdate()
-                    .eq(WmsMaterialCoil::getCoilId, coil.getCoilId())
-                    .set(WmsMaterialCoil::getQualityStatus, coil.getRegradeQuality()));
+                wmsMaterialCoilService.updateQualityStatus(
+                    coil.getCoilId(), coil.getRegradeQuality(), reason);
             }
 
-            // 3. 更新明细执行状态
+            // 2. 更新明细执行状态
             coilMapper.update(null, Wrappers.<QcQualityReviewCoil>lambdaUpdate()
                 .eq(QcQualityReviewCoil::getDetailId, coil.getDetailId())
                 .set(QcQualityReviewCoil::getExecuteStatus, 1L)
diff --git a/klp-wms/src/main/java/com/klp/service/IWmsMaterialCoilService.java b/klp-wms/src/main/java/com/klp/service/IWmsMaterialCoilService.java
index 0f3d8d9f7..d801dd314 100644
--- a/klp-wms/src/main/java/com/klp/service/IWmsMaterialCoilService.java
+++ b/klp-wms/src/main/java/com/klp/service/IWmsMaterialCoilService.java
@@ -194,6 +194,16 @@ public interface IWmsMaterialCoilService {
      */
     String queryQualityStatusByWarehouseIdAndCurrentCoilNo(Long warehouseId, String currentCoilNo);
 
+    /**
+     * 统一更新钢卷质量状态（自动记录改判日志）
+     * 所有修改 quality_status 的地方都应当通过此方法，确保改判记录完整可追溯
+     *
+     * @param coilId     钢卷ID
+     * @param newQuality 新质量状态
+     * @param reason     变更原因
+     */
+    void updateQualityStatus(Long coilId, String newQuality, String reason);
+
     int exportCoil(@NotEmpty(message = "主键不能为空") Long coilId);
 
 
diff --git a/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java b/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
index 20041efe5..3c80b55df 100644
--- a/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
+++ b/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
@@ -1823,6 +1823,40 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
         return qw;
     }
 
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void updateQualityStatus(Long coilId, String newQuality, String reason) {
+        if (coilId == null || StringUtils.isBlank(newQuality)) {
+            log.warn("updateQualityStatus 参数不足: coilId={}, newQuality={}", coilId, newQuality);
+            return;
+        }
+        // 查询当前钢卷
+        WmsMaterialCoil coil = baseMapper.selectById(coilId);
+        if (coil == null) {
+            throw new RuntimeException("钢卷不存在：" + coilId);
+        }
+        String oldQuality = coil.getQualityStatus();
+        // 状态没变，不处理
+        if (StringUtils.equals(oldQuality, newQuality)) {
+            log.info("钢卷质量状态未变化，跳过: coilId={}, quality={}", coilId, oldQuality);
+            return;
+        }
+        // 1. 更新钢卷质量状态
+        baseMapper.update(null, Wrappers.<WmsMaterialCoil>lambdaUpdate()
+            .eq(WmsMaterialCoil::getCoilId, coilId)
+            .set(WmsMaterialCoil::getQualityStatus, newQuality));
+
+        // 2. 记录改判记录
+        WmsCoilQualityRejudge rejudge = new WmsCoilQualityRejudge();
+        rejudge.setCoilId(coilId);
+        rejudge.setBeforeQuality(oldQuality);
+        rejudge.setAfterQuality(newQuality);
+        rejudge.setRejudgeReason(reason);
+        wmsCoilQualityRejudgeMapper.insert(rejudge);
+
+        log.info("钢卷质量状态变更: coilId={}, {} -> {}, 原因: {}", coilId, oldQuality, newQuality, reason);
+    }
+
     @Override
     public String queryQualityStatusByWarehouseIdAndCurrentCoilNo(Long warehouseId, String currentCoilNo) {
         if (warehouseId == null || StringUtils.isBlank(currentCoilNo)) {