diff --git a/klp-wms/src/main/java/com/klp/mapper/WmsMaterialCoilMapper.java b/klp-wms/src/main/java/com/klp/mapper/WmsMaterialCoilMapper.java
index ddb0f0de..339f5531 100644
--- a/klp-wms/src/main/java/com/klp/mapper/WmsMaterialCoilMapper.java
+++ b/klp-wms/src/main/java/com/klp/mapper/WmsMaterialCoilMapper.java
@@ -131,6 +131,14 @@ public interface WmsMaterialCoilMapper extends BaseMapperPlus<WmsMaterialCoilMap
      */
     Map<String, Object> selectStatistics(@Param("ew") QueryWrapper<WmsMaterialCoil> qw);
 
+    /**
+     * 统计已发货钢卷的平均囤积周期和平均囤积成本
+     * 使用JSON_EXTRACT解析二维码steps[0].create_time，一次SQL完成聚合
+     * @param qw 查询条件（与buildQueryWrapperPlus一致）
+     * @return Map包含total_count, avg_hoarding_days, avg_hoarding_cost
+     */
+    Map<String, Object> selectHoardingStatistics(@Param("ew") QueryWrapper<WmsMaterialCoil> qw);
+
     /**
      * 统计仓库使用次数（按warehouse_id出现次数排序）
      *
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 03347c6d..2076819d 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
@@ -484,6 +484,34 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
         return selectMaterialCoilStatistics(qw);
     }
 
+    /**
+     * 统计已发货钢卷的平均囤积周期和平均囤积成本
+     * 一次SQL完成聚合，高性能
+     */
+    @Override
+    public Map<String, Object> getHoardingStatistics(WmsMaterialCoilBo bo) {
+        QueryWrapper<WmsMaterialCoil> qw = buildQueryWrapperPlus(bo);
+        qw.isNotNull("mc.export_time");
+
+        Map<String, Object> stats = baseMapper.selectHoardingStatistics(qw);
+
+        Map<String, Object> result = new HashMap<>();
+        if (stats != null) {
+            Object count = stats.get("total_count");
+            Object avgDays = stats.get("avg_hoarding_days");
+            Object avgCost = stats.get("avg_hoarding_cost");
+            result.put("totalCount", count != null ? new BigDecimal(count.toString()) : BigDecimal.ZERO);
+            result.put("avgHoardingDays", avgDays != null ? new BigDecimal(avgDays.toString()).setScale(2, RoundingMode.HALF_UP) : BigDecimal.ZERO.setScale(2, RoundingMode.HALF_UP));
+            result.put("avgHoardingCost", avgCost != null ? new BigDecimal(avgCost.toString()).setScale(2, RoundingMode.HALF_UP) : BigDecimal.ZERO.setScale(2, RoundingMode.HALF_UP));
+        } else {
+            result.put("totalCount", BigDecimal.ZERO);
+            result.put("avgHoardingDays", BigDecimal.ZERO.setScale(2, RoundingMode.HALF_UP));
+            result.put("avgHoardingCost", BigDecimal.ZERO.setScale(2, RoundingMode.HALF_UP));
+        }
+
+        return result;
+    }
+
     private Page<WmsMaterialCoilVo> queryMaterialCoilPage(WmsMaterialCoilBo bo, PageQuery pageQuery) {
         QueryWrapper<WmsMaterialCoil> qw = buildQueryWrapperPlus(bo);
         Page<WmsMaterialCoilVo> result;
@@ -5862,123 +5890,6 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
      *         - totalCount: 符合条件的钢卷总数
      */
     @Override
-    public Map<String, Object> getHoardingStatistics(WmsMaterialCoilBo bo) {
-        // 构建查询条件
-        QueryWrapper<WmsMaterialCoil> qw = buildQueryWrapperPlus(bo);
-
-        // 查询符合条件的钢卷列表
-        List<WmsMaterialCoilVo> list = baseMapper.selectVoListWithDynamicJoin(qw);
-
-        // 初始化返回结果，设置默认值
-        Map<String, Object> result = new HashMap<>();
-        result.put("avgHoardingDays", BigDecimal.ZERO.setScale(2, RoundingMode.HALF_UP));
-        result.put("avgHoardingCost", BigDecimal.ZERO.setScale(2, RoundingMode.HALF_UP));
-        result.put("totalCount", 0);
-
-        // 如果没有钢卷数据，直接返回默认值
-        if (list == null || list.isEmpty()) {
-            return result;
-        }
-
-        // 收集所有钢卷的二维码记录ID，用于批量查询二维码信息
-        Set<Long> qrcodeIds = list.stream()
-            .map(WmsMaterialCoilVo::getQrcodeRecordId)
-            .filter(Objects::nonNull)
-            .collect(Collectors.toSet());
-
-        // 批量查询二维码记录，建立ID到二维码对象的映射
-        Map<Long, WmsGenerateRecordVo> qrcodeMap = new HashMap<>();
-        if (!qrcodeIds.isEmpty()) {
-            List<WmsGenerateRecordVo> qrcodeList = generateRecordMapper.selectVoBatchIds(new ArrayList<>(qrcodeIds));
-            if (qrcodeList != null) {
-                for (WmsGenerateRecordVo qrcode : qrcodeList) {
-                    if (qrcode != null && qrcode.getRecordId() != null) {
-                        qrcodeMap.put(qrcode.getRecordId(), qrcode);
-                    }
-                }
-            }
-        }
-
-        // 初始化统计变量
-        ObjectMapper objectMapper = new ObjectMapper();
-        BigDecimal totalHoardingDays = BigDecimal.ZERO;
-        BigDecimal totalHoardingCost = BigDecimal.ZERO;
-        int validCount = 0;
-
-        // 遍历每个钢卷，计算囤积天数和成本
-        for (WmsMaterialCoilVo vo : list) {
-            Date exportTime = vo.getExportTime();
-            if (exportTime == null) {
-                exportTime = vo.getUpdateTime(); // 没有发货时间则用更新时间
-            }
-            Long qrcodeRecordId = vo.getQrcodeRecordId();
-            if (qrcodeRecordId == null) {
-                continue; // 没有二维码记录，跳过
-            }
-
-            WmsGenerateRecordVo qrcode = qrcodeMap.get(qrcodeRecordId);
-            if (qrcode == null) {
-                continue; // 二维码记录不存在，跳过
-            }
-
-            try {
-                // 解析二维码内容，获取操作步骤
-                @SuppressWarnings("unchecked")
-                Map<String, Object> contentMap = objectMapper.readValue(qrcode.getContent(), Map.class);
-                @SuppressWarnings("unchecked")
-                List<Map<String, Object>> steps = (List<Map<String, Object>>) contentMap.get("steps");
-                if (steps == null || steps.isEmpty()) {
-                    continue; // 没有操作步骤，跳过
-                }
-
-                // 获取第一步操作的时间（钢卷创建时间）
-                Object createTimeObj = steps.get(0).get("create_time");
-                if (createTimeObj == null) {
-                    continue; // 没有创建时间，跳过
-                }
-
-                Date firstCreateTime = parseDateFromObject(createTimeObj);
-                if (firstCreateTime == null) {
-                    continue; // 时间解析失败，跳过
-                }
-
-                // 计算囤积天数：发货时间 - 创建时间
-                long diffMs = exportTime.getTime() - firstCreateTime.getTime();
-                BigDecimal days = BigDecimal.valueOf(diffMs)
-                    .divide(BigDecimal.valueOf(1000L * 60 * 60 * 24), 2, RoundingMode.HALF_UP);
-
-                totalHoardingDays = totalHoardingDays.add(days);
-
-                // 计算囤积成本：囤积天数 × 钢卷净重
-                BigDecimal netWeight = vo.getNetWeight() != null ? vo.getNetWeight() : BigDecimal.ZERO;
-                BigDecimal cost = days.multiply(netWeight);
-                totalHoardingCost = totalHoardingCost.add(cost);
-
-                validCount++; // 有效数据计数
-            } catch (Exception e) {
-                log.warn("计算囤积统计时解析二维码失败, coilId={}", vo.getCoilId(), e);
-            }
-        }
-
-        // 计算平均值
-        if (validCount > 0) {
-            result.put("avgHoardingDays", totalHoardingDays.divide(BigDecimal.valueOf(validCount), 2, RoundingMode.HALF_UP));
-            result.put("avgHoardingCost", totalHoardingCost.divide(BigDecimal.valueOf(validCount), 2, RoundingMode.HALF_UP));
-            result.put("totalCount", validCount);
-        }
-
-        return result;
-    }
-
-    /**
-     * 查询分页列表并填充二维码记录
-     * 在普通分页查询的基础上，额外填充每个钢卷的二维码详细信息
-     *
-     * @param bo 查询条件对象
-     * @param pageQuery 分页查询参数
-     * @return 包含二维码信息的分页结果
-     */
-    @Override
     public TableDataInfo<WmsMaterialCoilVo> queryPageListWithQrcode(WmsMaterialCoilBo bo, PageQuery pageQuery) {
         // 先执行普通分页查询
         TableDataInfo<WmsMaterialCoilVo> result = queryPageList(bo, pageQuery);
diff --git a/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml b/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml
index 3c19110b..eabda867 100644
--- a/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml
+++ b/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml
@@ -984,6 +984,39 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         ${ew.customSqlSegment}
     </select>
 
+    <!-- 统计已发货钢卷的囤积周期和囤积成本：在selectStatistics基础上JOIN二维码表，解析steps[0].create_time -->
+    <select id="selectHoardingStatistics" resultType="java.util.Map">
+        SELECT
+            COUNT(*) AS total_count,
+            ROUND(AVG(hoarding_seconds / 86400), 2) AS avg_hoarding_days,
+            ROUND(AVG(hoarding_seconds / 86400 * net_weight), 2) AS avg_hoarding_cost
+        FROM (
+            SELECT
+                IFNULL(mc.net_weight, 0) AS net_weight,
+                TIMESTAMPDIFF(SECOND,
+                    FROM_UNIXTIME(JSON_EXTRACT(wgr.content, '$.steps[0].create_time') / 1000),
+                    COALESCE(mc.export_time, mc.update_time)
+                ) AS hoarding_seconds
+            FROM wms_material_coil mc
+            INNER JOIN wms_generate_record wgr ON mc.qrcode_record_id = wgr.record_id
+                AND JSON_EXTRACT(wgr.content, '$.steps[0].create_time') IS NOT NULL
+            LEFT JOIN wms_warehouse w ON mc.warehouse_id = w.warehouse_id
+            LEFT JOIN wms_warehouse nw ON mc.next_warehouse_id = nw.warehouse_id
+            LEFT JOIN wms_actual_warehouse aw ON mc.actual_warehouse_id = aw.actual_warehouse_id
+            LEFT JOIN sys_user su ON mc.sale_id = su.user_id
+            LEFT JOIN wms_raw_material rm ON mc.item_type = 'raw_material' AND mc.item_id = rm.raw_material_id
+            LEFT JOIN wms_product p ON mc.item_type = 'product' AND mc.item_id = p.product_id
+            LEFT JOIN (
+                SELECT coil_id, COUNT(*) AS abnormal_count
+                FROM wms_coil_abnormal
+                WHERE del_flag = 0
+                GROUP BY coil_id
+            ) ca ON mc.coil_id = ca.coil_id
+            ${ew.customSqlSegment}
+        ) t
+        WHERE t.hoarding_seconds > 0
+    </select>
+
     <!-- 统计仓库使用次数（按warehouse_id出现次数排序） -->
     <select id="selectWarehouseIdCount" resultType="java.util.Map">
         SELECT warehouse_id, COUNT(*) AS coil_count