diff --git a/jsowell-pile/src/main/java/com/jsowell/pile/service/impl/OrderBasicInfoServiceImpl.java b/jsowell-pile/src/main/java/com/jsowell/pile/service/impl/OrderBasicInfoServiceImpl.java
index 030840eb5..d953ba674 100644
--- a/jsowell-pile/src/main/java/com/jsowell/pile/service/impl/OrderBasicInfoServiceImpl.java
+++ b/jsowell-pile/src/main/java/com/jsowell/pile/service/impl/OrderBasicInfoServiceImpl.java
@@ -6302,10 +6302,32 @@ public class OrderBasicInfoServiceImpl implements OrderBasicInfoService {
 
         long orderCount = pageInfo.getTotal();
 
-        // 3. 统计总金额（使用聚合 SQL，避免查询所有数据到内存
-        OrderStatisticsVO statistics = orderBasicInfoMapper.countBusinessOrderStatistics(queryOrderDTO);
-        BigDecimal totalOrderAmount = statistics != null && statistics.getOrderAmount() != null
-                ? statistics.getOrderAmount() : BigDecimal.ZERO;
+        // 3. 统计总金额 (分批处理)
+        BigDecimal totalOrderAmount = BigDecimal.ZERO;
+        int batchSize = 500; // 每批最多 500 个站点ID
+        if (stationIdList.size() > batchSize) {
+            // 分批查询统计
+            List<List<String>> batches = Lists.partition(stationIdList, batchSize);
+            for (List<String> batch : batches) {
+                QueryOrderDTO batchDTO = QueryOrderDTO.builder()
+                        .stationIdList(batch)
+                        .startTime(dto.getCreateTime())
+                        .endTime(dto.getEndTime())
+                        .orderStatus(dto.getOrderStatus())
+                        .startMode(dto.getStartMode())
+                        .stationName(dto.getStationName())
+                        .build();
+                OrderStatisticsVO batchStatistics = orderBasicInfoMapper.countBusinessOrderStatistics(batchDTO);
+                if (batchStatistics != null && batchStatistics.getOrderAmount() != null) {
+                    totalOrderAmount = totalOrderAmount.add(batchStatistics.getOrderAmount());
+                }
+            }
+        } else {
+            // 直接查询
+            OrderStatisticsVO statistics = orderBasicInfoMapper.countBusinessOrderStatistics(queryOrderDTO);
+            totalOrderAmount = statistics != null && statistics.getOrderAmount() != null
+                    ? statistics.getOrderAmount() : BigDecimal.ZERO;
+        }
 
         //4. 转换为 BusinessOrderListVO
         List<BusinessOrderListVO> businessOrderList = orderListVOS.stream()
diff --git a/jsowell-pile/src/main/resources/mapper/pile/OrderBasicInfoMapper.xml b/jsowell-pile/src/main/resources/mapper/pile/OrderBasicInfoMapper.xml
index 8ff44cc20..572b53354 100644
--- a/jsowell-pile/src/main/resources/mapper/pile/OrderBasicInfoMapper.xml
+++ b/jsowell-pile/src/main/resources/mapper/pile/OrderBasicInfoMapper.xml
@@ -1934,6 +1934,46 @@
         join pile_station_info t3 on t1.station_id = t3.id and t3.del_flag = '0'
         join order_detail t4 on t4.order_code = t1.order_code and t4.del_flag = '0'
         where t1.del_flag = '0'
+        <!-- 优先使用最严格的过滤条件，减少扫描数据量 -->
+        <if test="stationIdList != null and stationIdList.size() != 0">
+            and t1.station_id in
+            <foreach collection="stationIdList" item="stationId" open="(" separator="," close=")">
+                #{stationId}
+            </foreach>
+        </if>
+        <if test="excludeStationIdList != null and excludeStationIdList.size() != 0">
+            and t1.station_id not in
+            <foreach close=")" collection="excludeStationIdList" item="excludeStationId" open="(" separator=",">
+                #{excludeStationId}
+            </foreach>
+        </if>
+        <if test="startTime != null and startTime != ''">
+            and t1.create_time <![CDATA[ >= ]]> #{startTime,jdbcType=VARCHAR}
+        </if>
+        <if test="endTime != null and endTime != ''">
+            and t1.create_time <![CDATA[ <= ]]> #{endTime,jdbcType=VARCHAR}
+        </if>
+        <if test="orderStatus != null and orderStatus != ''">
+            and t1.order_status = #{orderStatus,jdbcType=VARCHAR}
+        </if>
+        <if test="startMode != null and startMode != ''">
+            and t1.start_mode = #{startMode,jdbcType=VARCHAR}
+        </if>
+        <if test="stationName != null and stationName != ''">
+            and t3.station_name like concat('%', #{stationName,jdbcType=VARCHAR}, '%')
+        </if>
+        <if test="stationDeptIds != null and stationDeptIds.size() != 0">
+            and t3.dept_id in
+            <foreach close=")" collection="stationDeptIds" item="stationDeptId" open="(" separator=",">
+                #{stationDeptId}
+            </foreach>
+        </if>
+        <if test="orderCode != null and orderCode != ''">
+            and t1.order_code = #{orderCode,jdbcType=VARCHAR}
+        </if>
+        <if test="transactionCode != null and transactionCode != ''">
+            and t1.transaction_code = #{transactionCode,jdbcType=VARCHAR}
+        </if>
         <if test="pileSn != null and pileSn != ''">
             and t1.pile_sn = #{pileSn,jdbcType=VARCHAR}
         </if>
@@ -1943,15 +1983,6 @@
         <if test="memberId != null and memberId != ''">
             and t1.member_id = #{memberId,jdbcType=VARCHAR}
         </if>
-        <if test="orderStatus != null and orderStatus != ''">
-            and t1.order_status = #{orderStatus,jdbcType=VARCHAR}
-        </if>
-        <if test="orderCode != null and orderCode != ''">
-            and t1.order_code = #{orderCode,jdbcType=VARCHAR}
-        </if>
-        <if test="transactionCode != null and transactionCode != ''">
-            and t1.transaction_code = #{transactionCode,jdbcType=VARCHAR}
-        </if>
         <if test="mobileNumber != null and mobileNumber != ''">
             and t2.mobile_number = #{mobileNumber,jdbcType=VARCHAR}
         </if>
@@ -1961,12 +1992,6 @@
         <if test="stationId != null and stationId != ''">
             and t1.station_id = #{stationId,jdbcType=VARCHAR}
         </if>
-        <if test="startTime != null and startTime != ''">
-            and t1.create_time <![CDATA[ >= ]]> #{startTime,jdbcType=VARCHAR}
-        </if>
-        <if test="endTime != null and endTime != ''">
-            and t1.create_time <![CDATA[ <= ]]> #{endTime,jdbcType=VARCHAR}
-        </if>
         <if test="startSettleTime != null and startSettleTime != ''">
             and t1.settlement_time <![CDATA[ >= ]]> #{startSettleTime,jdbcType=VARCHAR}
         </if>
@@ -1985,30 +2010,6 @@
         <if test="payMode != null and payMode != ''">
             and t1.pay_mode = #{payMode,jdbcType=VARCHAR}
         </if>
-        <if test="stationDeptIds != null and stationDeptIds.size() != 0">
-            and t3.dept_id in
-            <foreach close=")" collection="stationDeptIds" item="stationDeptId" open="(" separator=",">
-                #{stationDeptId}
-            </foreach>
-        </if>
-        <if test="excludeStationIdList != null and excludeStationIdList.size() != 0">
-            and t1.station_id not in
-            <foreach close=")" collection="excludeStationIdList" item="excludeStationId" open="(" separator=",">
-                #{excludeStationId}
-            </foreach>
-        </if>
-        <if test="stationIdList != null and stationIdList.size() != 0">
-            and t1.station_id in
-            <foreach collection="stationIdList" item="stationId" open="(" separator="," close=")">
-                #{stationId}
-            </foreach>
-        </if>
-        <if test="startMode != null and startMode != ''">
-            and t1.start_mode = #{startMode,jdbcType=VARCHAR}
-        </if>
-        <if test="stationName != null and stationName != ''">
-            and t3.station_name like concat('%', #{stationName,jdbcType=VARCHAR}, '%')
-        </if>
         order by t1.create_time desc
     </select>
 
@@ -2087,62 +2088,53 @@
             resultType="com.jsowell.pile.vo.web.OrderStatisticsVO">
         SELECT
             COUNT(*) AS orderCount,
-            IFNULL(SUM(order_amount), 0) AS orderAmount
-        FROM (
-            SELECT DISTINCT
-                t1.order_code,
-                t1.order_amount
-            FROM order_basic_info t1
-            LEFT JOIN member_basic_info t2
-                ON t1.member_id = t2.member_id
-                AND t2.del_flag = '0'
+            IFNULL(SUM(t1.order_amount), 0) AS orderAmount
+        FROM order_basic_info t1
+        <if test="(stationName != null and stationName != '') or (stationDeptIds != null and stationDeptIds.size() != 0)">
             JOIN pile_station_info t3
                 ON t1.station_id = t3.id
                 AND t3.del_flag = '0'
-            JOIN order_detail t4
-                ON t4.order_code = t1.order_code
-                AND t4.del_flag = '0'
-            WHERE t1.del_flag = '0'
-            <if test="orderStatus != null and orderStatus != ''">
-                AND t1.order_status = #{orderStatus,jdbcType=VARCHAR}
-            </if>
-            <if test="merchantId != null and merchantId != ''">
-                AND t1.merchant_id = #{merchantId,jdbcType=VARCHAR}
-            </if>
-            <if test="stationId != null and stationId != ''">
-                AND t1.station_id = #{stationId,jdbcType=VARCHAR}
-            </if>
-            <if test="startTime != null and startTime != ''">
-                AND t1.create_time <![CDATA[ >= ]]> #{startTime,jdbcType=VARCHAR}
-            </if>
-            <if test="endTime != null and endTime != ''">
-                AND t1.create_time <![CDATA[ <= ]]> #{endTime,jdbcType=VARCHAR}
-            </if>
-            <if test="stationIdList != null and stationIdList.size() != 0">
-                AND t1.station_id IN
-                <foreach collection="stationIdList" item="stationId" open="(" separator="," close=")">
-                    #{stationId}
-                </foreach>
-            </if>
-            <if test="startMode != null and startMode != ''">
-                AND t1.start_mode = #{startMode,jdbcType=VARCHAR}
-            </if>
-            <if test="stationName != null and stationName != ''">
-                AND t3.station_name LIKE CONCAT('%', #{stationName,jdbcType=VARCHAR}, '%')
-            </if>
-            <if test="stationDeptIds != null and stationDeptIds.size() != 0">
-                AND t3.dept_id IN
-                <foreach collection="stationDeptIds" item="stationDeptId" open="(" separator="," close=")">
-                    #{stationDeptId}
-                </foreach>
-            </if>
-            <if test="excludeStationIdList != null and excludeStationIdList.size() != 0">
-                AND t1.station_id NOT IN
-                <foreach collection="excludeStationIdList" item="excludeStationId" open="(" separator="," close=")">
-                    #{excludeStationId}
-                </foreach>
-            </if>
-        ) AS temp
+        </if>
+        WHERE t1.del_flag = '0'
+        <if test="stationIdList != null and stationIdList.size() != 0">
+            AND t1.station_id IN
+            <foreach collection="stationIdList" item="stationId" open="(" separator="," close=")">
+                #{stationId}
+            </foreach>
+        </if>
+        <if test="excludeStationIdList != null and excludeStationIdList.size() != 0">
+            AND t1.station_id NOT IN
+            <foreach collection="excludeStationIdList" item="excludeStationId" open="(" separator="," close=")">
+                #{excludeStationId}
+            </foreach>
+        </if>
+        <if test="orderStatus != null and orderStatus != ''">
+            AND t1.order_status = #{orderStatus,jdbcType=VARCHAR}
+        </if>
+        <if test="startMode != null and startMode != ''">
+            AND t1.start_mode = #{startMode,jdbcType=VARCHAR}
+        </if>
+        <if test="startTime != null and startTime != ''">
+            AND t1.create_time <![CDATA[ >= ]]> #{startTime,jdbcType=VARCHAR}
+        </if>
+        <if test="endTime != null and endTime != ''">
+            AND t1.create_time <![CDATA[ <= ]]> #{endTime,jdbcType=VARCHAR}
+        </if>
+        <if test="merchantId != null and merchantId != ''">
+            AND t1.merchant_id = #{merchantId,jdbcType=VARCHAR}
+        </if>
+        <if test="stationId != null and stationId != ''">
+            AND t1.station_id = #{stationId,jdbcType=VARCHAR}
+        </if>
+        <if test="stationName != null and stationName != ''">
+            AND t3.station_name LIKE CONCAT('%', #{stationName,jdbcType=VARCHAR}, '%')
+        </if>
+        <if test="stationDeptIds != null and stationDeptIds.size() != 0">
+            AND t3.dept_id IN
+            <foreach collection="stationDeptIds" item="stationDeptId" open="(" separator="," close=")">
+                #{stationDeptId}
+            </foreach>
+        </if>
     </select>
 
     <select id="selectOrderBasicInfoById" parameterType="Long" resultMap="OrderBasicInfoOrderDetailResult">