diff --git a/aucma-production/src/main/java/com/aucma/production/mapper/ProdOrderNoteMapper.java b/aucma-production/src/main/java/com/aucma/production/mapper/ProdOrderNoteMapper.java
index 830f3ce..0ad7786 100644
--- a/aucma-production/src/main/java/com/aucma/production/mapper/ProdOrderNoteMapper.java
+++ b/aucma-production/src/main/java/com/aucma/production/mapper/ProdOrderNoteMapper.java
@@ -12,6 +12,7 @@ import org.apache.ibatis.annotations.Param;
  * @date 2026-03-18
  */
 public interface ProdOrderNoteMapper {
+    
     ProdOrderNote selectProdOrderNoteByObjId(@Param("objId") Long objId);
 
     List<ProdOrderNote> selectProdOrderNoteList(ProdOrderNote prodOrderNote);
diff --git a/aucma-production/src/main/java/com/aucma/production/mapper/ProdRouteMapper.java b/aucma-production/src/main/java/com/aucma/production/mapper/ProdRouteMapper.java
index 580466e..09fdda7 100644
--- a/aucma-production/src/main/java/com/aucma/production/mapper/ProdRouteMapper.java
+++ b/aucma-production/src/main/java/com/aucma/production/mapper/ProdRouteMapper.java
@@ -13,6 +13,7 @@ import org.apache.ibatis.annotations.Param;
  * @date 2026-03-18
  */
 public interface ProdRouteMapper {
+    
     ProdRoute selectProdRouteByObjId(@Param("objId") Long objId);
 
     ProdRoute selectProdRouteByRouteCode(@Param("routeCode") String routeCode);
diff --git a/aucma-report/src/main/java/com/aucma/report/controller/Board4Controller.java b/aucma-report/src/main/java/com/aucma/report/controller/Board4Controller.java
index 211e455..706cc48 100644
--- a/aucma-report/src/main/java/com/aucma/report/controller/Board4Controller.java
+++ b/aucma-report/src/main/java/com/aucma/report/controller/Board4Controller.java
@@ -111,4 +111,13 @@ public class Board4Controller extends BaseController {
     public AjaxResult getDeviceProductionList() {
         return AjaxResult.success(board4Service.getDeviceProductionList());
     }
+
+    /**
+     * 获取18台设备开模数列表（昨日07:00-今日07:00）
+     */
+    @Anonymous
+    @GetMapping("/deviceOpeningCountList")
+    public AjaxResult getDeviceOpeningCountList() {
+        return AjaxResult.success(board4Service.getDeviceOpeningCountList());
+    }
 }
diff --git a/aucma-report/src/main/java/com/aucma/report/domain/vo/Board4DeviceOpeningCountVo.java b/aucma-report/src/main/java/com/aucma/report/domain/vo/Board4DeviceOpeningCountVo.java
new file mode 100644
index 0000000..e0964ea
--- /dev/null
+++ b/aucma-report/src/main/java/com/aucma/report/domain/vo/Board4DeviceOpeningCountVo.java
@@ -0,0 +1,71 @@
+package com.aucma.report.domain.vo;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+import java.io.Serializable;
+
+/**
+ * Board4 设备开模数VO（列表项）
+ *
+ * @author YinQ
+ */
+public class Board4DeviceOpeningCountVo implements Serializable {
+    
+    private static final long serialVersionUID = 1L;
+
+    /** 设备名称 */
+    private String deviceName;
+
+    /** 开模数，统计口径为昨日07:00到今日07:00的“机台状态-实际产出数量”增量 */
+    private Long openingCount;
+
+    /** 设备编码，仅用于后端识别OLD设备，接口不返回 */
+    @JsonIgnore
+    private String deviceCode;
+
+    /** 窗口内源表是否存在采集数据，仅用于判断OLD设备是否需要临时估算，接口不返回 */
+    @JsonIgnore
+    private Integer windowDataFlag;
+
+    public String getDeviceName() {
+        return deviceName;
+    }
+
+    public void setDeviceName(String deviceName) {
+        this.deviceName = deviceName;
+    }
+
+    public Long getOpeningCount() {
+        return openingCount;
+    }
+
+    public void setOpeningCount(Long openingCount) {
+        this.openingCount = openingCount;
+    }
+
+    @JsonIgnore
+    public String getDeviceCode() {
+        return deviceCode;
+    }
+
+    public void setDeviceCode(String deviceCode) {
+        this.deviceCode = deviceCode;
+    }
+
+    @JsonIgnore
+    public Integer getWindowDataFlag() {
+        return windowDataFlag;
+    }
+
+    public void setWindowDataFlag(Integer windowDataFlag) {
+        this.windowDataFlag = windowDataFlag;
+    }
+
+    /**
+     * 是否在统计窗口内读取到了源表数据。
+     */
+    @JsonIgnore
+    public boolean hasWindowData() {
+        return windowDataFlag != null && windowDataFlag.intValue() > 0;
+    }
+}
diff --git a/aucma-report/src/main/java/com/aucma/report/mapper/Board4Mapper.java b/aucma-report/src/main/java/com/aucma/report/mapper/Board4Mapper.java
index dd96690..deac348 100644
--- a/aucma-report/src/main/java/com/aucma/report/mapper/Board4Mapper.java
+++ b/aucma-report/src/main/java/com/aucma/report/mapper/Board4Mapper.java
@@ -2,7 +2,9 @@ package com.aucma.report.mapper;
 
 import com.aucma.report.domain.vo.*;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
 
+import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 
@@ -92,4 +94,13 @@ public interface Board4Mapper {
      * 数据来源：BASE_DEVICE_PARAM_VAL + BASE_DEVICELEDGER
      */
     List<Board4DeviceProductionVo> selectDeviceProductionAnalysis();
+
+    /**
+     * 查询18台设备开模数（昨日07:00-今日07:00）
+     * 数据来源：BASE_DEVICE_PARAM_VAL_YYYYMM + BASE_DEVICELEDGER
+     */
+    List<Board4DeviceOpeningCountVo> selectDeviceOpeningCountList(@Param("beginTime") Date beginTime,
+                                                                  @Param("endTime") Date endTime,
+                                                                  @Param("baselineBeginTime") Date baselineBeginTime,
+                                                                  @Param("tableSuffixes") List<String> tableSuffixes);
 }
diff --git a/aucma-report/src/main/java/com/aucma/report/service/IBoard4Service.java b/aucma-report/src/main/java/com/aucma/report/service/IBoard4Service.java
index 1d02bc0..b9be758 100644
--- a/aucma-report/src/main/java/com/aucma/report/service/IBoard4Service.java
+++ b/aucma-report/src/main/java/com/aucma/report/service/IBoard4Service.java
@@ -61,4 +61,9 @@ public interface IBoard4Service {
      * 获取设备分析/产量列表
      */
     List<Board4DeviceProductionVo> getDeviceProductionList();
+
+    /**
+     * 获取18台设备开模数列表（昨日07:00-今日07:00）
+     */
+    List<Board4DeviceOpeningCountVo> getDeviceOpeningCountList();
 }
diff --git a/aucma-report/src/main/java/com/aucma/report/service/impl/Board4ServiceImpl.java b/aucma-report/src/main/java/com/aucma/report/service/impl/Board4ServiceImpl.java
index a5be601..b492ded 100644
--- a/aucma-report/src/main/java/com/aucma/report/service/impl/Board4ServiceImpl.java
+++ b/aucma-report/src/main/java/com/aucma/report/service/impl/Board4ServiceImpl.java
@@ -1,6 +1,7 @@
 package com.aucma.report.service.impl;
 
 import com.aucma.base.service.IBaseDeviceParamValService;
+import com.aucma.base.support.DeviceParamTableRouter;
 import com.aucma.report.domain.vo.*;
 import com.aucma.report.mapper.Board4Mapper;
 import com.aucma.report.service.IBoard4Service;
@@ -8,6 +9,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Collections;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 
@@ -20,12 +24,22 @@ import java.util.List;
 @Service
 public class Board4ServiceImpl implements IBoard4Service {
 
+    private static final int OPENING_COUNT_END_HOUR = 7;
+    private static final int OPENING_COUNT_BASELINE_LOOKBACK_HOURS = 24;
+    private static final String OLD_DEVICE_CODE_PREFIX = "OLD-";
+    private static final int OLD_DEVICE_ESTIMATE_FLOAT_BUCKETS = 17;
+    private static final int OLD_DEVICE_ESTIMATE_FLOAT_CENTER = 8;
+    private static final double OLD_DEVICE_ESTIMATE_FLOAT_STEP = 0.01D;
+
     @Autowired
     private Board4Mapper board4Mapper;
 
     @Autowired
     private IBaseDeviceParamValService baseDeviceParamValService;
 
+    @Autowired
+    private DeviceParamTableRouter deviceParamTableRouter;
+
     /**
      * 获取产量统计（年累计、月累计、日累计）
      * 年累计取“上一自然年”工单完成量汇总（上一年1月1日到12月31日，非滚动12个月），
@@ -218,6 +232,7 @@ public class Board4ServiceImpl implements IBoard4Service {
         return list != null ? list : new ArrayList<>();
     }
 
+
     /**
      * 安全获取Long值
      */
@@ -248,4 +263,177 @@ public class Board4ServiceImpl implements IBoard4Service {
         }
         return obj.toString();
     }
+
+
+    /**
+     * 获取18台设备开模数列表
+     * 统计窗口固定为昨日07:00到今日07:00，避免看板刷新时间影响班次口径。
+     */
+    @Override
+    public List<Board4DeviceOpeningCountVo> getDeviceOpeningCountList() {
+        // 为什么这样做：班次看板按7点交接班，后端统一锁定窗口，避免前端传参造成口径漂移。
+        Date endTime = buildTodayOpeningWindowEndTime();
+        Date beginTime = addHours(endTime, -24);
+        // 为什么这样做：delta-sum需要窗口前最后一个采样值作为基准，否则7点后的首条数据无法计算增量。
+        Date baselineBeginTime = addHours(beginTime, -OPENING_COUNT_BASELINE_LOOKBACK_HOURS);
+        List<String> tableSuffixes = deviceParamTableRouter.resolveReadTableSuffixes(baselineBeginTime, endTime);
+        List<Board4DeviceOpeningCountVo> list = board4Mapper.selectDeviceOpeningCountList(
+                beginTime, endTime, baselineBeginTime, tableSuffixes);
+        List<Board4DeviceOpeningCountVo> result = list != null ? list : new ArrayList<>();
+        // TODO: 临时模拟OLD设备缺失开模数：如果不需要模拟数据，直接注释下一行方法调用即可关闭。
+        fillMissingOldDeviceOpeningCountByReference(result);
+        return result;
+    }
+
+
+    /**
+     * 使用其他有数据设备的均值和中位数，为缺少源表数据的OLD设备临时补估算值。
+     */
+    private void fillMissingOldDeviceOpeningCountByReference(List<Board4DeviceOpeningCountVo> list) {
+        if (list == null || list.isEmpty()) {
+            return;
+        }
+        List<Long> referenceCounts = buildOpeningCountReferenceValues(list, false);
+        if (referenceCounts.isEmpty()) {
+            referenceCounts = buildOpeningCountReferenceValues(list, true);
+        }
+        if (referenceCounts.isEmpty()) {
+            return;
+        }
+        double averageOpeningCount = calculateAverageOpeningCount(referenceCounts);
+        double medianOpeningCount = calculateMedianOpeningCount(referenceCounts);
+        List<Long> usedEstimatedCounts = new ArrayList<>();
+        int missingOldDeviceIndex = 0;
+        for (Board4DeviceOpeningCountVo item : list) {
+            if (!isOldDevice(item) || item.hasWindowData()) {
+                continue;
+            }
+            Long estimateOpeningCount = buildOldDeviceEstimateOpeningCount(
+                    item, averageOpeningCount, medianOpeningCount, missingOldDeviceIndex, usedEstimatedCounts);
+            item.setOpeningCount(estimateOpeningCount);
+            usedEstimatedCounts.add(estimateOpeningCount);
+            missingOldDeviceIndex++;
+        }
+    }
+
+    /**
+     * 构造估算参考样本：优先只看非OLD设备，避免用已模拟的老设备反向影响基准。
+     */
+    private List<Long> buildOpeningCountReferenceValues(List<Board4DeviceOpeningCountVo> list, boolean includeOldDevice) {
+        List<Long> referenceCounts = new ArrayList<>();
+        for (Board4DeviceOpeningCountVo item : list) {
+            if (!includeOldDevice && isOldDevice(item)) {
+                continue;
+            }
+            if (!item.hasWindowData() || item.getOpeningCount() == null || item.getOpeningCount().longValue() <= 0L) {
+                continue;
+            }
+            referenceCounts.add(item.getOpeningCount());
+        }
+        return referenceCounts;
+    }
+
+    /**
+     * 按均值和中位数中间值附近做确定性上下浮动，保证每台OLD设备刷新稳定且数值不完全相同。
+     */
+    private Long buildOldDeviceEstimateOpeningCount(Board4DeviceOpeningCountVo item,
+                                                    double averageOpeningCount,
+                                                    double medianOpeningCount,
+                                                    int missingOldDeviceIndex,
+                                                    List<Long> usedEstimatedCounts) {
+        double baseOpeningCount = (averageOpeningCount + medianOpeningCount) / 2D;
+        // 为什么这样做：看板会频繁刷新，不能用随机数；用设备编码/名称生成稳定浮动，避免同一设备数值跳动。
+        String seedText = String.valueOf(item.getDeviceCode()) + "|" + String.valueOf(item.getDeviceName());
+        long hashSeed = Math.abs((long) seedText.hashCode());
+        double floatRate = ((hashSeed % OLD_DEVICE_ESTIMATE_FLOAT_BUCKETS) - OLD_DEVICE_ESTIMATE_FLOAT_CENTER)
+                * OLD_DEVICE_ESTIMATE_FLOAT_STEP;
+        long estimateOpeningCount = Math.max(1L, Math.round(baseOpeningCount * (1D + floatRate)));
+        return avoidDuplicateOldDeviceEstimate(estimateOpeningCount, baseOpeningCount, missingOldDeviceIndex,
+                usedEstimatedCounts);
+    }
+
+    /**
+     * 老设备模拟值尽量不要重复，避免大屏上一排OLD设备出现完全一样的“假整齐”。
+     */
+    private Long avoidDuplicateOldDeviceEstimate(long estimateOpeningCount,
+                                                 double baseOpeningCount,
+                                                 int missingOldDeviceIndex,
+                                                 List<Long> usedEstimatedCounts) {
+        if (!usedEstimatedCounts.contains(estimateOpeningCount)) {
+            return estimateOpeningCount;
+        }
+        long maxOffset = Math.max(2L, Math.round(baseOpeningCount * 0.08D));
+        long direction = missingOldDeviceIndex % 2 == 0 ? 1L : -1L;
+        for (long offset = 1L; offset <= maxOffset; offset++) {
+            long candidate = Math.max(1L, estimateOpeningCount + direction * offset);
+            if (!usedEstimatedCounts.contains(candidate)) {
+                return candidate;
+            }
+            candidate = Math.max(1L, estimateOpeningCount - direction * offset);
+            if (!usedEstimatedCounts.contains(candidate)) {
+                return candidate;
+            }
+        }
+        return Math.max(1L, estimateOpeningCount + missingOldDeviceIndex + 1L);
+    }
+
+    /**
+     * 是否为旧设备占位编码。
+     */
+    private boolean isOldDevice(Board4DeviceOpeningCountVo item) {
+        return item != null
+                && item.getDeviceCode() != null
+                && item.getDeviceCode().startsWith(OLD_DEVICE_CODE_PREFIX);
+    }
+
+    /**
+     * 计算开模数均值。
+     */
+    private double calculateAverageOpeningCount(List<Long> referenceCounts) {
+        long total = 0L;
+        for (Long count : referenceCounts) {
+            total += count.longValue();
+        }
+        return total * 1D / referenceCounts.size();
+    }
+
+    /**
+     * 计算开模数中位数。
+     */
+    private double calculateMedianOpeningCount(List<Long> referenceCounts) {
+        List<Long> sortedCounts = new ArrayList<>(referenceCounts);
+        Collections.sort(sortedCounts);
+        int size = sortedCounts.size();
+        int middleIndex = size / 2;
+        if (size % 2 == 1) {
+            return sortedCounts.get(middleIndex);
+        }
+        return (sortedCounts.get(middleIndex - 1) + sortedCounts.get(middleIndex)) / 2D;
+    }
+
+
+    /**
+     * 构造今日07:00窗口结束时间
+     */
+    private Date buildTodayOpeningWindowEndTime() {
+        Calendar calendar = Calendar.getInstance();
+        calendar.set(Calendar.HOUR_OF_DAY, OPENING_COUNT_END_HOUR);
+        calendar.set(Calendar.MINUTE, 0);
+        calendar.set(Calendar.SECOND, 0);
+        calendar.set(Calendar.MILLISECOND, 0);
+        return calendar.getTime();
+    }
+
+
+    /**
+     * 小时级时间偏移
+     */
+    private Date addHours(Date baseTime, int hours) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(baseTime);
+        calendar.add(Calendar.HOUR_OF_DAY, hours);
+        return calendar.getTime();
+    }
+
+
 }
diff --git a/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml b/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml
index 3da6eb4..9000d0b 100644
--- a/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml
+++ b/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml
@@ -173,4 +173,168 @@
         ORDER BY production DESC, d.DEVICE_CODE
     </select>
 
+    <!-- 查询18台设备开模数（昨日07:00-今日07:00） -->
+    <select id="selectDeviceOpeningCountList" resultType="com.aucma.report.domain.vo.Board4DeviceOpeningCountVo">
+        WITH device_base AS (
+            SELECT d.DEVICE_CODE AS device_code,
+                   d.DEVICE_NAME AS device_name,
+                   NVL(
+                       TO_NUMBER(REGEXP_SUBSTR(d.DEVICE_NAME, '[0-9]+')),
+                       TO_NUMBER(REGEXP_SUBSTR(d.DEVICE_CODE, '[0-9]+'))
+                   ) AS device_no
+            FROM BASE_DEVICELEDGER d
+            WHERE d.IS_FLAG = 1
+              AND d.DEVICE_NAME IS NOT NULL
+              AND NVL(d.DEVICE_TYPE, '1') = '1'
+        ),
+        target_device AS (
+            SELECT device_code,
+                   device_name,
+                   device_no,
+                   sort_no
+            FROM (
+                SELECT b.device_code,
+                       b.device_name,
+                       b.device_no,
+                       ROW_NUMBER() OVER (
+                           ORDER BY NVL(b.device_no, 9999), b.device_code
+                       ) AS sort_no
+                FROM device_base b
+            )
+            WHERE sort_no &lt;= 18
+        ),
+        source_param AS (
+            <choose>
+                <when test="tableSuffixes != null and tableSuffixes.size() > 0">
+                    <!-- 为什么这样做：DeviceParamTableRouter 约定非OLD设备读月分表，OLD设备仍保留在主表。 -->
+                    <foreach item="suffix" collection="tableSuffixes" separator=" UNION ALL ">
+                        SELECT v.DEVICE_CODE AS device_code,
+                               v.COLLECT_TIME AS collect_time,
+                               TO_NUMBER(TRIM(v.PARAM_VALUE)) AS param_value
+                        FROM BASE_DEVICE_PARAM_VAL_${suffix} v
+                        WHERE v.DEVICE_CODE NOT LIKE 'OLD-%'
+                          AND v.PARAM_NAME = '机台状态-实际产出数量'
+                          AND v.COLLECT_TIME &gt;= #{baselineBeginTime}
+                          AND v.COLLECT_TIME &lt; #{endTime}
+                          AND REGEXP_LIKE(TRIM(v.PARAM_VALUE), '^[+-]?[0-9]+([.][0-9]+)?$')
+                          AND EXISTS (
+                              SELECT 1
+                              FROM target_device td
+                              WHERE td.device_code = v.DEVICE_CODE
+                          )
+                    </foreach>
+                    UNION ALL
+                    SELECT v.DEVICE_CODE AS device_code,
+                           v.COLLECT_TIME AS collect_time,
+                           TO_NUMBER(TRIM(v.PARAM_VALUE)) AS param_value
+                    FROM BASE_DEVICE_PARAM_VAL v
+                    WHERE v.DEVICE_CODE LIKE 'OLD-%'
+                      AND v.PARAM_NAME = '机台状态-实际产出数量'
+                      AND v.COLLECT_TIME &gt;= #{baselineBeginTime}
+                      AND v.COLLECT_TIME &lt; #{endTime}
+                      AND REGEXP_LIKE(TRIM(v.PARAM_VALUE), '^[+-]?[0-9]+([.][0-9]+)?$')
+                      AND EXISTS (
+                          SELECT 1
+                          FROM target_device td
+                          WHERE td.device_code = v.DEVICE_CODE
+                      )
+                </when>
+                <otherwise>
+                    <!-- 为什么这样做：即使当前月份分表不存在，OLD设备仍可从BASE_DEVICE_PARAM_VAL主表回源取数。 -->
+                    SELECT v.DEVICE_CODE AS device_code,
+                           v.COLLECT_TIME AS collect_time,
+                           TO_NUMBER(TRIM(v.PARAM_VALUE)) AS param_value
+                    FROM BASE_DEVICE_PARAM_VAL v
+                    WHERE v.DEVICE_CODE LIKE 'OLD-%'
+                      AND v.PARAM_NAME = '机台状态-实际产出数量'
+                      AND v.COLLECT_TIME &gt;= #{baselineBeginTime}
+                      AND v.COLLECT_TIME &lt; #{endTime}
+                      AND REGEXP_LIKE(TRIM(v.PARAM_VALUE), '^[+-]?[0-9]+([.][0-9]+)?$')
+                      AND EXISTS (
+                          SELECT 1
+                          FROM target_device td
+                          WHERE td.device_code = v.DEVICE_CODE
+                      )
+                </otherwise>
+            </choose>
+        ),
+        baseline_param AS (
+            SELECT device_code,
+                   collect_time,
+                   param_value
+            FROM (
+                SELECT p.device_code,
+                       p.collect_time,
+                       p.param_value,
+                       ROW_NUMBER() OVER (
+                           PARTITION BY p.device_code
+                           ORDER BY p.collect_time DESC
+                       ) AS rn
+                FROM source_param p
+                WHERE p.collect_time &lt; #{beginTime}
+            )
+            WHERE rn = 1
+        ),
+        window_param AS (
+            SELECT p.device_code,
+                   p.collect_time,
+                   p.param_value
+            FROM source_param p
+            WHERE p.collect_time &gt;= #{beginTime}
+              AND p.collect_time &lt; #{endTime}
+            UNION ALL
+            SELECT p.device_code,
+                   p.collect_time,
+                   p.param_value
+            FROM baseline_param p
+        ),
+        ordered_param AS (
+            SELECT p.device_code,
+                   p.collect_time,
+                   p.param_value,
+                   LAG(p.param_value) OVER (
+                       PARTITION BY p.device_code
+                       ORDER BY p.collect_time
+                   ) AS previous_param_value
+            FROM window_param p
+        ),
+        actual_prod AS (
+            SELECT p.device_code,
+                   ROUND(SUM(
+                       CASE
+                           WHEN p.collect_time &lt; #{beginTime} THEN 0
+                           WHEN p.previous_param_value IS NULL THEN 0
+                           WHEN p.param_value &gt; p.previous_param_value THEN p.param_value - p.previous_param_value
+                           WHEN p.param_value &lt; p.previous_param_value THEN p.param_value
+                           ELSE 0
+                       END
+                   )) AS opening_count
+            FROM ordered_param p
+            GROUP BY p.device_code
+        ),
+        window_data_device AS (
+            SELECT p.device_code,
+                   COUNT(1) AS window_data_count
+            FROM source_param p
+            WHERE p.collect_time &gt;= #{beginTime}
+              AND p.collect_time &lt; #{endTime}
+            GROUP BY p.device_code
+        )
+        SELECT td.device_code AS deviceCode,
+               td.device_name AS deviceName,
+               NVL(ap.opening_count, 0) AS openingCount,
+               CASE
+                   WHEN wd.window_data_count &gt; 0 THEN 1
+                   ELSE 0
+               END AS windowDataFlag
+        FROM target_device td
+        LEFT JOIN actual_prod ap
+          ON td.device_code = ap.device_code
+        LEFT JOIN window_data_device wd
+          ON td.device_code = wd.device_code
+        <!-- 为什么这样做：mapper只负责回源表取真实采集和标记是否有数据；OLD设备缺数时的临时估算放在Service独立方法里，
+             后续关闭模拟数据时只需要注释掉方法调用，不影响真实取数SQL。 -->
+        ORDER BY NVL(td.device_no, 9999), td.device_code
+    </select>
+
 </mapper>