fix(report): 修复巡检统计数据查询逻辑

- 将应检设备计算方式从硬编码乘法改为关联DMS_PLAN_INSPECT表获取DEVICE_AMOUNT
- 更新数据来源说明，增加DMS_PLAN_INSPECT表关联
- 优化SQL查询逻辑，使用NVL函数处理空值情况
- 确保设备总数统计准确性，避免因计划数量变化导致的数据错误

aucma-report/src/main/resources/mapper/report/Board5Mapper.xml

@@ -55,11 +55,18 @@
     </select>
 
     <!-- 查询巡检执行情况统计（全量历史） -->
-    <!-- 应检设备 = 从工单表统计：不同计划ID数 × 18（每计划18台设备） -->
+    <!-- 应检设备 = 关联 DMS_PLAN_INSPECT 表，汇总 DEVICE_AMOUNT（设备总数） -->
     <!-- 已检设备 = DMS_BILLS_INSPECT_INSTANCE 中 INSPECT_STATUS='3'(已完成) 的工单数量 -->
-    <!-- 数据来源：DMS_BILLS_INSPECT_INSTANCE -->
+    <!-- 数据来源：DMS_BILLS_INSPECT_INSTANCE + DMS_PLAN_INSPECT -->
     <select id="selectInspectStatistics" resultType="java.util.HashMap">
-        SELECT (SELECT COUNT(DISTINCT PLAN_INSPECT_ID) * 18 FROM DMS_BILLS_INSPECT_INSTANCE WHERE IS_FLAG = '1') AS DEVICE_COUNT,
+        SELECT (SELECT NVL(SUM(p.DEVICE_AMOUNT), 0)
+                FROM DMS_PLAN_INSPECT p
+                WHERE p.PLAN_INSPECT_ID IN (
+                    SELECT DISTINCT PLAN_INSPECT_ID
+                    FROM DMS_BILLS_INSPECT_INSTANCE
+                    WHERE IS_FLAG = '1'
+                )
+               ) AS DEVICE_COUNT,
                (SELECT COUNT(*) FROM DMS_BILLS_INSPECT_INSTANCE WHERE IS_FLAG = '1' AND INSPECT_STATUS = '3') AS COMPLETE_COUNT
         FROM DUAL
     </select>