diff --git a/src/main/java/com/topsail/influxdb/service/DeviceDataService.java b/src/main/java/com/topsail/influxdb/service/DeviceDataService.java
index c5e23cd..012b7a1 100644
--- a/src/main/java/com/topsail/influxdb/service/DeviceDataService.java
+++ b/src/main/java/com/topsail/influxdb/service/DeviceDataService.java
@@ -198,6 +198,7 @@ public class DeviceDataService {
             oldInfluxDBClient = InfluxDBClientFactory.create(oldurl, oldtoken.toCharArray(), oldorg);
         }
         List<FluxTable> tables = oldInfluxDBClient.getQueryApi().query(query.toString());
+        System.out.println("查询历史数据结果==========:" + tables.size());
         List<DeviceDataInfluxData> rerurnList = new ArrayList<>();
         for (FluxTable fluxTable : tables) {
             List<FluxRecord> records = fluxTable.getRecords();