diff --git a/das/src/main/java/com/das/modules/data/service/impl/DataServiceImpl.java b/das/src/main/java/com/das/modules/data/service/impl/DataServiceImpl.java
index 05227174..10a28f58 100644
--- a/das/src/main/java/com/das/modules/data/service/impl/DataServiceImpl.java
+++ b/das/src/main/java/com/das/modules/data/service/impl/DataServiceImpl.java
@@ -23,6 +23,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
+import org.springframework.util.StopWatch;
 
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
@@ -148,7 +149,8 @@ public abstract class DataServiceImpl implements DataService {
     }
 
     private Map<String, Map<String, Map<String, Object>>> queryHistoryCurveValues(Long irn, Date startTime, Date endTime, String interval, String fill, List<String> attributes) {
-
+        StopWatch stopWatch = new StopWatch();
+        stopWatch.start("prepare resources");
         String iotModelCode = sysIotModelFieldMapper.queryModelCodeByDeviceId(irn);
         Map<String, Object> highSpeedFieldMap = highIotFieldMap.get(iotModelCode);
         Map<String, Object> lowSpeedFieldMap = lowIotFieldMap.get(iotModelCode);
@@ -167,11 +169,15 @@ public abstract class DataServiceImpl implements DataService {
                 calField.add(field);
             }
         }
+        stopWatch.stop();
+        stopWatch.start("HighSpeedValues");
         Map<String, Map<String, Map<String, Object>>> result = new HashMap<>();
         if (!CollectionUtils.isEmpty(highSpeedField)) {
             Map<String, Map<String, Map<String, Object>>> highHistoryCurve = tdEngineService.fetchHighHistoryCurve(irn, startTime, endTime, interval, highSpeedField);
             result.putAll(highHistoryCurve);
         }
+        stopWatch.stop();
+        stopWatch.start("LowSpeedValues");
         if (!CollectionUtils.isEmpty(lowSpeedField)) {
             Map<String, Map<String, Map<String, Object>>> lowHistoryCurve = tdEngineService.fetchLowHistoryCurve(irn, startTime, endTime, interval, lowSpeedField);
             if (result.get(irn.toString()) == null) {
@@ -180,6 +186,8 @@ public abstract class DataServiceImpl implements DataService {
                 result.get(irn.toString()).putAll(lowHistoryCurve.get(irn.toString()));
             }
         }
+        stopWatch.stop();
+        stopWatch.start("CalculateValues");
         if (!CollectionUtils.isEmpty(calField)){
             ListUtil.page(calField,COMMIT_COUNT,list -> {
                 for (String item : list){
@@ -192,6 +200,8 @@ public abstract class DataServiceImpl implements DataService {
                 }
             });
         }
+        stopWatch.stop();
+        log.debug("查询历史数据耗时: {}", stopWatch.prettyPrint());
         return result;
     }