diff --git a/src/main/java/com/xydl/cac/entity/NSensor.java b/src/main/java/com/xydl/cac/entity/NSensor.java
index cf27262..8cde16b 100644
--- a/src/main/java/com/xydl/cac/entity/NSensor.java
+++ b/src/main/java/com/xydl/cac/entity/NSensor.java
@@ -10,6 +10,7 @@ import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 
 @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -85,6 +86,9 @@ public class NSensor {
     @Transient
     N103Sensor n103Sensor;
 
+    @Transient
+    HashMap<String, String> lastData;
+
     public String addPoint(NPoint point) {
         if (points == null) {
             points = new ArrayList<>();
diff --git a/src/main/java/com/xydl/cac/iec/IEDCollectService.java b/src/main/java/com/xydl/cac/iec/IEDCollectService.java
index 7493d59..1c19169 100644
--- a/src/main/java/com/xydl/cac/iec/IEDCollectService.java
+++ b/src/main/java/com/xydl/cac/iec/IEDCollectService.java
@@ -9,6 +9,7 @@ import com.xydl.cac.service.DataService;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.util.CollectionUtils;
 
+import java.util.HashMap;
 import java.util.List;
 
 @Slf4j
@@ -22,6 +23,8 @@ public class IEDCollectService {
     IcdIed ied;
     String xml;
 
+    public static HashMap<Integer, HashMap<String, String>> lastDataMap = new HashMap<>();
+
     public IEDCollectService(IcdConfigTypeRepository configRepository, IcdConfigTypeAttRepository attRepository,
                              IcdConfigTypeInstRepository instRepository, RptparamindexRepository rptparamindexRepository,
                              DataService dataService, String xml, IcdIed ied) {
@@ -89,6 +92,14 @@ public class IEDCollectService {
         log.info("采集到" + fc + " " + paramindexNew + "=" + value + ", t=" + time);
         time = time.replace("T", " ").replace("Z", "").replace("z", "");
         _dataService.insertData(rpt.getTablename(), rpt.getEqmid(), time, rpt.getColname(), value);
+
+        HashMap<String, String> map = lastDataMap.get(rpt.getEqmid());
+        if (map == null) {
+            map = new HashMap<>();
+            lastDataMap.put(rpt.getEqmid(), map);
+        }
+        map.put(rpt.getColname(), value);
+        map.put("acquisitionTime", time);
     }
 
     private Rptparamindex findRpt(List<Rptparamindex> rptList, String paramindex) {
diff --git a/src/main/java/com/xydl/cac/iec/RealTimeDataService.java b/src/main/java/com/xydl/cac/iec/RealTimeDataService.java
index 84b5a1f..315b204 100644
--- a/src/main/java/com/xydl/cac/iec/RealTimeDataService.java
+++ b/src/main/java/com/xydl/cac/iec/RealTimeDataService.java
@@ -27,7 +27,6 @@ public class RealTimeDataService {
     @Resource
     IcdIedRepository iedRepository;
 
-    public static HashMap<String, String> dataMap = new HashMap<>();
     public static IecServer iecServer = null;
     public static boolean inDoing = false;
     HashMap<Integer, IecClient> clientMap = new HashMap<>();
@@ -133,9 +132,6 @@ public class RealTimeDataService {
     }
 
     private static void processBdaNodeValue(BasicDataAttribute bda) {
-        String ref = bda.getReference().toString();
-        String value = bda.getValueString();
-        dataMap.put(ref, value);
         if (iecServer != null) {
             iecServer.updateBda(bda);
         }
diff --git a/src/main/java/com/xydl/cac/service/impl/NSensorServiceImpl.java b/src/main/java/com/xydl/cac/service/impl/NSensorServiceImpl.java
index 4534e53..6ed4ac8 100644
--- a/src/main/java/com/xydl/cac/service/impl/NSensorServiceImpl.java
+++ b/src/main/java/com/xydl/cac/service/impl/NSensorServiceImpl.java
@@ -3,6 +3,7 @@ package com.xydl.cac.service.impl;
 import com.xydl.cac.entity.*;
 import com.xydl.cac.entity.constants.Constants;
 import com.xydl.cac.exception.BusinessException;
+import com.xydl.cac.iec.IEDCollectService;
 import com.xydl.cac.model.ConditionModel;
 import com.xydl.cac.model.OnePage;
 import com.xydl.cac.model.SensorDetail;
@@ -83,6 +84,8 @@ public class NSensorServiceImpl implements NSensorService {
                         sensor.setTableName(type.getTablename());
                     }
                 }
+                HashMap<String, String> map = IEDCollectService.lastDataMap.get(sensor.getDevId());
+                sensor.setLastData(map);
             }
         }
     }