diff --git a/productionboard/src/main/java/com/productionboard/mapper/TankShellDevicePrameterValueMapper.java b/productionboard/src/main/java/com/productionboard/mapper/TankShellDevicePrameterValueMapper.java
index dd84cca..1211453 100644
--- a/productionboard/src/main/java/com/productionboard/mapper/TankShellDevicePrameterValueMapper.java
+++ b/productionboard/src/main/java/com/productionboard/mapper/TankShellDevicePrameterValueMapper.java
@@ -3,6 +3,9 @@ package com.productionboard.mapper;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.productionboard.entity.TankShellDevice.TankShellDevicePrameterValue;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
 
 /**
  * @author WenJY
@@ -10,4 +13,10 @@ import org.apache.ibatis.annotations.Mapper;
  */
 @Mapper
 public interface TankShellDevicePrameterValueMapper extends BaseMapper<TankShellDevicePrameterValue> {
+
+  @Select("select t2.DEVICEID,t2.PRAMETERNAME, t2.VALUE, t2.CREATETIME\n"
+          + "from (select * from BASIC_SCADA_DEVICEPARAMETER@SCADA_DBLINK where Device_id = 'XKCX001' and PARAMETER_ID = '2') t1\n"
+          + "         left join SCADA_PRAMERTER_VALUE t2 on t1.PARAMETER_NAME = t2.PRAMETERNAME\n"
+          + "where CREATETIME = (select max(CREATETIME) from SCADA_PRAMERTER_VALUE where DEVICEID = T2.DEVICEID)")
+  List<TankShellDevicePrameterValue> SelectDevicePrameterValues();
 }
diff --git a/productionboard/src/main/java/com/productionboard/service/impl/TankShellDeviceInfoServiceImpl.java b/productionboard/src/main/java/com/productionboard/service/impl/TankShellDeviceInfoServiceImpl.java
index 8a2ccec..9b04982 100644
--- a/productionboard/src/main/java/com/productionboard/service/impl/TankShellDeviceInfoServiceImpl.java
+++ b/productionboard/src/main/java/com/productionboard/service/impl/TankShellDeviceInfoServiceImpl.java
@@ -93,7 +93,7 @@ public class TankShellDeviceInfoServiceImpl implements ITankShellDeviceInfoServi
 
     @Override
     public String getDeviceParameterValue() {
-        Calendar calendar = Calendar.getInstance();
+        /*Calendar calendar = Calendar.getInstance();
         calendar.setTime(new Date());
         calendar.add(Calendar.MINUTE,-1);
         QueryWrapper<TankShellDevicePrameterValue> wrapper = new QueryWrapper<TankShellDevicePrameterValue>();
@@ -102,7 +102,8 @@ public class TankShellDeviceInfoServiceImpl implements ITankShellDeviceInfoServi
                 .and(x->
                     x.like("prameterName","伺服").or().like("prameterName","伺服")
                 );
-        List<TankShellDevicePrameterValue> tankShellDevicePrameterValues = tankShellDevicePrameterValueMapper.selectList(wrapper);
+        List<TankShellDevicePrameterValue> tankShellDevicePrameterValues = tankShellDevicePrameterValueMapper.selectList(wrapper);*/
+        List<TankShellDevicePrameterValue> tankShellDevicePrameterValues = tankShellDevicePrameterValueMapper.SelectDevicePrameterValues();
         return JSONArray.toJSONString(tankShellDevicePrameterValues);
     }