diff --git a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/mysql/mqttdatarecord/MqttDataRecordMapper.java b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/mysql/mqttdatarecord/MqttDataRecordMapper.java
index bf905e060c..9cb7709e34 100644
--- a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/mysql/mqttdatarecord/MqttDataRecordMapper.java
+++ b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/mysql/mqttdatarecord/MqttDataRecordMapper.java
@@ -9,6 +9,7 @@ import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.ibatis.annotations.Mapper;
 
+import java.math.BigDecimal;
 import java.util.List;
 
 /**
@@ -36,7 +37,8 @@ public interface MqttDataRecordMapper extends BaseMapperX<MqttDataRecordDO> {
                 .eqIfPresent(MqttDataRecordDO::getAttrValue, reqVO.getAttrValue())
                 .betweenIfPresent(MqttDataRecordDO::getDeviceTime, reqVO.getDeviceTime())
                 .betweenIfPresent(MqttDataRecordDO::getCreateTime, reqVO.getCreateTime())
-                .orderByDesc(MqttDataRecordDO::getId));
+                .orderByDesc(MqttDataRecordDO::getId)
+                .last("limit "+reqVO.getPageSize()));
     }
     default MqttDataRecordDO selectLastOne(MqttDataRecordPageReqVO reqVO) {
         return selectOne(new QueryWrapper<MqttDataRecordDO>()
@@ -45,22 +47,21 @@ public interface MqttDataRecordMapper extends BaseMapperX<MqttDataRecordDO> {
                 .orderByDesc("id")
                 .last("limit 1"));
     }
-    default Long selectSum(MqttDataRecordPageReqVO reqVO) {
-        // SQL sum 查询
-//        List<Map<String, Object>> result = selectMaps(new QueryWrapper<MqttDataRecordDO>()
-//                .select("SUM(attr_value) AS sumCount")
-//                .eq(StringUtils.isNotBlank(reqVO.getDeviceName()),"device_name", reqVO.getDeviceName())
-//                .eq(StringUtils.isNotBlank(reqVO.getAttribute()),"attribute", reqVO.getAttribute())
-//        );
-//        // 获得数量
-//        if (CollUtil.isEmpty(result)) {
-//            return 0L;
-//        }
-//        return MapUtil.getLong(result.get(0), "sumCount", 0L);
+    default BigDecimal selectSum(MqttDataRecordPageReqVO reqVO) {
         List<MqttDataRecordDO> list =  select(reqVO);
-        if(list!=null && list.size()>0){
-
-        
-        return 0L;
+        BigDecimal sum = BigDecimal.ZERO;
+        if(list!=null && list.size()>0) {
+            for (MqttDataRecordDO recordDO: list) {
+                if(StringUtils.isNotBlank(recordDO.getAttrValue())){
+                    try {
+                        double d = Double.parseDouble(recordDO.getAttrValue());
+                        sum = sum.add(BigDecimal.valueOf(d));
+                    }catch (NumberFormatException e){
+                        System.out.println("------error: default BigDecimal selectSum():采集数据不是数字！------");
+                    }
+                }
+            }
+        }
+        return sum;
     }
 }
\ No newline at end of file
diff --git a/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/mqtt/MqttServerDataController.java b/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/mqtt/MqttServerDataController.java
index 6de072f466..6034a031a1 100644
--- a/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/mqtt/MqttServerDataController.java
+++ b/yudao-module-mes/yudao-module-mes-biz/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/mqtt/MqttServerDataController.java
@@ -1,24 +1,19 @@
 package cn.iocoder.yudao.module.mes.controller.admin.mqtt;
 
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
-import cn.iocoder.yudao.module.iot.controller.admin.mqttrecord.vo.MqttData;
-import cn.iocoder.yudao.module.iot.controller.admin.mqttrecord.vo.MqttDataUtils;
+import cn.iocoder.yudao.module.iot.controller.admin.mqttdatarecord.vo.MqttDataRecordPageReqVO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.mqttdatarecord.MqttDataRecordDO;
 import cn.iocoder.yudao.module.iot.dal.mysql.mqttdatarecord.MqttDataRecordMapper;
-import cn.iocoder.yudao.module.iot.service.mqttdatarecord.MqttDataRecordService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
+import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 
@@ -28,8 +23,6 @@ import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 @Validated
 public class MqttServerDataController {
 
-    @Resource
-    private MqttDataRecordService mqttDataRecordService;
     @Resource
     private MqttDataRecordMapper mqttDataRecordMapper;
 
@@ -51,18 +44,23 @@ public class MqttServerDataController {
         return success(1L);
     }
 
-    @PostMapping("/createMap2")
-    @Operation(summary = "创建数采记录")
-    public CommonResult<Boolean> createMap(@RequestBody Map<String, Object> param) {
-        MqttData mqttData  = MqttDataUtils.parseMap(param);
-//        if(mqttData!=null){
-//            MqttRecordSaveReqVO createReqVO = new MqttRecordSaveReqVO();
-//            createReqVO.setDeviceCode(mqttData.getDeviceID());
-//            createReqVO.setGatewayCode(mqttData.getGatewayID());
-//            createReqVO.setDeviceDataTime(mqttData.getDeviceDataTime());
-//            createReqVO.setDeviceData(JSON.toJSONString(param));
-//            mqttRecordService.createMqttRecord(createReqVO);
-//        }
-        return success(true);
+    @GetMapping("/getValue")
+    @Operation(summary = "获得设备数据最新值")
+    public CommonResult<String> getByDeviceAndAttr(@RequestParam("deviceName") String deviceName
+            ,@RequestParam("attribute") String attribute) {
+        MqttDataRecordPageReqVO reqVO = new MqttDataRecordPageReqVO().setDeviceName(deviceName).setAttribute(attribute);
+
+        MqttDataRecordDO mqttDataRecord = mqttDataRecordMapper.selectLastOne(reqVO);
+        return success(mqttDataRecord.getAttrValue());
+    }
+    @GetMapping("/getList")
+    @Operation(summary = "获得设备数据列表默认十条")
+    public CommonResult<List<MqttDataRecordDO>> getList(MqttDataRecordPageReqVO reqVO) {
+        return success(mqttDataRecordMapper.select(reqVO));
+    }
+    @GetMapping("/getSum")
+    @Operation(summary = "获得设备数据汇总")
+    public CommonResult<BigDecimal> getSum(MqttDataRecordPageReqVO reqVO) {
+        return success(mqttDataRecordMapper.selectSum(reqVO));
     }
 }
\ No newline at end of file
diff --git a/yudao-server/src/main/resources/application-local.yaml b/yudao-server/src/main/resources/application-local.yaml
index b0a22a82f9..969f48daae 100644
--- a/yudao-server/src/main/resources/application-local.yaml
+++ b/yudao-server/src/main/resources/application-local.yaml
@@ -48,7 +48,7 @@ spring:
       datasource:
         master:
           name: besure_neimeng
-          url: jdbc:mysql://47.106.185.127:3306/${spring.datasource.dynamic.datasource.master.name}?useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true&nullCatalogMeansCurrent=true # MySQL Connector/J 8.X 连接的示例
+          url: jdbc:mysql://111.67.199.122:3306/${spring.datasource.dynamic.datasource.master.name}?useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true&nullCatalogMeansCurrent=true # MySQL Connector/J 8.X 连接的示例
           #          url: jdbc:mysql://127.0.0.1:3306/${spring.datasource.dynamic.datasource.master.name}?useSSL=false&allowPublicKeyRetrieval=true&useUnicode=true&characterEncoding=UTF-8&serverTimezone=CTT # MySQL Connector/J 5.X 连接的示例
           username: besure_user1
           password: zpW5:,LGHACh