diff --git a/fastbee-open-api/src/main/java/com/fastbee/data/controller/DeviceReportInfoController.java b/fastbee-open-api/src/main/java/com/fastbee/data/controller/DeviceReportInfoController.java
index 575689a..49d26d1 100644
--- a/fastbee-open-api/src/main/java/com/fastbee/data/controller/DeviceReportInfoController.java
+++ b/fastbee-open-api/src/main/java/com/fastbee/data/controller/DeviceReportInfoController.java
@@ -262,5 +262,34 @@ public class DeviceReportInfoController extends BaseController
         }
         return AjaxResult.success("更新成功！");
     }
+    /**
+     * 查询流量计水单价
+     */
+    @GetMapping("/get/waterFree")
+    public AjaxResult getWaterPrice(String deviceNumber){
+        List<DeviceReportInfo> list = new LambdaQueryChainWrapper<>(deviceReportInfoMapper)
+                .select(DeviceReportInfo::getWaterFree)
+                .eq(DeviceReportInfo::getSerialNumber, deviceNumber)
+                .list();
+        if(!list.isEmpty()){
+            return AjaxResult.success(list.get(0).getWaterFree());
+        }
+        return AjaxResult.error("设备不存在！");
+    }
+    /**
+     * 更新流量计水单价
+     */
+    @PostMapping("/update/waterFree")
+    public AjaxResult updateWaterPrice(String deviceNumber,String waterFree){
+        boolean update = new LambdaUpdateChainWrapper<>(deviceReportInfoMapper)
+                .set(DeviceReportInfo::getWaterFree, waterFree)
+                .eq(DeviceReportInfo::getSerialNumber, deviceNumber)
+                .update();
+        if(!update){
+            return AjaxResult.error("更新失败！");
+        }
+        return AjaxResult.success("更新成功！");
+
+    }
 
 }
diff --git a/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/domain/DeviceReportInfo.java b/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/domain/DeviceReportInfo.java
index 0703e32..4a71542 100644
--- a/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/domain/DeviceReportInfo.java
+++ b/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/domain/DeviceReportInfo.java
@@ -11,6 +11,7 @@ import lombok.EqualsAndHashCode;
 import com.fastbee.common.annotation.Excel;
 import com.fastbee.common.core.domain.BaseEntity;
 
+import java.math.BigDecimal;
 import java.util.Date;
 
 /**
@@ -185,6 +186,10 @@ public class DeviceReportInfo extends BaseEntity
     @ApiModelProperty("流量计型号1管段式2卡片式")
     private Integer flowModel;
 
+    /** 水价单位元 */
+    @Excel(name = "水价单位元")
+    @ApiModelProperty("水价单位元")
+    private BigDecimal waterFree;
     //----------------------------------------------------------业务字段-----------------------------------------------------------
     /** 是否自动审核 */
     @TableField(exist = false)