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 9a4d3d0..7ac66a3 100644
--- a/productionboard/src/main/java/com/productionboard/service/impl/TankShellDeviceInfoServiceImpl.java
+++ b/productionboard/src/main/java/com/productionboard/service/impl/TankShellDeviceInfoServiceImpl.java
@@ -3,9 +3,7 @@ package com.productionboard.service.impl;
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
-import com.productionboard.entity.AluminumDevice.AluminumDeviceDataInformation;
-import com.productionboard.entity.AluminumDevice.AluminumThisMonthEnergy;
-import com.productionboard.entity.AluminumDevice.AluminumYesterdayEnergy;
+
 import com.productionboard.entity.TankShellDevice.*;
 import com.productionboard.mapper.*;
 import com.productionboard.service.ITankShellDeviceInfoService;