diff --git a/buildics-oviphone-back-controller/src/main/java/com/buildics/oviphone/back/controller/DeviceController.java b/buildics-oviphone-back-controller/src/main/java/com/buildics/oviphone/back/controller/DeviceController.java
index cf2b7ba..b1e5a36 100644
--- a/buildics-oviphone-back-controller/src/main/java/com/buildics/oviphone/back/controller/DeviceController.java
+++ b/buildics-oviphone-back-controller/src/main/java/com/buildics/oviphone/back/controller/DeviceController.java
@@ -5,12 +5,9 @@ import com.buildics.oviphone.back.common.exception.BusinessException;
 import com.buildics.oviphone.back.common.response.PageResponse;
 import com.buildics.oviphone.back.common.response.ResponseCode;
 import com.buildics.oviphone.back.configurator.interceptor.AccessRequired;
-import com.buildics.oviphone.back.dto.company.CompanySearchParams;
 import com.buildics.oviphone.back.dto.device.DevicePageSearchParam;
 import com.buildics.oviphone.back.service.DeviceService;
-import com.buildics.oviphone.back.vo.company.CompanyPageDTO;
 import com.buildics.oviphone.back.vo.device.DevicePageDTO;
-import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -35,7 +32,7 @@ import org.springframework.web.bind.annotation.RestController;
 @SuppressWarnings("unchecked")
 public class DeviceController {
 	
-	private static Logger logger = LoggerFactory.getLogger(DeviceController.class);
+	private final static Logger logger = LoggerFactory.getLogger(DeviceController.class);
 
     @Autowired
     private DeviceService deviceService;
diff --git a/buildics-oviphone-back-service/src/main/java/com/buildics/oviphone/back/service/DeviceService.java b/buildics-oviphone-back-service/src/main/java/com/buildics/oviphone/back/service/DeviceService.java
index 0aaeea7..3e69202 100644
--- a/buildics-oviphone-back-service/src/main/java/com/buildics/oviphone/back/service/DeviceService.java
+++ b/buildics-oviphone-back-service/src/main/java/com/buildics/oviphone/back/service/DeviceService.java
@@ -2,7 +2,6 @@ package com.buildics.oviphone.back.service;
 
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.buildics.oviphone.back.dto.device.DevicePageSearchParam;
-import com.buildics.oviphone.back.vo.company.CompanyPageDTO;
 import com.buildics.oviphone.back.vo.device.DevicePageDTO;
 
 /**
diff --git a/buildics-oviphone-back-service/src/main/java/com/buildics/oviphone/back/service/impl/DeviceServiceImpl.java b/buildics-oviphone-back-service/src/main/java/com/buildics/oviphone/back/service/impl/DeviceServiceImpl.java
index b0df95d..9f40894 100644
--- a/buildics-oviphone-back-service/src/main/java/com/buildics/oviphone/back/service/impl/DeviceServiceImpl.java
+++ b/buildics-oviphone-back-service/src/main/java/com/buildics/oviphone/back/service/impl/DeviceServiceImpl.java
@@ -3,16 +3,10 @@ package com.buildics.oviphone.back.service.impl;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.buildics.oviphone.back.common.language.msg.MsgLanguageChange;
-import com.buildics.oviphone.back.dao.ex.BasicCompanyMapperExt;
-import com.buildics.oviphone.back.dao.ex.BasicUserMapperExt;
 import com.buildics.oviphone.back.dao.ex.DeviceInfoMapperExt;
-import com.buildics.oviphone.back.dto.company.CompanySearchParams;
 import com.buildics.oviphone.back.dto.device.DevicePageSearchParam;
-import com.buildics.oviphone.back.service.CompanyService;
 import com.buildics.oviphone.back.service.DeviceService;
 import com.buildics.oviphone.back.service.common.CommonOpt;
-import com.buildics.oviphone.back.util.async.OptAsync;
-import com.buildics.oviphone.back.vo.company.CompanyPageDTO;
 import com.buildics.oviphone.back.vo.device.DevicePageDTO;
 import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
@@ -33,18 +27,14 @@ import java.util.List;
 @Service
 public class DeviceServiceImpl implements DeviceService {
 	
-	private static Logger logger = LoggerFactory.getLogger(DeviceServiceImpl.class);
+	private final static Logger logger = LoggerFactory.getLogger(DeviceServiceImpl.class);
 
 	@Value("${wgbt.type.id}")
 	private List<Long> wgbtTypeIdList;
 
-	@Autowired
-	private OptAsync optAsync;
 	@Autowired
 	private MsgLanguageChange msgLanguageChange;
 	@Autowired
-	private BasicCompanyMapperExt basicCompanyMapperExt;
-	@Autowired
 	private CommonOpt commonOpt;
 	@Autowired
 	private DeviceInfoMapperExt deviceInfoMapperExt;