sz

web/src/main/java/com/jpsoft/smart/modules/base/controller/DeviceInfoController.java

@@ -336,8 +336,12 @@ public class DeviceInfoController {
 
                 List<DeviceInfo> deviceInfoList = deviceInfoService.findByCompanyId(companyId);
                 List<String> deviceIdList = new ArrayList<String>();
-                for (DeviceInfo deviceInfo:deviceInfoList) {
-                    deviceIdList.add(deviceInfo.getId());
+                if(deviceIdList.size() > 0) {
+                    for (DeviceInfo deviceInfo : deviceInfoList) {
+                        deviceIdList.add(deviceInfo.getId());
+                    }
+                }else{
+                    deviceIdList.add("-1");
                 }
                 list = deviceInfoService.findByDeviceIdList(deviceIdList);
             }