1

src/main/java/com/fdkankan/ucenter/service/impl/SceneCooperationServiceImpl.java

@@ -407,7 +407,7 @@ public class SceneCooperationServiceImpl extends ServiceImpl<ISceneCooperationMa
         List<String> numList2 = collect2.stream().map(ScenePlus::getNum).collect(Collectors.toList());
         numList1.addAll(numList2);
         List<String> collect = userList.stream().map(User::getUserName).collect(Collectors.toList());
-        List<String> snCodeList = null;
+        List<String> snCodeList = new ArrayList<>();
         if(cameraList !=null ){
             snCodeList = cameraList.stream().map(Camera::getSnCode).collect(Collectors.toList());
         }