Merge remote-tracking branch 'origin/task-lyh-21989' into test

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

@@ -252,7 +252,7 @@ public class CameraServiceImpl extends ServiceImpl<ICameraMapper, Camera> implem
         String[] snCodeArr = snCodes.split(",");
         List<Long> cameraIds = new ArrayList<>();
         for (String wifiName : snCodeArr) {
-            String snCode = null;
+            String snCode = wifiName;
             if(wifiName.contains("_")){
                 snCode = wifiName.split("_")[1];
             }