1

src/main/java/com/fdkankan/manage/service/impl/AuthorizeCameraServiceImpl.java

@@ -74,7 +74,7 @@ public class AuthorizeCameraServiceImpl extends ServiceImpl<IAuthorizeCameraMapp
             if(userMap.get(record.getSysUserId())!=null){
                 record.setSysUserName(userMap.get(record.getSysUserId()).getNickName());
             }
-            String snCodes  = null;
+            String snCodes  = "";
             List<AuthorizeCameraDetail> details = authorizeCameraDetailService.getByCameraId(record.getId());
             for (AuthorizeCameraDetail detail : details) {
                 snCodes += detail.getSnCode()+ "\n";