diff --git a/TMessagesProj/src/main/java/org/telegram/group/GroupViewModel.java b/TMessagesProj/src/main/java/org/telegram/group/GroupViewModel.java
index 735691b..bc863bd 100644
--- a/TMessagesProj/src/main/java/org/telegram/group/GroupViewModel.java
+++ b/TMessagesProj/src/main/java/org/telegram/group/GroupViewModel.java
@@ -132,6 +132,9 @@
         String str = ApplicationLoader.applicationContext
                 .getSharedPreferences("group_from_cctv", Activity.MODE_PRIVATE).getString("info", "{}");
         List<QueryResponse.AttributesBean.ListBean> listBeans = GsonUtils.jsonToMode(str, QueryResponse.class).getAttributes().getList();
+        if (listBeans == null) {
+            return true;
+        }
         for (int i = 0; i < listBeans.size(); i++) {
             if (listBeans.get(i).getGroupId().equals(groupId)) {
                 if (System.currentTimeMillis() < listBeans.get(i).getExpiredDate()