diff --git a/app/src/main/java/com/example/childguard/HomeFragment.java b/app/src/main/java/com/example/childguard/HomeFragment.java
index 499a8b6..732633c 100644
--- a/app/src/main/java/com/example/childguard/HomeFragment.java
+++ b/app/src/main/java/com/example/childguard/HomeFragment.java
@@ -207,10 +207,13 @@ public class HomeFragment extends Fragment implements OnEventListener{
         FrameLayout fl;
         try {
             tv = requireView().findViewById(R.id.situation);
-            fl = getView().findViewById(R.id.situation_bg);
+            fl = requireView().findViewById(R.id.situation_bg);
         } catch (NullPointerException e) {
             Log.d("HomeFragment", "updateUiState: view is null");
             return;
+        } catch (Exception e) {
+            Log.d("HomeFragment", "updateUiState: unknown error");
+            return;
         }
         String get_on = "\n乗車状態";
         String get_off = "\n降車状態";