diff --git a/src/main/java/com/jaoafa/mymaid4/event/Event_jaoBox.java b/src/main/java/com/jaoafa/mymaid4/event/Event_jaoBox.java
index a83df3dd4..5da9b9ddf 100644
--- a/src/main/java/com/jaoafa/mymaid4/event/Event_jaoBox.java
+++ b/src/main/java/com/jaoafa/mymaid4/event/Event_jaoBox.java
@@ -72,15 +72,17 @@ public void onRegisterInventoryClose(InventoryCloseEvent event) {
         }
 
         List<ItemStack> oldItems = MyMaidData.getBoxPrevious(player.getUniqueId());
-        for (int i = 0; i < inventory.getSize(); i++) {
-            ItemStack oldItem = oldItems.get(i);
-            ItemStack newItem = inventory.getItem(i);
+        if (oldItems.size() != 0) {
+            for (int i = 0; i < inventory.getSize(); i++) {
+                ItemStack oldItem = oldItems.get(i);
+                ItemStack newItem = inventory.getItem(i);
 
-            if (Objects.equals(oldItem, newItem)) {
-                continue;
-            }
+                if (Objects.equals(oldItem, newItem)) {
+                    continue;
+                }
 
-            logging(player, i, oldItem, newItem);
+                logging(player, i, oldItem, newItem);
+            }
         }
 
         player.getWorld().playSound(player.getLocation(), Sound.BLOCK_CHEST_LOCKED, 1.0F, 1.0F);