diff --git a/src/main/java/club/kid7/bannermaker/customMenu/CreateBannerMenu.java b/src/main/java/club/kid7/bannermaker/customMenu/CreateBannerMenu.java
index bcc287e..cea0d14 100644
--- a/src/main/java/club/kid7/bannermaker/customMenu/CreateBannerMenu.java
+++ b/src/main/java/club/kid7/bannermaker/customMenu/CreateBannerMenu.java
@@ -100,7 +100,7 @@ public CustomGUIInventory build(final Player player) {
             }
             //預覽旗幟
             PatternType patternType = BannerUtil.getPatternTypeList().get(patternIndex);
-            final KItemStack banner = ((KItemStack) baseBannerForPreview.clone())
+            final KItemStack banner = (new KItemStack(baseBannerForPreview))
                 .pattern(new Pattern(selectedColorForPreview, patternType));
             menu.setItem(i + 19 + (i / 8), banner, new ClickAction(ClickType.LEFT, event -> {
                 //新增Pattern