diff --git a/src/app/zh-CN/page.tsx b/src/app/zh-CN/page.tsx
index d95f317..dd52f26 100644
--- a/src/app/zh-CN/page.tsx
+++ b/src/app/zh-CN/page.tsx
@@ -417,7 +417,7 @@ function ComparisonHistoryZH({ onSelectHistory }: { onSelectHistory: (item: Hist
                 </span>
                 <button
                   onClick={(e) => handleDeleteItem(e, item.id)}
-                  className="opacity-0 group-hover:opacity-100 text-red-500 hover:text-red-700 p-1 rounded transition-all duration-200"
+                  className="text-red-500 hover:text-red-700 p-1 rounded transition-all duration-200"
                   title="删除此比较"
                 >
                   <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
diff --git a/src/components/ComparisonHistory.tsx b/src/components/ComparisonHistory.tsx
index fd5189a..49c41c0 100644
--- a/src/components/ComparisonHistory.tsx
+++ b/src/components/ComparisonHistory.tsx
@@ -114,7 +114,7 @@ export default function ComparisonHistory({ onSelectHistory }: ComparisonHistory
                 </span>
                 <button
                   onClick={(e) => handleDeleteItem(e, item.id)}
-                  className="opacity-0 group-hover:opacity-100 text-red-500 hover:text-red-700 p-1 rounded transition-all duration-200"
+                  className="text-red-500 hover:text-red-700 p-1 rounded transition-all duration-200"
                   title="Delete this comparison"
                 >
                   <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">