diff --git a/web/screens/Thread/ThreadCenterPanel/ChatBody/index.tsx b/web/screens/Thread/ThreadCenterPanel/ChatBody/index.tsx
index a6a2d1510..80d33b22f 100644
--- a/web/screens/Thread/ThreadCenterPanel/ChatBody/index.tsx
+++ b/web/screens/Thread/ThreadCenterPanel/ChatBody/index.tsx
@@ -167,6 +167,7 @@ const ChatBody = memo(
key={messages[virtualRow.index]?.id ?? virtualRow.index}
data-index={virtualRow.index}
ref={virtualizer.measureElement}
+ className="first:mt-4"
>
{loadModelError && virtualRow.index === count - 1 ? (