The mobile terminal ishitbottom does not perform -10

app/components/chat.tsx

@@ -935,7 +935,7 @@ function _Chat() {
 
     const isTouchTopEdge = e.scrollTop <= edgeThreshold;
     const isTouchBottomEdge = bottomHeight >= e.scrollHeight - edgeThreshold;
-    const isHitBottom = bottomHeight >= e.scrollHeight - 10;
+    const isHitBottom = bottomHeight >= e.scrollHeight - (isMobileScreen ? 0 : 10);
 
     const prevPageMsgIndex = msgRenderIndex - CHAT_PAGE_SIZE;
     const nextPageMsgIndex = msgRenderIndex + CHAT_PAGE_SIZE;