深度九大模型加入滚动到顶部锚点功能；

src/views/deepNine.vue

@@ -3165,7 +3165,17 @@ watch(
 );
 
 const scrollToTop = () => {
-  chatStore.dbqbScrollToTop = !chatStore.dbqbScrollToTop;
+  // 滚动到顶部锚点
+  const topAnchor = document.getElementById("deepNine-top-anchor");
+  if (topAnchor) {
+    topAnchor.scrollIntoView({ behavior: "smooth" });
+  } else {
+    // 保留原有逻辑作为备用
+    chatStore.dbqbScrollToTop = !chatStore.dbqbScrollToTop;
+  }
+  
+  // 通知父组件滚动到顶部
+  emit('scrollToBottom');
 };
 
 // 添加渲染所有K线图的方法
@@ -3347,6 +3357,7 @@ onUnmounted(() => {
 
 <template>
   <div class="chat-container">
+    <div id="deepNine-top-anchor"></div>
     <!-- GIF区域 -->
     <div class="gif-area">
       <img