diff --git a/components/SmartChatBox/SmartChatBox.tsx b/components/SmartChatBox/SmartChatBox.tsx
index 7ba47fe..39cb4c9 100644
--- a/components/SmartChatBox/SmartChatBox.tsx
+++ b/components/SmartChatBox/SmartChatBox.tsx
@@ -19,6 +19,8 @@ interface SmartChatBoxProps {
   onClearPreview?: () => void;
   setIsFocusChatInput?: (v: boolean) => void;
   aiEditingResult?: any;
+  /** 新消息回调：用于外层处理未展开时的气泡提示 */
+  onNewMessage?: (snippet: string) => void;
 }
 
 interface MessageGroup {
@@ -47,7 +49,8 @@ export default function SmartChatBox({
   previewVideoId,
   onClearPreview,
   setIsFocusChatInput,
-  aiEditingResult
+  aiEditingResult,
+  onNewMessage
 }: SmartChatBoxProps) {
   // 消息列表引用
   const listRef = useRef<HTMLDivElement>(null);
@@ -103,6 +106,23 @@ export default function SmartChatBox({
     onMessagesUpdate: handleMessagesUpdate
   });
 
+  // 监听消息新增，向外层抛出前10个字符的文本片段
+  const prevLenRef = useRef<number>(0);
+  useEffect(() => {
+    const len = messages.length;
+    if (len > prevLenRef.current && len > 0) {
+      const last = messages[len - 1];
+      // 提取第一个文本块
+      const textBlock = last.blocks.find(b => (b as any).type === 'text') as any;
+      const text = textBlock?.text || '';
+      if (text && onNewMessage) {
+        const snippet = text.slice(0, 20);
+        onNewMessage(snippet);
+      }
+    }
+    prevLenRef.current = len;
+  }, [messages, onNewMessage]);
+
   // 监听智能剪辑结果，自动发送消息到聊天框
 //   useEffect(() => {
 //     if (aiEditingResult && isSmartChatBoxOpen) {
diff --git a/components/pages/work-flow.tsx b/components/pages/work-flow.tsx
index 95e5fa1..0114a13 100644
--- a/components/pages/work-flow.tsx
+++ b/components/pages/work-flow.tsx
@@ -10,7 +10,7 @@ import { MediaViewer } from "./work-flow/media-viewer";
 import { ThumbnailGrid } from "./work-flow/thumbnail-grid";
 import { useWorkflowData } from "./work-flow/use-workflow-data";
 import { usePlaybackControls } from "./work-flow/use-playback-controls";
-import { Bot, TestTube } from "lucide-react";
+import { Bot, TestTube, MessageCircle } from "lucide-react";
 import { GlassIconButton } from '@/components/ui/glass-icon-button';
 import { SaveEditUseCase } from "@/app/service/usecase/SaveEditUseCase";
 import { useSearchParams } from "next/navigation";
@@ -48,6 +48,8 @@ const WorkFlow = React.memo(function WorkFlow() {
   const [isEditModalOpen, setIsEditModalOpen] = React.useState(false);
   const [activeEditTab, setActiveEditTab] = React.useState('1');
   const [isSmartChatBoxOpen, setIsSmartChatBoxOpen] = React.useState(true);
+  const [chatTip, setChatTip] = React.useState<string | null>(null);
+  const [hasUnread, setHasUnread] = React.useState(false);
   const [previewVideoUrl, setPreviewVideoUrl] = React.useState<string | null>(null);
   const [previewVideoId, setPreviewVideoId] = React.useState<string | null>(null);
   const [isFocusChatInput, setIsFocusChatInput] = React.useState(false);
@@ -617,15 +619,30 @@ Please process this video editing request.`;
 
       {/* 智能对话按钮 */}
       <div
-        className="fixed right-[1rem] bottom-[10rem] z-[49]"
+        className={`fixed right-[1rem] z-[49] ${isMobile ? 'bottom-[2rem]' : 'bottom-[10rem]'}`}
       >
         {isMobile ? (
-          <GlassIconButton
-            icon={Bot}
-            size='md'
-            onClick={() => setIsSmartChatBoxOpen(true)}
-            className="backdrop-blur-lg"
-          />
+          <div className="relative">
+            {(!isSmartChatBoxOpen && chatTip) && (
+              <div className="absolute -top-8 right-0 bg-black/80 text-white text-xs px-2 py-1 rounded-md whitespace-nowrap">
+                {chatTip}
+              </div>
+            )}
+            {/* 红点徽标 */}
+            {(!isSmartChatBoxOpen && hasUnread) && (
+              <span className="absolute -top-1 -right-1 w-3 h-3 bg-red-500 rounded-full border border-white" />
+            )}
+            <GlassIconButton
+              icon={MessageCircle}
+              size='md'
+              onClick={() => {
+                setIsSmartChatBoxOpen(true);
+                setChatTip(null);
+                setHasUnread(false);
+              }}
+              className="backdrop-blur-lg bg-custom-purple border-transparent hover:opacity-90"
+            />
+          </div>
         ) : (
         <Tooltip title="Open chat" placement="left">
           <GlassIconButton
@@ -641,6 +658,7 @@ Please process this video editing request.`;
       {/* 智能对话弹窗 */}
       <Drawer
         width={isMobile ? '100vw' : '25%'}
+        height={isMobile ? 'auto' : ''}
         placement={isMobile ? 'bottom' : 'right'}
         closable={false}
         maskClosable={false}
@@ -648,9 +666,9 @@ Please process this video editing request.`;
         getContainer={false}
         autoFocus={false}
         mask={false}
-        zIndex={49}
+        zIndex={60}
         rootClassName="outline-none"
-        className="backdrop-blur-lg bg-black/30 border border-white/20 shadow-xl"
+        className="backdrop-blur-lg bg-black/30 border border-white/20 shadow-xl max-h-[90vh]"
         style={{
           backgroundColor: 'transparent',
           ...(isMobile
@@ -676,6 +694,14 @@ Please process this video editing request.`;
           previewVideoUrl={previewVideoUrl}
           previewVideoId={previewVideoId}
           setIsFocusChatInput={setIsFocusChatInput}
+          onNewMessage={(snippet) => {
+            if (!isSmartChatBoxOpen && snippet) {
+              setChatTip(snippet);
+              setHasUnread(true);
+              // 3秒后自动消失
+              setTimeout(() => setChatTip(null), 3000);
+            }
+          }}
           onClearPreview={() => {
             setPreviewVideoUrl(null);
             setPreviewVideoId(null);