diff --git a/.DS_Store b/.DS_Store
index d38f521..ec943fa 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/dist.zip b/dist.zip
index a81236d..7ba799f 100644
Binary files a/dist.zip and b/dist.zip differ
diff --git a/src/pages/CreateMeeting.jsx b/src/pages/CreateMeeting.jsx
index 1353a24..4247ea4 100644
--- a/src/pages/CreateMeeting.jsx
+++ b/src/pages/CreateMeeting.jsx
@@ -125,6 +125,7 @@ const CreateMeeting = ({ user }) => {
         const formDataUpload = new FormData();
         formDataUpload.append('audio_file', audioFile);
         formDataUpload.append('meeting_id', meetingId);
+        formDataUpload.append('auto_summarize', 'false');
 
         await apiClient.post(buildApiUrl(API_ENDPOINTS.MEETINGS.UPLOAD_AUDIO), formDataUpload, {
           headers: {
diff --git a/src/pages/Dashboard.css b/src/pages/Dashboard.css
index c7c41d5..d549135 100644
--- a/src/pages/Dashboard.css
+++ b/src/pages/Dashboard.css
@@ -80,7 +80,6 @@
   display: grid;
   grid-template-columns: 300px 280px 1fr;
   gap: 2rem;
-  margin-bottom: 2rem;
 }
 
 /* 左侧列：用户卡片和知识库入口垂直排列 */
diff --git a/src/pages/MeetingDetails.jsx b/src/pages/MeetingDetails.jsx
index 572159f..85d69f7 100644
--- a/src/pages/MeetingDetails.jsx
+++ b/src/pages/MeetingDetails.jsx
@@ -124,8 +124,23 @@ const MeetingDetails = ({ user }) => {
         clearInterval(summaryPollInterval);
         setSummaryPollInterval(null);
       }
+      // 停止音频播放
+      if (audioRef.current) {
+        audioRef.current.pause();
+        audioRef.current.currentTime = 0;
+      }
     };
   }, [meeting_id]);
+
+  // 监听audioUrl变化，确保音频正确重置
+  useEffect(() => {
+    // 当audioUrl变化时，停止当前播放并重置audio元素
+    if (audioRef.current) {
+      audioRef.current.pause();
+      audioRef.current.currentTime = 0;
+      audioRef.current.load(); // 重新加载audio元素
+    }
+  }, [audioUrl]);
   
   // Cleanup interval when status changes
   useEffect(() => {
@@ -262,13 +277,37 @@ const MeetingDetails = ({ user }) => {
       // Fetch audio file if available
       try {
         const audioResponse = await apiClient.get(`${baseUrl}${audioEndpoint}`);
-        // Construct URL using uploads path and relative path from database
-        setAudioUrl(`${baseUrl}${audioResponse.data.file_path}`);
+        // Use streaming API endpoint for Safari compatibility (supports HTTP Range requests)
+        setAudioUrl(`${baseUrl}/api/meetings/${meeting_id}/audio/stream`);
         setAudioFileName(audioResponse.data.file_name);
+
+        // 重置音频状态（新会议的音频）
+        setIsPlaying(false);
+        setCurrentTime(0);
+        setDuration(0);
+        setAudioLoading(true);
+        setAudioCanPlay(false);
+        setAudioBuffering(false);
+        setAudioError(null);
+        setCurrentSubtitle('');
+        setCurrentSpeaker('');
+        setCurrentHighlightIndex(-1);
       } catch (audioError) {
         console.warn('No audio file available:', audioError);
         setAudioUrl(null);
         setAudioFileName(null);
+
+        // 重置音频状态（无音频）
+        setIsPlaying(false);
+        setCurrentTime(0);
+        setDuration(0);
+        setAudioLoading(false);
+        setAudioCanPlay(false);
+        setAudioBuffering(false);
+        setAudioError(null);
+        setCurrentSubtitle('');
+        setCurrentSpeaker('');
+        setCurrentHighlightIndex(-1);
       }
       
       // Fetch transcript segments from database
@@ -397,6 +436,7 @@ const MeetingDetails = ({ user }) => {
       formDataUpload.append('audio_file', audioFile);
       formDataUpload.append('meeting_id', meeting_id);
       formDataUpload.append('force_replace', 'true');
+      formDataUpload.append('auto_summarize', 'false');
 
       const response = await apiClient.post(buildApiUrl(API_ENDPOINTS.MEETINGS.UPLOAD_AUDIO), formDataUpload, {
         headers: {
@@ -1226,6 +1266,7 @@ const MeetingDetails = ({ user }) => {
                     </div>
                   )}
                   <audio
+                    key={audioUrl || 'no-audio'} // 使用audioUrl作为key，确保切换会议时重新创建audio元素
                     ref={audioRef}
                     onTimeUpdate={handleTimeUpdate}
                     onLoadedMetadata={handleLoadedMetadata}