diff --git a/vite/public/assets/1014/Q4-1-1.mp3 b/vite/public/assets/1014/Q4-1-1.mp3
deleted file mode 100644
index ab655dd..0000000
Binary files a/vite/public/assets/1014/Q4-1-1.mp3 and /dev/null differ
diff --git a/vite/public/assets/1016/Q4-1-1.mp3 b/vite/public/assets/1016/Q4-1-1.mp3
new file mode 100644
index 0000000..15fa742
Binary files /dev/null and b/vite/public/assets/1016/Q4-1-1.mp3 differ
diff --git a/vite/public/cuelist_1009.json b/vite/public/cuelist_1009.json
index 00d0d91..d2e00b8 100644
--- a/vite/public/cuelist_1009.json
+++ b/vite/public/cuelist_1009.json
@@ -49,7 +49,7 @@
             "nextcue": 4.1,
             "callback":"numpad",
             "numpad_type":"userid",
-            "input_time": 26000
+            "input_time": 26000 
         },
         { 
             "id": 4.1, 
@@ -68,7 +68,7 @@
             "type": "phone",
             "description": "裝置啟動",
             "auto": true,
-            "audioFile": "assets/0926/Q4-1-1_0926.mp3",
+            "audioFile": "assets/1016/Q4-1-1.mp3",
             "nextcue": 4.2,
             "status":"intro",
             "status_delay": 3000
diff --git a/vite/src/pages/flow_free.jsx b/vite/src/pages/flow_free.jsx
index 1f9b420..8e011ce 100644
--- a/vite/src/pages/flow_free.jsx
+++ b/vite/src/pages/flow_free.jsx
@@ -116,6 +116,9 @@ export function FreeFlow(){
 
         setPadInput();
         setChoice();
+
+        if(refChatTimer.current) clearInterval(refChatTimer.current);
+
     }
 
     function onOsc(payload){
@@ -510,10 +513,18 @@ export function FreeFlow(){
         // refSpeechPaused.current=false;
     }
     function sendSpeechStart(){
+
+        if(refCurrentCue.current?.type!='chat') return;
+
+        console.log('------- speech start -------');
         sendOsc(OSC_ADDRESS.SPEECH, 'start');
         refSpeaking.current=true;
     }
     function sendSpeechEnd(){
+
+        // if(refCurrentCue.current?.type!='chat' || chatStatus!=ChatStatus.User) return;
+
+        console.log('------- speech end -------');
         sendOsc(OSC_ADDRESS.SPEECH, 'stop');
         refSpeaking.current=false;
     }
@@ -700,7 +711,9 @@ export function FreeFlow(){
 
         // sendOsc(OSC_ADDRESS.SPEECH_PAUSE, data.speech_idle_time.toString());
         refPauseTimer.current=setTimeout(()=>{
-            refSpeaking.current=false;
+            
+            // sendSpeechEnd();
+
             console.log('~~~ pause timer ended, process speech');
             // if(refSpeechPaused.current) 
             processSpeech();
@@ -712,10 +725,12 @@ export function FreeFlow(){
 
     function onSpeechEnd(){
 
-        sendSpeechEnd();
+        
 
         if(currentCue?.type!='chat') return; // Only process if current cue is user input        
         if(chatStatus!=ChatStatus.User) return; // Only process if chat status is User
+
+        sendSpeechEnd();
        
         console.log('~~~ on speech end, start pause timer',data.speech_idle_time);
         // refSpeechPaused.current=true;
@@ -730,7 +745,7 @@ export function FreeFlow(){
         if(refChatTimer.current) clearInterval(refChatTimer.current);
         // sendOsc(OSC_ADDRESS.COUNTDOWN, '0'); // Reset countdown
         
-        sendSpeechEnd();
+        // sendSpeechEnd();
 
         if(currentCue?.type!='chat') return; // Only process if current cue is user input        
         
@@ -810,7 +825,7 @@ export function FreeFlow(){
             recognition.onspeechstart=(e)=>{
 
                 console.log('Speech start:', e);
-                refSpeaking.current=true;
+                sendSpeechStart();
 
             };
             // recognition.onspeechend=(e)=>{
@@ -846,8 +861,8 @@ export function FreeFlow(){
             }
             
             if(transcript.length>0){
-                sendSpeechStart();
-                if(refChatTimer.current) clearInterval(refChatTimer.current);
+                // sendSpeechStart();
+                // if(refChatTimer.current) clearInterval(refChatTimer.current);
             }
 
             sendOscStatus(OSC_ADDRESS.CLIENT_INPUT, `${data.id}#${transcript}`);
@@ -868,9 +883,11 @@ export function FreeFlow(){
                 console.log('Still speaking, do not play AI audio yet');
                 sendPrompt();
                 return;
+            }else{
+                // play ai audio
+                console.log('AI audio ready, play it:', audioUrl);
+                playAudio(audioUrl);
             }
-            // play ai audio
-            playAudio(audioUrl);
         }
 
     },[audioUrl]);
@@ -902,7 +919,7 @@ export function FreeFlow(){
        
 
         sendOsc(OSC_ADDRESS.INPUT, text);
-        sendSpeechEnd();
+        // sendSpeechEnd();
 
     },[chatStatus]);