diff --git a/web/pages/Assistants.tsx b/web/pages/Assistants.tsx
index 11ae5b6..2428bf6 100644
--- a/web/pages/Assistants.tsx
+++ b/web/pages/Assistants.tsx
@@ -2534,6 +2534,8 @@ export const DebugDrawer: React.FC<{
     const setNsEnabled = useDebugPrefsStore((state) => state.setNsEnabled);
     const agcEnabled = useDebugPrefsStore((state) => state.agcEnabled);
     const setAgcEnabled = useDebugPrefsStore((state) => state.setAgcEnabled);
+    const fastgptInteractiveVoiceEnabled = useDebugPrefsStore((state) => state.fastgptInteractiveVoiceEnabled);
+    const setFastgptInteractiveVoiceEnabled = useDebugPrefsStore((state) => state.setFastgptInteractiveVoiceEnabled);
     const clientToolEnabledMap = useDebugPrefsStore((state) => state.clientToolEnabledMap);
     const setClientToolEnabled = useDebugPrefsStore((state) => state.setClientToolEnabled);
     const hydrateClientToolDefaults = useDebugPrefsStore((state) => state.hydrateClientToolDefaults);
@@ -2752,6 +2754,12 @@ export const DebugDrawer: React.FC<{
       fastgptInteractiveDialogRef.current = fastgptInteractiveDialog;
     }, [fastgptInteractiveDialog]);
 
+    useEffect(() => {
+      if (!fastgptInteractiveVoiceEnabled && fastgptInteractiveDialog.open) {
+        stopPromptVoicePlayback();
+      }
+    }, [fastgptInteractiveVoiceEnabled, fastgptInteractiveDialog.open]);
+
     useEffect(() => {
       dynamicVariableSeqRef.current = 0;
       setDynamicVariables([]);
@@ -3088,7 +3096,7 @@ export const DebugDrawer: React.FC<{
           submitLabel: item.payload.submitLabel,
           cancelLabel: item.payload.cancelLabel,
         });
-        if (nextVoiceText) {
+        if (nextVoiceText && fastgptInteractiveVoiceEnabled) {
           void playPromptVoice(nextVoiceText);
         }
         return;
@@ -3163,6 +3171,10 @@ export const DebugDrawer: React.FC<{
       const fieldValues = snapshot.fieldValues;
       const interactionType = snapshot.interactionType;
       stopPromptVoicePlayback();
+      // Stop only local playback so the resumed FastGPT response can take over
+      // without cancelling the active server-side turn.
+      stopPlaybackImmediately();
+      setAgentState('waiting');
       setFastgptInteractiveDialog({
         open: false,
         interactionType: 'userSelect',
@@ -4605,6 +4617,23 @@ export const DebugDrawer: React.FC<{
               Auto Gain Control (AGC)
             </label>
           </div>
+          <div className="rounded-md border border-white/10 bg-black/20 p-2 space-y-2">
+            <p className="text-[10px] uppercase tracking-widest text-muted-foreground">Prompt Voice</p>
+            <div className="flex items-center justify-between gap-3 rounded-md border border-white/10 bg-black/20 px-2 py-1.5">
+              <div className="min-w-0">
+                <div className="text-[11px] font-mono text-foreground truncate">FastGPT Interactive</div>
+                <div className="text-[10px] text-muted-foreground">
+                  Play the interactive description or prompt voice when the popup opens.
+                </div>
+              </div>
+              <Switch
+                checked={fastgptInteractiveVoiceEnabled}
+                onCheckedChange={setFastgptInteractiveVoiceEnabled}
+                title={fastgptInteractiveVoiceEnabled ? 'Click to mute FastGPT interactive prompt voice' : 'Click to enable FastGPT interactive prompt voice'}
+                aria-label={`FastGPT interactive prompt voice ${fastgptInteractiveVoiceEnabled ? 'enabled' : 'disabled'}`}
+              />
+            </div>
+          </div>
           <div className="rounded-md border border-white/10 bg-black/20 p-2 space-y-2">
             <p className="text-[10px] uppercase tracking-widest text-muted-foreground">Client Tools</p>
             <p className="text-[11px] text-muted-foreground">滑块控制调试会话内客户端工具是否启用。</p>
@@ -5086,7 +5115,7 @@ export const DebugDrawer: React.FC<{
           )}
           {fastgptInteractiveDialog.open && (
             <div className="absolute inset-0 z-40 flex items-center justify-center bg-black/55 backdrop-blur-[1px]">
-              <div className="relative w-[92%] max-w-lg rounded-xl border border-white/15 bg-card/95 p-4 shadow-2xl animate-in zoom-in-95 duration-200">
+              <div className="relative flex max-h-[82vh] w-[92%] max-w-lg flex-col rounded-xl border border-white/15 bg-card/95 p-4 shadow-2xl animate-in zoom-in-95 duration-200">
                 {!fastgptInteractiveDialog.required && (
                   <button
                     type="button"
@@ -5122,6 +5151,7 @@ export const DebugDrawer: React.FC<{
                       </p>
                     )}
                 </div>
+                <div className="min-h-0 overflow-y-auto pr-1 custom-scrollbar">
                 {fastgptInteractiveDialog.interactionType === 'userSelect' ? (
                   <div className="space-y-2">
                     {fastgptInteractiveDialog.options.map((option) => {
@@ -5202,6 +5232,7 @@ export const DebugDrawer: React.FC<{
                     })}
                   </div>
                 )}
+                </div>
                 <div className="mt-4 flex items-center justify-end gap-2">
                   <Button
                     size="sm"
diff --git a/web/stores/debugPrefsStore.ts b/web/stores/debugPrefsStore.ts
index 179ff5f..5ba737c 100644
--- a/web/stores/debugPrefsStore.ts
+++ b/web/stores/debugPrefsStore.ts
@@ -6,11 +6,13 @@ type DebugPrefsState = {
   aecEnabled: boolean;
   nsEnabled: boolean;
   agcEnabled: boolean;
+  fastgptInteractiveVoiceEnabled: boolean;
   clientToolEnabledMap: Record<string, boolean>;
   setWsUrl: (value: string) => void;
   setAecEnabled: (value: boolean) => void;
   setNsEnabled: (value: boolean) => void;
   setAgcEnabled: (value: boolean) => void;
+  setFastgptInteractiveVoiceEnabled: (value: boolean) => void;
   setClientToolEnabled: (toolId: string, enabled: boolean) => void;
   hydrateClientToolDefaults: (toolIds: string[]) => void;
 };
@@ -30,11 +32,13 @@ export const useDebugPrefsStore = create<DebugPrefsState>()(
       aecEnabled: true,
       nsEnabled: true,
       agcEnabled: true,
+      fastgptInteractiveVoiceEnabled: true,
       clientToolEnabledMap: {},
       setWsUrl: (value) => set({ wsUrl: value }),
       setAecEnabled: (value) => set({ aecEnabled: value }),
       setNsEnabled: (value) => set({ nsEnabled: value }),
       setAgcEnabled: (value) => set({ agcEnabled: value }),
+      setFastgptInteractiveVoiceEnabled: (value) => set({ fastgptInteractiveVoiceEnabled: value }),
       setClientToolEnabled: (toolId, enabled) =>
         set((state) => ({
           clientToolEnabledMap: {