diff --git a/crates/yaejuyang-supertonic/src/main.rs b/crates/yaejuyang-supertonic/src/main.rs
index 51f7481..cfce68c 100644
--- a/crates/yaejuyang-supertonic/src/main.rs
+++ b/crates/yaejuyang-supertonic/src/main.rs
@@ -48,7 +48,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
     let sound_size_mul: f32 = std::env::var("SUPERTONIC_SIZE_MUL")
         .ok()
         .and_then(|v| v.parse().ok())
-        .unwrap_or(1.5);
+        .unwrap_or(1.0f32);
 
     let model_path = PathBuf::from(&model_dir);
     tts::assets::ensure_assets(&model_path, &hf_repo)?;
diff --git a/packages/bot/tts.ts b/packages/bot/tts.ts
index 1e55912..513059d 100644
--- a/packages/bot/tts.ts
+++ b/packages/bot/tts.ts
@@ -28,11 +28,20 @@ class VoiceQueue {
     return ((connection as any).queue ??= new VoiceQueue(connection));
   }
   private play() {
-    if (!this.list[0]) return;
-    const player = (this.currentPlayer = createAudioPlayer());
-    this.connection.subscribe(player);
-    player.once(AudioPlayerStatus.Idle, this.next.bind(this));
-    player.play(this.list[0]);
+    try {
+      if (!this.list[0]) return;
+      const player = (this.currentPlayer = createAudioPlayer());
+      const sub = this.connection.subscribe(player);
+      if (!sub) {
+        this.next();
+        return;
+      }
+      player.once(AudioPlayerStatus.Idle, this.next.bind(this));
+      player.play(this.list[0]);
+    } catch (err) {
+      console.error(`VoiceQueue play failed: ${err}`);
+      this.next();
+    }
   }
   public enqueue(resource: AudioResource) {
     this.list.push(resource);
@@ -42,7 +51,11 @@ class VoiceQueue {
     }
   }
   public next() {
-    this.currentPlayer?.removeAllListeners(AudioPlayerStatus.Idle);
+    try {
+      this.currentPlayer?.removeAllListeners(AudioPlayerStatus.Idle);
+    } catch (err) {
+      console.log(`VoiceQueue next listener remove failed: ${err}`);
+    }
     this.list.shift();
     this.play();
   }
diff --git a/packages/tts/index.ts b/packages/tts/index.ts
index e2349e2..b765c6d 100644
--- a/packages/tts/index.ts
+++ b/packages/tts/index.ts
@@ -80,11 +80,11 @@ export namespace TTSModelBase {
   export function bufferToAudioResource(buf: Buffer): AudioResource {
     const stream = Readable.from(buf);
     const resource = createAudioResource(stream, {
-      inlineVolume: true,
+      // inlineVolume: true,
       inputType: StreamType.Arbitrary,
     });
 
-    resource.volume?.setVolume(0.3);
+    // resource.volume?.setVolume(0.3);
     return resource;
   }
   export function hashAudioFile(audio: string, suffix: string = ""): string {