fix

app.py

@@ -413,7 +413,7 @@ def generate_audio_core(video_file, caption):
         status = log_step("🧠 Step 4: Extracting text / video features...")
 
         info = extract_features(clip_chunk, sync_chunk, caption)
-        log_step(f"   Features extracted. ⏱️ Step 4 cost: {time.time() - step_start:.2f}s")
+        log_step(f"⏱️ Step 4 cost: {time.time() - step_start:.2f}s")
 
         # ---- Step 5: Build inference batch ----
         step_start = time.time()