add log

app.py

@@ -663,7 +663,7 @@ def generate_tts():
     # --- End Cache Check ---
 
     # --- Cache Miss: Generate on the fly ---
-    app.logger.info(f"TTS Cache MISS for: '{text[:50]}...'. Generating on the fly.")
+    app.logger.warning(f"TTS Cache MISS for: '{text[:50]}...'. Generating on the fly.")
     available_models = Model.query.filter_by(
         model_type=ModelType.TTS, is_active=True
     ).all()
@@ -688,6 +688,7 @@ def generate_tts():
                 and audio_b_path and os.path.exists(audio_b_path)
                 and not has_long_silence(audio_b_path)):
                 valid_pairs.append((model_a, audio_a_path, model_b, audio_b_path))
+                app.logger.warning(f"Found valid model pair: {model_a.name} and {model_b.name} for text '{text[:50]}...'")
     if not valid_pairs:
         return jsonify({"error": "所有模型均未通过持久化缓存和静音检测，无法生成音频"}), 500