(wip)update file cache pipeline

app.py

@@ -738,12 +738,6 @@ def generate_tts():
         if reference_audio_path and os.path.exists(reference_audio_path):
             os.remove(reference_audio_path)
 
-        # 计算prompt_md5用于后续判断
-        prompt_md5 = ''
-        if reference_audio_path and os.path.exists(reference_audio_path):
-            with open(reference_audio_path, 'rb') as f:
-                prompt_md5 = hashlib.md5(f.read()).hexdigest()
-
         # Check if text and prompt are in predefined libraries
         if text in predefined_texts and prompt_md5 in predefined_prompts.values():
             with preload_cache_lock:
@@ -1175,6 +1169,8 @@ def setup_periodic_tasks():
                 # 增量覆盖：逐个文件对比md5，有diff才覆盖
                 for root, _, files in os.walk(temp_unzip_dir):
                     for fname in files:
+                        if fname.startswith("._"):  # 忽略macOS的资源分支文件
+                            continue
                         rel_path = os.path.relpath(os.path.join(root, fname), temp_unzip_dir)
                         src_file = os.path.join(root, fname)
                         dst_file = os.path.join(PRELOAD_CACHE_DIR, rel_path)