no message

webui.py

@@ -136,6 +136,7 @@ def generate_audio(tts_text, mode_checkbox_group, sft_dropdown, prompt_text, pro
 
 # SDK模型下载
 import platform
+import threading
 python_version = platform.python_version()
 print("Python version:", python_version)
 from huggingface_hub import dump_environment_info
@@ -158,18 +159,22 @@ args = parser.parse_args()
 
 cosyvoice_instance = None
 model_dir=args.model_dir
+cosyvoice_lock = threading.Lock()
+
 @spaces.GPU
 def get_cosyvoice():
     global cosyvoice_instance, model_dir
-    # 在这里加入你需要的处理逻辑
-    if cosyvoice_instance is not None:
+    with cosyvoice_lock:
+        if cosyvoice_instance is not None:
+            return cosyvoice_instance
+        cosyvoice_instance=CosyVoice(model_dir)
         return cosyvoice_instance
-    
-    return CosyVoice(model_dir)
 
 @spaces.GPU
 def load_sft_options():
-    return get_cosyvoice().list_avaliable_spks()
+    sound_choices=get_cosyvoice().list_avaliable_spks()
+    sound_choices_dict = {k:v for k, v in zip(sound_choices, sound_choices)}
+    return sound_choices_dict
 
 
 prompt_sr, target_sr = 16000, 22050