diff --git a/server/restapi/MMVC_Rest_Fileuploader.py b/server/restapi/MMVC_Rest_Fileuploader.py
index 8b44253a..1dfa9c01 100644
--- a/server/restapi/MMVC_Rest_Fileuploader.py
+++ b/server/restapi/MMVC_Rest_Fileuploader.py
@@ -1,3 +1,4 @@
+import sys
 import json
 import os
 import shutil
@@ -42,7 +43,7 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(res)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
 
     def post_concat_uploaded_file(self, filename: str = Form(...), filenameChunkNum: int = Form(...)):
         try:
@@ -50,7 +51,7 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(res)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
 
     def get_info(self):
         try:
@@ -58,7 +59,7 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(info)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
 
     def get_performance(self):
         try:
@@ -66,7 +67,7 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(info)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
 
     def post_update_settings(self, key: str = Form(...), val: Union[int, str, float] = Form(...)):
         try:
@@ -75,7 +76,8 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(info)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
+            print(sys.exc_info()[2].tb_lineno)
 
     def post_load_model(
         self,
@@ -105,7 +107,7 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(info)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
 
     def post_model_type(self, modelType: ModelType = Form(...)):
         try:
@@ -113,7 +115,7 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(info)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
 
     def get_model_type(self):
         try:
@@ -121,7 +123,7 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(info)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
 
     def get_onnx(self):
         try:
@@ -129,7 +131,7 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(info)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
 
     def post_merge_models(self, request: str = Form(...)):
         try:
@@ -138,7 +140,7 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(info)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
 
     def post_update_model_default(self):
         try:
@@ -146,7 +148,7 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(info)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
 
     def post_update_model_info(self, newData: str = Form(...)):
         try:
@@ -154,7 +156,7 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(info)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
 
     def post_upload_model_assets(self, params: str = Form(...)):
         try:
@@ -162,4 +164,4 @@ class MMVC_Rest_Fileuploader:
             json_compatible_item_data = jsonable_encoder(info)
             return JSONResponse(content=json_compatible_item_data)
         except Exception as e:
-            print("[Voice Changer] ", e)
+            print("[Voice Changer] ex:", e)
diff --git a/server/voice_changer/ModelSlotManager.py b/server/voice_changer/ModelSlotManager.py
index 14dd075d..437a8ae4 100644
--- a/server/voice_changer/ModelSlotManager.py
+++ b/server/voice_changer/ModelSlotManager.py
@@ -1,5 +1,5 @@
 from const import UPLOAD_DIR
-from data.ModelSlot import ModelSlots, loadAllSlotInfo, loadSlotInfo, saveSlotInfo
+from data.ModelSlot import ModelSlots, loadAllSlotInfo, saveSlotInfo
 from voice_changer.utils.VoiceChangerParams import VoiceChangerParams
 import json
 import os
diff --git a/server/voice_changer/VoiceChanger.py b/server/voice_changer/VoiceChanger.py
index b9c83c71..8924bf43 100755
--- a/server/voice_changer/VoiceChanger.py
+++ b/server/voice_changer/VoiceChanger.py
@@ -1,6 +1,5 @@
 from typing import Any, Union, cast
 
-import socketio
 from const import TMP_DIR, ModelType
 import torch
 import os
@@ -61,12 +60,7 @@ class VoiceChangerSettings:
 
 class VoiceChanger:
     ioRecorder: IORecorder
-    sola_buffer: AudioInOut
-    namespace: socketio.AsyncNamespace | None = None
-
-    localPerformanceShowTime = 0.0
-
-    emitTo = None
+    #    sola_buffer: AudioInOut
 
     def __init__(self, params: VoiceChangerParams):
         # 初期化