diff --git a/infer-web.py b/infer-web.py
index b9fc2c6..0717d3d 100644
--- a/infer-web.py
+++ b/infer-web.py
@@ -1,9 +1,5 @@
 import os
 import shutil
-import sys
-
-now_dir = os.getcwd()
-sys.path.append(now_dir)
 import traceback, pdb
 import warnings
 
@@ -40,7 +36,7 @@ from sklearn.cluster import MiniBatchKMeans
 
 logging.getLogger("numba").setLevel(logging.WARNING)
 
-
+now_dir = os.getcwd()
 tmp = os.path.join(now_dir, "TEMP")
 shutil.rmtree(tmp, ignore_errors=True)
 shutil.rmtree(
@@ -156,6 +152,7 @@ for name in os.listdir(weight_uvr5_root):
     if name.endswith(".pth") or "onnx" in name:
         uvr5_names.append(name.replace(".pth", ""))
 
+cpt = None
 
 def vc_single(
     sid,
@@ -172,7 +169,7 @@ def vc_single(
     rms_mix_rate,
     protect,
 ):  # spk_item, input_audio0, vc_transform0,f0_file,f0method0
-    global tgt_sr, net_g, vc, hubert_model, version
+    global tgt_sr, net_g, vc, hubert_model, version, cpt
     if input_audio_path is None:
         return "You need to upload an audio", None
     f0_up_key = int(f0_up_key)
@@ -429,9 +426,7 @@ def get_vc(sid, to_return_protect0, to_return_protect1):
                 else:
                     net_g = SynthesizerTrnMs768NSFsid_nono(*cpt["config"])
             del net_g, cpt
-            if torch.cuda.is_available():
-                torch.cuda.empty_cache()
-            cpt = None
+            if torch.cuda.is_available(): torch.cuda.empty_cache()
         return {"visible": False, "__type__": "update"}
     person = "%s/%s" % (weight_root, sid)
     print("loading %s" % person)
@@ -1253,6 +1248,7 @@ def change_info_(ckpt_path):
 
 
 def export_onnx(ModelPath, ExportedPath):
+    global cpt
     cpt = torch.load(ModelPath, map_location="cpu")
     cpt["config"][-3] = cpt["weight"]["emb_g.weight"].shape[0]
     vec_channels = 256 if cpt.get("version", "v1") == "v1" else 768