diff --git a/infer/modules/vc/modules.py b/infer/modules/vc/modules.py
index 9069072..a459784 100644
--- a/infer/modules/vc/modules.py
+++ b/infer/modules/vc/modules.py
@@ -165,7 +165,7 @@ class VC:
             times = [0, 0, 0]
 
             if self.hubert_model is None:
-                self.hubert_model = load_hubert(self.config)
+                self.hubert_model = load_hubert(self.config.device, self.config.is_half)
 
             if file_index:
                 file_index = (
diff --git a/infer/modules/vc/utils.py b/infer/modules/vc/utils.py
index c128707..0df05f6 100644
--- a/infer/modules/vc/utils.py
+++ b/infer/modules/vc/utils.py
@@ -9,7 +9,8 @@ def get_index_path_from_model(sid):
             f
             for f in [
                 os.path.join(root, name)
-                for root, _, files in os.walk(os.getenv("index_root"), topdown=False)
+                for path in [os.getenv("outside_index_root"), os.getenv("index_root")]
+                for root, _, files in os.walk(path, topdown=False)
                 for name in files
                 if name.endswith(".index") and "trained" not in name
             ]
@@ -19,14 +20,14 @@ def get_index_path_from_model(sid):
     )
 
 
-def load_hubert(config):
+def load_hubert(device, is_half):
     models, _, _ = checkpoint_utils.load_model_ensemble_and_task(
         ["assets/hubert/hubert_base.pt"],
         suffix="",
     )
     hubert_model = models[0]
-    hubert_model = hubert_model.to(config.device)
-    if config.is_half:
+    hubert_model = hubert_model.to(device)
+    if is_half:
         hubert_model = hubert_model.half()
     else:
         hubert_model = hubert_model.float()