diff --git a/attentions.py b/attentions.py
index b5f2fec..1192dd7 100644
--- a/attentions.py
+++ b/attentions.py
@@ -1,13 +1,14 @@
 import copy
 import math
-import numpy as np
 import torch
 from torch import nn
 from torch.nn import functional as F
 
 import commons
-import modules
-from torch.nn.utils import weight_norm, remove_weight_norm
+import logging
+
+logger = logging.getLogger(__name__)
+
 class LayerNorm(nn.Module):
   def __init__(self, channels, eps=1e-5):
     super().__init__()
@@ -55,7 +56,7 @@ class Encoder(nn.Module):
         self.spk_emb_linear = nn.Linear(self.gin_channels, self.hidden_channels)
         # vits2 says 3rd block, so idx is 2 by default
         self.cond_layer_idx = kwargs['cond_layer_idx'] if 'cond_layer_idx' in kwargs else 2
-        print(self.gin_channels, self.cond_layer_idx)
+        logging.debug(self.gin_channels, self.cond_layer_idx)
         assert self.cond_layer_idx < self.n_layers, 'cond_layer_idx should be less than n_layers'
     self.drop = nn.Dropout(p_dropout)
     self.attn_layers = nn.ModuleList()
diff --git a/utils.py b/utils.py
index fbd7149..bf825ea 100644
--- a/utils.py
+++ b/utils.py
@@ -11,8 +11,7 @@ import torch
 
 MATPLOTLIB_FLAG = False
 
-logging.basicConfig(stream=sys.stdout, level=logging.DEBUG)
-logger = logging
+logger = logging.getLogger(__name__)
 
 
 def load_checkpoint(checkpoint_path, model, optimizer=None, skip_optimizer=False):
@@ -42,13 +41,12 @@ def load_checkpoint(checkpoint_path, model, optimizer=None, skip_optimizer=False
             new_state_dict[k] = saved_state_dict[k]
             assert saved_state_dict[k].shape == v.shape, (saved_state_dict[k].shape, v.shape)
         except:
-            print("error, %s is not in the checkpoint" % k)
+            logger.error("%s is not in the checkpoint" % k)
             new_state_dict[k] = v
     if hasattr(model, 'module'):
         model.module.load_state_dict(new_state_dict, strict=False)
     else:
         model.load_state_dict(new_state_dict, strict=False)
-    print("load ")
     logger.info("Loaded checkpoint '{}' (iteration {})".format(
         checkpoint_path, iteration))
     return model, optimizer, learning_rate, iteration
diff --git a/webui.py b/webui.py
index 7a58eea..ae387bb 100644
--- a/webui.py
+++ b/webui.py
@@ -3,6 +3,17 @@ import sys, os
 if sys.platform == "darwin":
     os.environ["PYTORCH_ENABLE_MPS_FALLBACK"] = "1"
 
+import logging
+
+logging.getLogger("numba").setLevel(logging.WARNING)
+logging.getLogger("markdown_it").setLevel(logging.WARNING)
+logging.getLogger("urllib3").setLevel(logging.WARNING)
+logging.getLogger("matplotlib").setLevel(logging.WARNING)
+
+logging.basicConfig(level=logging.INFO, format="| %(name)s | %(levelname)s | %(message)s")
+
+logger = logging.getLogger(__name__)
+
 import torch
 import argparse
 import commons
@@ -67,8 +78,12 @@ if __name__ == "__main__":
     parser.add_argument("-m", "--model", default="./logs/as/G_8000.pth", help="path of your model")
     parser.add_argument("-c", "--config", default="./configs/config.json", help="path of your config file")
     parser.add_argument("--share", default=False, help="make link public")
+    parser.add_argument("-d", "--debug", action="store_true", help="enable DEBUG-LEVEL log")
 
     args = parser.parse_args()
+    if args.debug:
+        logger.info("Enable DEBUG-LEVEL log")
+        logging.basicConfig(level=logging.DEBUG)
     hps = utils.get_hparams_from_file(args.config)
 
     device = (
@@ -92,8 +107,7 @@ if __name__ == "__main__":
 
     speaker_ids = hps.data.spk2id
     speakers = list(speaker_ids.keys())
-    app = gr.Blocks()
-    with app:
+    with gr.Blocks() as app:
         with gr.Row():
             with gr.Column():
                 text = gr.TextArea(label="Text", placeholder="Input Text Here",