diff --git a/GPT_SoVITS/AR/data/bucket_sampler.py b/GPT_SoVITS/AR/data/bucket_sampler.py
index 647491f..45f91d8 100644
--- a/GPT_SoVITS/AR/data/bucket_sampler.py
+++ b/GPT_SoVITS/AR/data/bucket_sampler.py
@@ -1,4 +1,5 @@
-# modified from https://github.com/feng-yufei/shared_debugging_code/blob/main/bucketsampler.py
+# modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/data/bucket_sampler.py
+# reference: https://github.com/lifeiteng/vall-e
 import itertools
 import math
 import random
diff --git a/GPT_SoVITS/AR/data/data_module.py b/GPT_SoVITS/AR/data/data_module.py
index 54d4634..cb94795 100644
--- a/GPT_SoVITS/AR/data/data_module.py
+++ b/GPT_SoVITS/AR/data/data_module.py
@@ -1,4 +1,5 @@
-# modified from https://github.com/feng-yufei/shared_debugging_code/blob/main/data_module.py
+# modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/data/data_module.py
+# reference: https://github.com/lifeiteng/vall-e
 from pytorch_lightning import LightningDataModule
 from AR.data.bucket_sampler import DistributedBucketSampler
 from AR.data.dataset import Text2SemanticDataset
diff --git a/GPT_SoVITS/AR/data/dataset.py b/GPT_SoVITS/AR/data/dataset.py
index b1ea69e..1a2ffef 100644
--- a/GPT_SoVITS/AR/data/dataset.py
+++ b/GPT_SoVITS/AR/data/dataset.py
@@ -1,4 +1,5 @@
-# modified from https://github.com/feng-yufei/shared_debugging_code/blob/main/t2s_dataset.py
+# modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/data/dataset.py
+# reference: https://github.com/lifeiteng/vall-e
 import pdb
 import sys
 
diff --git a/GPT_SoVITS/AR/models/t2s_lightning_module.py b/GPT_SoVITS/AR/models/t2s_lightning_module.py
index 594b73b..2dd3f39 100644
--- a/GPT_SoVITS/AR/models/t2s_lightning_module.py
+++ b/GPT_SoVITS/AR/models/t2s_lightning_module.py
@@ -1,4 +1,5 @@
-# modified from https://github.com/feng-yufei/shared_debugging_code/blob/main/model/t2s_lightning_module.py
+# modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/models/t2s_lightning_module.py
+# reference: https://github.com/lifeiteng/vall-e
 import os, sys
 
 now_dir = os.getcwd()
diff --git a/GPT_SoVITS/AR/models/t2s_lightning_module_onnx.py b/GPT_SoVITS/AR/models/t2s_lightning_module_onnx.py
index bb9e30b..487edb0 100644
--- a/GPT_SoVITS/AR/models/t2s_lightning_module_onnx.py
+++ b/GPT_SoVITS/AR/models/t2s_lightning_module_onnx.py
@@ -1,4 +1,5 @@
-# modified from https://github.com/feng-yufei/shared_debugging_code/blob/main/model/t2s_lightning_module.py
+# modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/models/t2s_lightning_module.py
+# reference: https://github.com/lifeiteng/vall-e
 import os, sys
 
 now_dir = os.getcwd()
diff --git a/GPT_SoVITS/AR/models/t2s_model.py b/GPT_SoVITS/AR/models/t2s_model.py
index 815ecec..c8ad3d8 100644
--- a/GPT_SoVITS/AR/models/t2s_model.py
+++ b/GPT_SoVITS/AR/models/t2s_model.py
@@ -1,4 +1,5 @@
-# modified from https://github.com/feng-yufei/shared_debugging_code/blob/main/model/t2s_model.py
+# modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/models/t2s_model.py
+# reference: https://github.com/lifeiteng/vall-e
 import torch
 from tqdm import tqdm
 
diff --git a/GPT_SoVITS/AR/models/t2s_model_onnx.py b/GPT_SoVITS/AR/models/t2s_model_onnx.py
index 92f2d74..7834297 100644
--- a/GPT_SoVITS/AR/models/t2s_model_onnx.py
+++ b/GPT_SoVITS/AR/models/t2s_model_onnx.py
@@ -1,4 +1,5 @@
-# modified from https://github.com/feng-yufei/shared_debugging_code/blob/main/model/t2s_model.py
+# modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/models/t2s_model.py
+# reference: https://github.com/lifeiteng/vall-e
 import torch
 from tqdm import tqdm
 
diff --git a/GPT_SoVITS/AR/models/utils.py b/GPT_SoVITS/AR/models/utils.py
index 84063f8..9678c7e 100644
--- a/GPT_SoVITS/AR/models/utils.py
+++ b/GPT_SoVITS/AR/models/utils.py
@@ -1,4 +1,5 @@
-# modified from https://github.com/feng-yufei/shared_debugging_code/blob/main/model/utils.py\
+# modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/models/utils.py
+# reference: https://github.com/lifeiteng/vall-e
 import torch
 import torch.nn.functional as F
 from typing import Tuple
diff --git a/GPT_SoVITS/AR/modules/lr_schedulers.py b/GPT_SoVITS/AR/modules/lr_schedulers.py
index 7dec462..b886746 100644
--- a/GPT_SoVITS/AR/modules/lr_schedulers.py
+++ b/GPT_SoVITS/AR/modules/lr_schedulers.py
@@ -1,4 +1,5 @@
-# modified from https://github.com/feng-yufei/shared_debugging_code/blob/main/model/lr_schedulers.py
+# modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/modules/lr_schedulers.py
+# reference: https://github.com/lifeiteng/vall-e
 import math
 
 import torch
diff --git a/GPT_SoVITS/AR/text_processing/phonemizer.py b/GPT_SoVITS/AR/text_processing/phonemizer.py
index 9fcf5c0..9c5f58f 100644
--- a/GPT_SoVITS/AR/text_processing/phonemizer.py
+++ b/GPT_SoVITS/AR/text_processing/phonemizer.py
@@ -1,4 +1,5 @@
-# modified from https://github.com/feng-yufei/shared_debugging_code/blob/main/text_processing/phonemizer.py
+# modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/text_processing/phonemizer.py
+# reference: https://github.com/lifeiteng/vall-e
 import itertools
 import re
 from typing import Dict
diff --git a/GPT_SoVITS/AR/text_processing/symbols.py b/GPT_SoVITS/AR/text_processing/symbols.py
index c57e2d4..7d754a7 100644
--- a/GPT_SoVITS/AR/text_processing/symbols.py
+++ b/GPT_SoVITS/AR/text_processing/symbols.py
@@ -1,4 +1,5 @@
-# modified from https://github.com/feng-yufei/shared_debugging_code/blob/main/text_processing/symbols.py
+# modified from https://github.com/yangdongchao/SoundStorm/blob/master/soundstorm/s1/AR/text_processing/symbols.py
+# reference: https://github.com/lifeiteng/vall-e
 PAD = "_"
 PUNCTUATION = ';:,.!?¡¿—…"«»“” '
 LETTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"