diff --git a/crslab/data/dataset/redial/redial_dataset.py b/crslab/data/dataset/redial/redial_dataset.py
index 39ae24c..2a705bb 100644
--- a/crslab/data/dataset/redial/redial_dataset.py
+++ b/crslab/data/dataset/redial/redial_dataset.py
@@ -3,7 +3,7 @@
 # @Email  : francis_kun_zhou@163.com
 
 # UPDATE:
-# @Time   : 2020/11/23, 2021/1/2, 2020/12/19
+# @Time   : 2020/11/23, 2021/1/3, 2020/12/19
 # @Author : Kun Zhou, Xiaolei Wang, Yuanhang Zhou
 # @Email  : francis_kun_zhou@163.com, wxl1999@foxmail.com, sdzyh002@gmail
 
diff --git a/crslab/data/dataset/redial/resource.py b/crslab/data/dataset/redial/resource.py
index 859d744..67fa2cd 100644
--- a/crslab/data/dataset/redial/resource.py
+++ b/crslab/data/dataset/redial/resource.py
@@ -12,7 +12,7 @@
 
 resources = {
     'nltk': {
-        'version': '0.3',
+        'version': '0.31',
         'file': DownloadableFile(
             'http://d0.ananas.chaoxing.com/download/417f6ac16282e4910fc93973e954ab42?fn=nltk',
             'redial_nltk.zip',
@@ -28,7 +28,7 @@
         },
     },
     'bert': {
-        'version': '0.3',
+        'version': '0.31',
         'file': DownloadableFile(
             'http://d0.ananas.chaoxing.com/download/34869653883b3eeb5d8d7c261207680e?fn=bert',
             'redial_bert.zip',
@@ -46,7 +46,7 @@
         },
     },
     'gpt2': {
-        'version': '0.3',
+        'version': '0.31',
         'file': DownloadableFile(
             'http://d0.ananas.chaoxing.com/download/bd10bcbc0f0bfe74dcc48fafaf518ae5?fn=gpt2',
             'redial_gpt2.zip',
diff --git a/crslab/model/kbrd/kbrd_model.py b/crslab/model/kbrd/kbrd_model.py
index 3892683..cbde28f 100644
--- a/crslab/model/kbrd/kbrd_model.py
+++ b/crslab/model/kbrd/kbrd_model.py
@@ -4,7 +4,7 @@
 # @email   :   wxl1999@foxmail.com
 
 # UPDATE
-# @Time    :   2020/12/29
+# @Time    :   2021/1/3
 # @Author  :   Xiaolei Wang
 # @email   :   wxl1999@foxmail.com
 
diff --git a/crslab/system/kbrd_system.py b/crslab/system/kbrd_system.py
index 874ede7..83cd89d 100644
--- a/crslab/system/kbrd_system.py
+++ b/crslab/system/kbrd_system.py
@@ -4,7 +4,7 @@
 # @email   :   wxl1999@foxmail.com
 
 # UPDATE
-# @Time    :   2020/12/29
+# @Time    :   2021/1/3
 # @Author  :   Xiaolei Wang
 # @email   :   wxl1999@foxmail.com