diff --git a/PyPI/setup.cfg b/PyPI/setup.cfg
index bc7147b..425df09 100644
--- a/PyPI/setup.cfg
+++ b/PyPI/setup.cfg
@@ -1,7 +1,7 @@
 [metadata]
 # replace with your username:
 name = guan
-version = 0.0.88
+version = 0.0.89
 author = guanjihuan
 author_email = guanjihuan@163.com
 description = An open source python package
diff --git a/PyPI/src/guan/__init__.py b/PyPI/src/guan/__init__.py
index 85f1659..0c28841 100644
--- a/PyPI/src/guan/__init__.py
+++ b/PyPI/src/guan/__init__.py
@@ -303,7 +303,7 @@ guan.make_gif(image_path_array, filename='a', duration=0.1)
 
 parameter_array = guan.preprocess_for_parallel_calculations(parameter_array_all, cpus=1, task_index=0)
 
-guan.change_directory_by_replacement(current_key_word='codes', new_key_word='data')
+guan.change_directory_by_replacement(current_key_word='code', new_key_word='data')
 
 guan.batch_reading_and_plotting(directory, xlabel='x', ylabel='y')
 
@@ -2181,7 +2181,7 @@ def preprocess_for_parallel_calculations(parameter_array_all, cpus=1, task_index
             parameter_array = parameter_array_all[task_index*num_parameter:num_all]
     return parameter_array
 
-def change_directory_by_replacement(current_key_word='codes', new_key_word='data'):
+def change_directory_by_replacement(current_key_word='code', new_key_word='data'):
     import os
     code_path = os.getcwd()
     data_path = code_path.replace('\\', '/')