diff --git a/language_learning/2022.02.16_change_directory_by_replacement/change_directory_by_replacement _with_guan_2.py b/language_learning/2022.02.16_change_directory_by_replacement/change_directory_by_replacement _with_guan_2.py
new file mode 100644
index 0000000..6acba31
--- /dev/null
+++ b/language_learning/2022.02.16_change_directory_by_replacement/change_directory_by_replacement _with_guan_2.py	
@@ -0,0 +1,4 @@
+import guan
+guan.change_directory_by_replacement(current_key_word='institution/codes', new_key_word='local/data')
+with open('data.txt', 'w') as f: # 保存数据
+    f.write('Hello world') 
\ No newline at end of file