diff --git a/academic_codes/2019.11.03_three_body_moving_on_2D_space/big_mass_in_one_body/step_0.1.py b/academic_codes/2019.11.03_three_body_moving_on_2D_space/big_mass_in_one_body/step_0.1.py
index a4e6b76..a715bf4 100755
--- a/academic_codes/2019.11.03_three_body_moving_on_2D_space/big_mass_in_one_body/step_0.1.py
+++ b/academic_codes/2019.11.03_three_body_moving_on_2D_space/big_mass_in_one_body/step_0.1.py
@@ -1,7 +1,7 @@
 import numpy as np
 import matplotlib.pyplot as plt
 import os
-os.chdir('D:/data')  # 设置路径
+# os.chdir('E:/data')  # 设置路径
 
 # 万有引力常数
 G = 1
diff --git a/academic_codes/2019.11.03_three_body_moving_on_2D_space/relatively_big_mass_in_one_body/step_0.05.py b/academic_codes/2019.11.03_three_body_moving_on_2D_space/relatively_big_mass_in_one_body/step_0.05.py
index af818b3..0a63032 100755
--- a/academic_codes/2019.11.03_three_body_moving_on_2D_space/relatively_big_mass_in_one_body/step_0.05.py
+++ b/academic_codes/2019.11.03_three_body_moving_on_2D_space/relatively_big_mass_in_one_body/step_0.05.py
@@ -1,7 +1,7 @@
 import numpy as np
 import matplotlib.pyplot as plt
 import os
-os.chdir('D:/data')  # 设置路径
+# os.chdir('E:/data')  # 设置路径
 
 # 万有引力常数
 G = 1
diff --git a/academic_codes/2019.11.03_three_body_moving_on_2D_space/relatively_big_mass_in_one_body/step_0.1.py b/academic_codes/2019.11.03_three_body_moving_on_2D_space/relatively_big_mass_in_one_body/step_0.1.py
index 60e253e..3b23a24 100755
--- a/academic_codes/2019.11.03_three_body_moving_on_2D_space/relatively_big_mass_in_one_body/step_0.1.py
+++ b/academic_codes/2019.11.03_three_body_moving_on_2D_space/relatively_big_mass_in_one_body/step_0.1.py
@@ -1,7 +1,7 @@
 import numpy as np
 import matplotlib.pyplot as plt
 import os
-os.chdir('D:/data')  # 设置路径
+# os.chdir('E:/data')  # 设置路径
 
 # 万有引力常数
 G = 1
diff --git a/academic_codes/2019.11.03_three_body_moving_on_2D_space/three_body_mass_with_little_difference/step_0.05.py b/academic_codes/2019.11.03_three_body_moving_on_2D_space/three_body_mass_with_little_difference/step_0.05.py
index 174b16d..a2f84f6 100755
--- a/academic_codes/2019.11.03_three_body_moving_on_2D_space/three_body_mass_with_little_difference/step_0.05.py
+++ b/academic_codes/2019.11.03_three_body_moving_on_2D_space/three_body_mass_with_little_difference/step_0.05.py
@@ -1,7 +1,7 @@
 import numpy as np
 import matplotlib.pyplot as plt
 import os
-os.chdir('D:/data')  # 设置路径
+# os.chdir('E:/data')  # 设置路径
 
 # 万有引力常数
 G = 1
diff --git a/academic_codes/2019.11.03_three_body_moving_on_2D_space/three_body_mass_with_little_difference/step_0.1.py b/academic_codes/2019.11.03_three_body_moving_on_2D_space/three_body_mass_with_little_difference/step_0.1.py
index f3f9fa1..2a37f99 100755
--- a/academic_codes/2019.11.03_three_body_moving_on_2D_space/three_body_mass_with_little_difference/step_0.1.py
+++ b/academic_codes/2019.11.03_three_body_moving_on_2D_space/three_body_mass_with_little_difference/step_0.1.py
@@ -1,7 +1,7 @@
 import numpy as np
 import matplotlib.pyplot as plt
 import os
-os.chdir('D:/data')  # 设置路径
+# os.chdir('E:/data')  # 设置路径
 
 # 万有引力常数
 G = 1