diff --git a/API_Reference.py b/API_Reference.py
index 2963a12..2395d8f 100644
--- a/API_Reference.py
+++ b/API_Reference.py
@@ -227,7 +227,7 @@ k_right, k_left, velocity_right, velocity_left, f_right, f_left, u_right, u_left
 
 transmission_matrix, reflection_matrix, k_right, k_left, velocity_right, velocity_left, ind_right_active = guan.calculate_scattering_matrix(fermi_energy, h00, h01, length=100)
 
-number_of_active_channels, number_of_evanescent_channels, k_of_right_moving_active_channels, k_of_left_moving_active_channels, velocity_of_right_moving_active_channels, velocity_of_left_moving_active_channels, transmission_matrix_for_active_channels, reflection_matrix_for_active_channels, total_transmission_of_channels, total_conductance, total_reflection_of_channels, sum_of_transmission_and_reflection_of_channels = guan.information_of_scattering_matrix(fermi_energy, h00, h01, length=100)
+number_of_active_channels, number_of_evanescent_channels, k_of_right_moving_active_channels, k_of_left_moving_active_channels, velocity_of_right_moving_active_channels, velocity_of_left_moving_active_channels, transmission_matrix_for_active_channels, reflection_matrix_for_active_channels, total_transmission_of_channels, total_conductance, total_reflection_of_channels, sum_of_transmission_and_reflection_of_channels = guan.information_of_scattering_matrix(transmission_matrix, reflection_matrix, k_right, k_left, velocity_right, velocity_left, ind_right_active)
 
 guan.print_or_write_scattering_matrix(fermi_energy, h00, h01, length=100, print_show=1, write_file=0, filename='a', format='txt')
 
diff --git a/PyPI/setup.cfg b/PyPI/setup.cfg
index 34a38e4..b0e8575 100644
--- a/PyPI/setup.cfg
+++ b/PyPI/setup.cfg
@@ -1,7 +1,7 @@
 [metadata]
 # replace with your username:
 name = guan
-version = 0.0.110
+version = 0.0.111
 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 63a8b76..9ca3cfd 100644
--- a/PyPI/src/guan/__init__.py
+++ b/PyPI/src/guan/__init__.py
@@ -2,7 +2,7 @@
 
 # With this package, you can calculate band structures, density of states, quantum transport and topological invariant of tight-binding models by invoking the functions you need. Other frequently used functions are also integrated in this package, such as file reading/writing, figure plotting, data processing.
 
-# The current version is guan-0.0.110, updated on July 14, 2022.
+# The current version is guan-0.0.111, updated on July 19, 2022.
 
 # Installation: pip install --upgrade guan
 
@@ -1381,12 +1381,11 @@ def calculate_scattering_matrix(fermi_energy, h00, h01, length=100):
             print('Error Alert: scattering matrix is not normalized!')
     return transmission_matrix, reflection_matrix, k_right, k_left, velocity_right, velocity_left, ind_right_active
 
-def information_of_scattering_matrix(fermi_energy, h00, h01, length=100):
-    if np.array(h00).shape==():
+def information_of_scattering_matrix(transmission_matrix, reflection_matrix, k_right, k_left, velocity_right, velocity_left, ind_right_active):
+    if np.array(transmission_matrix).shape==():
         dim = 1
     else:
-        dim = np.array(h00).shape[0]
-    transmission_matrix, reflection_matrix, k_right, k_left, velocity_right, velocity_left, ind_right_active = guan.calculate_scattering_matrix(fermi_energy, h00, h01, length)
+        dim = np.array(transmission_matrix).shape[0]
     number_of_active_channels = ind_right_active
     number_of_evanescent_channels = dim-ind_right_active
     k_of_right_moving_active_channels = np.real(k_right[0:ind_right_active])