diff --git a/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/1D_graphene.py b/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/1D_graphene.py
index 324f378..2faafb8 100755
--- a/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/1D_graphene.py
+++ b/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/1D_graphene.py
@@ -10,7 +10,7 @@ import cmath
 import functools 
 
 
-def hamiltonian(k, N, M, t1):  # Haldane哈密顿量（N是条带的宽度参数）
+def hamiltonian(k, N, M, t1):  # graphene哈密顿量（N是条带的宽度参数）
     # 初始化为零矩阵
     h00 = np.zeros((4*N, 4*N), dtype=complex)
     h01 = np.zeros((4*N, 4*N), dtype=complex)
diff --git a/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/2D_graphene.py b/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/2D_graphene.py
index 8614ec4..fa37b5c 100755
--- a/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/2D_graphene.py
+++ b/academic_codes/2019.10.23_Hamiltonian_and_bands_of_graphene/2D_graphene.py
@@ -10,7 +10,7 @@ import cmath
 import functools  
 
 
-def hamiltonian(k1, k2, M, t1, a=1/sqrt(3)):  # Haldane哈密顿量（a为原子间距，不赋值的话默认为1/sqrt(3)）
+def hamiltonian(k1, k2, M, t1, a=1/sqrt(3)):  # graphene哈密顿量（a为原子间距，不赋值的话默认为1/sqrt(3)）
     # 初始化为零矩阵
     h0 = np.zeros((2, 2), dtype=complex)
     h1 = np.zeros((2, 2), dtype=complex)