diff --git a/API_Reference/API_Reference.py b/API_Reference/API_Reference.py
index 4112026..2e9410a 100644
--- a/API_Reference/API_Reference.py
+++ b/API_Reference/API_Reference.py
@@ -247,11 +247,13 @@ guan.plot_3d_surface(x_array, y_array, matrix, xlabel='x', ylabel='y', zlabel='z
 
 guan.plot_contour(x_array, y_array, matrix, xlabel='x', ylabel='y', title='', fontsize=20, labelsize=15, show=1, save=0, filename='a', format='jpg', dpi=300)
 
-guan.combine_two_images(image_path_array, figsize=(16,8), show=0, save=1, save_name='a', save_format='jpg', dpi=300)
+guan.combine_two_images(image_path_array, figsize=(16,8), show=0, save=1, filename='a', format='jpg', dpi=300)
 
-guan.combine_three_images(image_path_array, figsize=(16,5), show=0, save=1, save_name='a', save_format='jpg', dpi=300)
+guan.combine_three_images(image_path_array, figsize=(16,5), show=0, save=1, filename='a', format='jpg', dpi=300)
 
-guan.combine_four_images(image_path_array, figsize=(16,16), show=0, save=1, save_name='a', save_format='jpg', dpi=300)
+guan.combine_four_images(image_path_array, figsize=(16,16), show=0, save=1, filename='a', format='jpg', dpi=300)
+
+guan.make_gif(image_path_array, filename='a', duration=0.1)
 
 
 
diff --git a/PyPI/setup.cfg b/PyPI/setup.cfg
index 6584f72..9753f74 100644
--- a/PyPI/setup.cfg
+++ b/PyPI/setup.cfg
@@ -1,7 +1,7 @@
 [metadata]
 # replace with your username:
 name = guan
-version = 0.0.79
+version = 0.0.80
 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 bbda342..3fd8548 100644
--- a/PyPI/src/guan/__init__.py
+++ b/PyPI/src/guan/__init__.py
@@ -1592,7 +1592,7 @@ def plot_contour(x_array, y_array, matrix, xlabel='x', ylabel='y', title='', fon
         plt.show()
     plt.close('all')
 
-def combine_two_images(image_path_array, figsize=(16,8), show=0, save=1, save_name='a', save_format='jpg', dpi=300):
+def combine_two_images(image_path_array, figsize=(16,8), show=0, save=1, filename='a', format='jpg', dpi=300):
     num = np.array(image_path_array).shape[0]
     if num != 2:
         print('Error: The number of images should be two!')
@@ -1612,10 +1612,10 @@ def combine_two_images(image_path_array, figsize=(16,8), show=0, save=1, save_na
         if show == 1:
             plt.show()
         if save == 1:
-            plt.savefig(save_name+'.'+save_format, dpi=dpi)
+            plt.savefig(filename+'.'+format, dpi=dpi)
         plt.close('all')
 
-def combine_three_images(image_path_array, figsize=(16,5), show=0, save=1, save_name='a', save_format='jpg', dpi=300):
+def combine_three_images(image_path_array, figsize=(16,5), show=0, save=1, filename='a', format='jpg', dpi=300):
     num = np.array(image_path_array).shape[0]
     if num != 3:
         print('Error: The number of images should be three!')
@@ -1639,10 +1639,10 @@ def combine_three_images(image_path_array, figsize=(16,5), show=0, save=1, save_
         if show == 1:
             plt.show()
         if save == 1:
-            plt.savefig(save_name+'.'+save_format, dpi=dpi)
+            plt.savefig(filename+'.'+format, dpi=dpi)
         plt.close('all')
 
-def combine_four_images(image_path_array, figsize=(16,16), show=0, save=1, save_name='a', save_format='jpg', dpi=300):
+def combine_four_images(image_path_array, figsize=(16,16), show=0, save=1, filename='a', format='jpg', dpi=300):
     num = np.array(image_path_array).shape[0]
     if num != 4:
         print('Error: The number of images should be four!')
@@ -1670,9 +1670,17 @@ def combine_four_images(image_path_array, figsize=(16,16), show=0, save=1, save_
         if show == 1:
             plt.show()
         if save == 1:
-            plt.savefig(save_name+'.'+save_format, dpi=dpi)
+            plt.savefig(filename+'.'+format, dpi=dpi)
         plt.close('all')
 
+def make_gif(image_path_array, filename='a', duration=0.1):
+    import imageio
+    images = []
+    for image_path in image_path_array:
+        im = imageio.imread(image_path)
+        images.append(im)
+    imageio.mimsave(filename+'.gif', images, 'GIF', duration=duration)
+