diff --git a/pepper_and_salt.py b/pepper_and_salt.py
index 293f0fe..cf9180e 100644
--- a/pepper_and_salt.py
+++ b/pepper_and_salt.py
@@ -7,17 +7,34 @@ from adaptive_median_filter import adaptive_median_filter
 #读取照片
 image_saltandpep = cv2.imread("file/circuitboard-saltandpep.tif", cv2.IMREAD_GRAYSCALE)
 
-# 自适应中值滤波
-image_saltandpep2 = adaptive_median_filter(image_saltandpep)
+#设置窗口大小
+kernel_size_windows1 = 3
+kernel_size_windows2 = 7
+kernel_size_windows3 = 15
 
-plt.subplot(1,2,1)
+# 自适应中值滤波
+image_saltandpep2 = adaptive_median_filter(image_saltandpep,kernel_size_windows1)
+image_saltandpep3 = adaptive_median_filter(image_saltandpep,kernel_size_windows2)
+image_saltandpep4 = adaptive_median_filter(image_saltandpep,kernel_size_windows3)
+
+plt.subplot(2,2,1)
 plt.imshow(image_saltandpep, cmap='gray')
 plt.title('3.胡椒噪声和盐噪声')
 plt.axis('off')
 
-plt.subplot(1,2,2)
+plt.subplot(2,2,2)
 plt.imshow(image_saltandpep2, cmap='gray')
-plt.title('3.自适应中值滤波_胡椒噪声和盐噪声')
+plt.title('3.自适应中值滤波_胡椒噪声和盐噪声(窗口大小3)')
+plt.axis('off')
+
+plt.subplot(2,2,3)
+plt.imshow(image_saltandpep3, cmap='gray')
+plt.title('3.自适应中值滤波_胡椒噪声和盐噪声(窗口大小7)')
+plt.axis('off')
+
+plt.subplot(2,2,4)
+plt.imshow(image_saltandpep4, cmap='gray')
+plt.title('3.自适应中值滤波_胡椒噪声和盐噪声(窗口大小15)')
 plt.axis('off')
 
 plt.tight_layout()