diff --git a/2/1.py b/2/1.py
index 2041350..655ab34 100644
--- a/2/1.py
+++ b/2/1.py
@@ -1,6 +1,6 @@
-import numpy as np
 import cv2 as cv
 import matplotlib.pyplot as plt
+import numpy as np
 
 
 def global_linear_transmation(im, c=0, d=255):
diff --git a/2/2.py b/2/2.py
index d9075a4..65d90db 100644
--- a/2/2.py
+++ b/2/2.py
@@ -1,6 +1,6 @@
-import numpy as np
 import cv2 as cv
 import matplotlib.pyplot as plt
+import numpy as np
 
 
 def gamma_trans(img, gamma=1.0):
diff --git a/2/4.py b/2/4.py
index cbf6fcb..f5b37d8 100644
--- a/2/4.py
+++ b/2/4.py
@@ -1,7 +1,8 @@
 import random as rd
-import numpy as np
+
 import cv2 as cv
 import matplotlib.pyplot as plt
+import numpy as np
 
 
 def addSaltAndPepper(src, percentage):
diff --git a/2/5.py b/2/5.py
index 8717712..eb6c0b9 100644
--- a/2/5.py
+++ b/2/5.py
@@ -1,6 +1,6 @@
 import cv2 as cv
-from matplotlib import pyplot as plt
 import numpy as np
+from matplotlib import pyplot as plt
 
 if __name__ == "__main__":
     img = cv.imread(r"img\iris.jpg", 0)
diff --git a/3/2.py b/3/2.py
index 0651d50..dc2008f 100644
--- a/3/2.py
+++ b/3/2.py
@@ -1,8 +1,9 @@
-import cv2 as cv
-import numpy as np
-from math import *  # type: ignore
 import random
+from math import *  # type: ignore
+
+import cv2 as cv
 import matplotlib.pyplot as plt
+import numpy as np
 
 plt.rcParams["font.sans-serif"] = ["SimSun"]
 plt.rcParams["axes.unicode_minus"] = False
diff --git a/3/3.py b/3/3.py
index fe77795..59e0d04 100644
--- a/3/3.py
+++ b/3/3.py
@@ -1,8 +1,9 @@
-import cv2 as cv
-import numpy as np
-from math import *  # type: ignore
 import random
+from math import *  # type: ignore
+
+import cv2 as cv
 import matplotlib.pyplot as plt
+import numpy as np
 
 plt.rcParams["font.sans-serif"] = ["SimSun"]
 plt.rcParams["axes.unicode_minus"] = False
diff --git a/3/4.py b/3/4.py
index 15de8bb..972e693 100644
--- a/3/4.py
+++ b/3/4.py
@@ -1,6 +1,6 @@
 import cv2 as cv
-import numpy as np
 import matplotlib.pyplot as plt
+import numpy as np
 
 img = cv.imread(r"img\peppers.bmp", 0)
 m, n = img.shape
diff --git a/7/1.py b/7/1.py
index bd6a5ee..c1ea7b7 100644
--- a/7/1.py
+++ b/7/1.py
@@ -1,6 +1,6 @@
 import cv2 as cv
-import numpy as np
 import matplotlib.pyplot as plt
+import numpy as np
 
 plt.rcParams["font.sans-serif"] = ["SimSun"]
 
diff --git a/7/2.py b/7/2.py
index 839809b..b7285eb 100644
--- a/7/2.py
+++ b/7/2.py
@@ -1,6 +1,6 @@
 import cv2 as cv
-import numpy as np
 import matplotlib.pyplot as plt
+import numpy as np
 
 plt.rcParams["font.sans-serif"] = ["SimSun"]
 
diff --git a/8/1.py b/8/1.py
index 84b15ee..c7d72cf 100644
--- a/8/1.py
+++ b/8/1.py
@@ -1,9 +1,12 @@
-from sklearn import datasets
-from skimage.feature import hog
-from sklearn.svm import LinearSVC
-import numpy as np
-import os, math, cv2, struct
+import math
+import os
+import struct
+
 import matplotlib.pyplot as plt
+import numpy as np
+from skimage.feature import hog
+from sklearn import datasets
+from sklearn.svm import LinearSVC
 
 plt.rcParams["font.sans-serif"] = ["Times New Roman"]
 plt.rcParams["axes.unicode_minus"] = False
@@ -394,8 +397,8 @@ print(metrics.classification_report(testlabels, test_est))
 
 print(testlabels.shape)
 
-from sklearn.svm import LinearSVC
 from sklearn.ensemble import RandomForestClassifier
+from sklearn.svm import LinearSVC
 
 rf_model = RandomForestClassifier()
 rf_model.fit(hog_features, labels)
diff --git a/8/2/main.py b/8/2/main.py
index 6d4a27f..823877f 100644
--- a/8/2/main.py
+++ b/8/2/main.py
@@ -1,30 +1,31 @@
 # -*- coding: UTF-8 -*-
-from globalObject import *
+import os
+import time
 import tkinter
-from tkinter.simpledialog import askinteger, askfloat, askstring
 from tkinter.filedialog import (
+    askdirectory,
     askopenfilename,
     askopenfilenames,
     asksaveasfilename,
-    askdirectory,
 )
-from tkinter.messagebox import showinfo, showwarning, showerror, askyesno
-from PIL import Image, ImageTk
-import os
-import time
-from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
-import PointProcessing
-import Histogram
-import SpatialFilter
+from tkinter.messagebox import askyesno, showerror, showinfo, showwarning
+from tkinter.simpledialog import askfloat, askinteger, askstring
+
+import carLicense.predict as predict
+import description
 import Fourier
 import geometric
-import spatialRestore
-import Restore
-import morphology
-import segmentation
-import description
-import carLicense.predict as predict
+import Histogram
 import matplotlib.pyplot as plt
+import morphology
+import PointProcessing
+import Restore
+import segmentation
+import SpatialFilter
+import spatialRestore
+from globalObject import *
+from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
+from PIL import Image, ImageTk
 
 plt.rcParams["font.sans-serif"] = ["SimHei"]  # 用来正常显示中文标签
 plt.rcParams["axes.unicode_minus"] = False  # 用来正常显示负