diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..15e8805
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,9 @@
+tqdm
+opencv-contrib-python
+numpy
+pandas
+matplotlib
+pillow
+scikit-learn==1.3
+jupyterlab
+jupyterlab-language-pack-zh-CN
\ No newline at end of file
diff --git a/test/homework4/main.py b/test/homework4/main.py
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+++ b/test/homework4/main.py
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+# 对图片分别使用Roberts、Sobel和Prewitt三种边缘检测方式，完成边缘检测并使用matplotlib展示结果
+
+import cv2 as cv
+