diff --git a/groupwork.txt b/groupwork.txt
new file mode 100644
index 0000000..7a12670
--- /dev/null
+++ b/groupwork.txt
@@ -0,0 +1,3 @@
+何宗义数字信封
+何雍廷文件的传输
+何文洋加解密+界面
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