diff --git a/ppt.txt b/ppt.txt
new file mode 100644
index 0000000..edb0567
--- /dev/null
+++ b/ppt.txt
@@ -0,0 +1,2 @@
+https://pan.seu.edu.cn:443/link/5FF46797A5A7C7F121BAF672833446CA
+有效期限：2029-06-16
\ No newline at end of file