diff --git a/content/posts/ex4.md b/content/posts/ex4.md
index 5f0ba6e..6d685f2 100644
--- a/content/posts/ex4.md
+++ b/content/posts/ex4.md
@@ -1,5 +1,6 @@
 +++
 title = "Ex4"
+date = 2022-04-06
 categories = ["网络安全实验"]
 draft = false
 author = "Logic"