add category

content/posts/ex1.md

@@ -1,8 +1,9 @@
 +++
 title = "Ex1"
-author = "Logic"
 date = 2022-03-17
+categories = ["网络安全实验"]
 draft = false
+author = "Logic"
 +++
 
 ## 任务一 {#任务一}

content/posts/ex2.md

@@ -1,6 +1,7 @@
 +++
 title = "Ex2"
 date = 2022-03-23
+categories = ["网络安全实验"]
 draft = false
 author = "Logic"
 +++