Update docs/lab/lab2.md

Zecyel · Copilot · web-flow · commit f18bc4f7069b · 2025-10-14T15:50:36.000+08:00
Co-authored-by: Copilot &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/docs/lab/lab2.md b/docs/lab/lab2.md
@@ -1,6 +1,6 @@
 # Lab2: BombLab
 
-> Deadline：2025-10-28 23:59:59
+> Deadline: 2025-10-28 23:59:59
 
 ## 1. 实验概述
 
