From f59cd212dd1278c0c65d1a7b63953b66ea6e2c21 Mon Sep 17 00:00:00 2001
From: CaiHQ <caihq@pku.edu.cn>
Date: Tue, 2 Nov 2021 00:27:09 +0800
Subject: [PATCH] update .gitignore

---
 .gitignore | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.gitignore b/.gitignore
index a1c2a23..eab4b06 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+/build/
 # Compiled class file
 *.class