From f5fdaea51455f31a51973eb17f90450a69688fbc Mon Sep 17 00:00:00 2001
From: XenoAmess <xenoamess@gmail.com>
Date: Tue, 26 May 2020 12:07:15 +0800
Subject: [PATCH] refine travis-ci scripts.

---
 .travis.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index ffa74dbe8..168d56c75 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,9 @@
 
 language: java
 sudo: required
-
+cache:
+  directories:
+    - $HOME/.m2
 jdk:
   - openjdk8