From f15fa045fdbafa29abe8edd4eb7a8b58d8d9e74b Mon Sep 17 00:00:00 2001
From: Zhang <sunflower-zyb@users.noreply.github.com>
Date: Wed, 9 Mar 2016 13:50:35 +0800
Subject: [PATCH] Update tools.md

---
 tools/tools.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/tools.md b/tools/tools.md
index 41acf56..b0271ca 100644
--- a/tools/tools.md
+++ b/tools/tools.md
@@ -10,3 +10,7 @@
 
 ![P](https://github.com/buunguyen/octotree/raw/master/docs/chrome-github.png)
 
+[f.lux](https://justgetflux.com/)
+
+根据地区和时间调节屏幕亮度，缓解眼睛压力
+