From 2e6ca31aa5948e1b406a5851c18bc144f4ea72e0 Mon Sep 17 00:00:00 2001
From: ykfq <fyykfq@gmail.com>
Date: Fri, 19 Feb 2021 09:19:57 +0800
Subject: [PATCH] Update preface.md

Add online mirror
---
 preface.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/preface.md b/preface.md
index 2e01c49..70cdb02 100644
--- a/preface.md
+++ b/preface.md
@@ -26,6 +26,7 @@ Go语言圣经 [《The Go Programming Language》](http://gopl.io) 中文版本
 - https://docs.hacknode.org/gopl-zh/
 - https://books.studygolang.com/gopl-zh/
 - https://wizardforcel.gitbooks.io/gopl-zh/
+- https://book.itsfun.top/gopl-zh/ #每夜自动构建
 
 {% include "./version.md" %}