diff --git a/index.html b/index.html
index c930552..f7dd194 100644
--- a/index.html
+++ b/index.html
@@ -30,8 +30,11 @@
 					<div class="mod-head">
 						<div class="hd"><span class="tag">开源算法</span></div>
 						<div class="bd">
-							<a class="btn btn-blue" href="/relationship/vue/" target="_blank">手机版</a>
-							<a class="btn" href="https://github.com/mumuy/relationship/" rel="nofollow" target="_blank">Github</a>
+							<a class="btn" href="/relationship/vue/" target="_blank">手机版</a>
+							<a class="btn" href="https://github.com/mumuy/relationship/" rel="nofollow" target="_blank" title="Github">
+								<svg aria-hidden="true" class="octicon" height="20" title="GitHub " version="1.1" viewBox="0 0 16 16" width="24"><path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59 0.4 0.07 0.55-0.17 0.55-0.38 0-0.19-0.01-0.82-0.01-1.49-2.01 0.37-2.53-0.49-2.69-0.94-0.09-0.23-0.48-0.94-0.82-1.13-0.28-0.15-0.68-0.52-0.01-0.53 0.63-0.01 1.08 0.58 1.23 0.82 0.72 1.21 1.87 0.87 2.33 0.66 0.07-0.52 0.28-0.87 0.51-1.07-1.78-0.2-3.64-0.89-3.64-3.95 0-0.87 0.31-1.59 0.82-2.15-0.08-0.2-0.36-1.02 0.08-2.12 0 0 0.67-0.21 2.2 0.82 0.64-0.18 1.32-0.27 2-0.27 0.68 0 1.36 0.09 2 0.27 1.53-1.04 2.2-0.82 2.2-0.82 0.44 1.1 0.16 1.92 0.08 2.12 0.51 0.56 0.82 1.27 0.82 2.15 0 3.07-1.87 3.75-3.65 3.95 0.29 0.25 0.54 0.73 0.54 1.48 0 1.07-0.01 1.93-0.01 2.2 0 0.21 0.15 0.46 0.55 0.38C13.71 14.53 16 11.53 16 8 16 3.58 12.42 0 8 0z"></path></svg>
+								<span>Github</span>
+							</a>
 							<a class="btn" href="/">返回首页</a>
 						</div>
 					</div>