set the blog sence 2017.

Zhili Yang · Zhili Yang · commit 5d09cd4c1178 · 2017-10-06T09:21:04.000+08:00
diff --git a/themes/next/_config.yml b/themes/next/_config.yml
@@ -33,7 +33,7 @@ rss:
 footer:
   # Specify the date when the site was setup.
   # If not defined, current year will be used.
-  #since: 2015
+  since: 2017
 
   # Icon between year and copyright info.
   icon: user
@@ -725,9 +725,6 @@ vendors:
   # https://github.com/ethantw/Han
   han:
 
-# 站点建立时间
-since: 2017
-
 # 分享
 #jiathis: true
 #baidushare: true
