修复无法保存站点URL的BUG

修复无法保存站点URL的BUG
Merge pull request #141 from byends/patch-1

修复无法保存站点URL的BUG
fixed #142

尼玛，写反了。。。
减少默认模板对后台的依赖
Merge branch 'master' of https://github.com/typecho/typecho
Merge remote-tracking branch 'remotes/typecho/master'
更换成为更美观的标签 $label