wordpress建站主题的functions.php文件中添加如下代码

// 后台外观添加菜单
register_nav_menus( array(
'primary' => __( 'Primary Menu', 'twentyfifteen' ),
'social' => __( 'Social Links Menu', 'twentyfifteen' ),
) );


// 后台外观添加小工具
if (function_exists("register_sidebar")) {
  register_sidebar();
}