centos下wordpress安装主题后创建文章的特×××片无法显示提示Could not create the index.html file - to fix this create an empty file named index.html file in the cache directory.Check inside your timthumb configuration file that the FILE_CACHE_DIRECTORY is pointing to a valid cache directory解决方法：1、在themes/主题/cache目录下创建 index.html空文件 设置文件权限可读写2、设置cache目录权限可读写。