wordpress大致目录如下:
/   
|- index.php
|- wp-admin
|   |- wp-admin.css
|- wp-blog-header.php
|- wp-comments-post.php
|- wp-commentsrss2.php
|- wp-config.php
|- wp-content
|   |- cache
|   |- plugins
|   |- themes
|   |- uploads
|- wp-cron.php
|- wp-includes
|- xmlrpc.php
开启上传目录的可写入权限: [root@doseoer.com]# chmod -R o+w wp-content/uploads/