要增加%{DOCUMENT_ROOT}
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteRule ^index.php$ – [L]
RewriteCond %{DOCUMENT_ROOT}%{REQUEST_FILENAME} !-f
RewriteCond %{DOCUMENT_ROOT}%{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
LogLevel trace5
</IfModule>