Manual:$wgBlockAllowsUTEdit/zh

细节
Set  to   to allow blocked users to edit their talk pages (so that they can request unblocking, for example). This will add a "" checkbox on Special:Block, unchecked by default (see Manual:Block and unblock). 如果被设置为False，勾选框将消失.

参见
基本用户权限与封禁设定：