安装后 UCenter 的验证码 显示不正常，解决办法如下：
找到Discuz_X1.5_SC_GBK/upload/uc_server/control/admin/seccode.php
[root@bak admin]# more seccode.php <?php/*[UCenter] (C)2001-2008 Comsenz Inc.This is NOT a freeware, use is subject to license terms$Id: tag.php 12126 2008-01-11 09:40:32Z heyond $*/!defined('IN_UC') && exit('Access Denied');class control extends base {function control() {$seccode = rand(100000, 999999);$this->setcookie('uc_secc', $this->authcode($seccode."/t".time(), 'ENCODE'));@header("Expires: -1");@header("Cache-Control: no-store, private, post-check=0, pre-check=0, max-age=0", FALSE);@header("Pragma: no-cache");include_once UC_ROOT.'lib/seccode.class.php';$code = new seccode();$code->code = $seccode;$code->type = 0;$code->width = 70;$code->height = 21;$code->background = 0;$code->adulterate = 1;$code->ttf = 1; ======>> 这个地方改成 0，就OK了$code->angle = 0;$code->color = 1;$code->size = 0;$code->shadow = 1;$code->animator = 0;$code->fontpath = UC_ROOT.'images/fonts/';$code->datapath = UC_ROOT.'images/';$code->includepath = '';$code->display();}}
