文件路径：bbs/api/uc.php

1查找 updatebadwords 函数：

if(!API_UPDATEBADWORDS) {
            return API_RETURN_FORBIDDEN;
        }

        $data = array();
        if(is_array($post)) {
            foreach($post as $k => $v) {  
// 240 行左右      
//fix uc key
      if(substr($v[‘findpattern’], 0, 1) != ‘/’ || substr($v[‘findpattern’], -3) != ‘/is’) {
         $v[‘findpattern’] = ‘/’ . preg_quote($v[‘findpattern’], ‘/’) . ‘/is’;
      }
//end            
                $data[‘findpattern’][$k] = $v[‘findpattern’];
                $data[‘replace’][$k] = $v[‘replacement’];
            }
        }

2. 查找 updateapps 函数：
function updateapps($get, $post) {
        global $_G;

        if(!API_UPDATEAPPS) {
            return API_RETURN_FORBIDDEN;
        }
//280行左右，这里我看已删除了下行那行                
//$UC_API = $post[‘UC_API’];

        $UC_API = ”;
        if($post[‘UC_API’]) {
            $UC_API = str_replace(array(‘\”, ‘”‘, ‘\\’, “\0”, “\n”, “\r”), ”, $post[‘UC_API’]);
            unset($post[‘UC_API’]);
        }
//end
        $cachefile = DISCUZ_ROOT.’./uc_client/data/cache/apps.php’;

参考
https://bbs.aliyun.com/read/292308.html