优化软件更新

src/admin/api.php

@@ -298,6 +298,7 @@ if ($action === 'is_need_check_code') {
                 $f->filename = preg_replace('/^\/admin/', $curDir, $f->filename);
                 $srcFile = $backupVerPath.$f->filename;
                 $dstFile = str_replace(array("\\", "//"), '/', DEDEROOT.$f->filename);
+                @mkdir(dirname($dstFile), 0777, true);
                 $rs = @copy($srcFile, $dstFile);
                 if ($rs) {
                     unlink($srcFile);

src/install/sql-dfdata.txt

@@ -4028,7 +4028,7 @@ INSERT INTO `#@__sysconfig` VALUES ('1','cfg_basehost','站点网址','1','strin
 ('94','cfg_smtp_user','SMTP服务器帐号','2','string','tianya'),
 ('95','cfg_smtp_password','SMTP服务器密码','2','string','tianya'),
 ('96','cfg_online_type','在线支付网关类型','2','string','nps'),
-('97','cfg_upload_switch','删除文档文件同时删除相关附件文件','2','bool','Y'),
+('97','cfg_upload_switch','删除文档同时删除相关附件文件','2','bool','Y'),
 ('98','cfg_fck_xhtml','是否使用富文本','2','bool','N'),
 ('99','cfg_allsearch_limit','网站全局搜索时间限制（秒）','2','string','1'),
 ('100','cfg_delete','是否开启文档回收站','2','bool','Y'),