安装时报错

wjh213

问题描述：

安装报错

报错内容：

Creating a "flarum/flarum" project at "./"
Installing flarum/flarum (v1.2.0)
    Failed to download flarum/flarum from dist: /www/wwwroot/forum.iriver.xyz/vendor/composer does not exist and could not be created.
    Now trying to download from source
  - Syncing flarum/flarum (v1.2.0) into cache
  - Installing flarum/flarum (v1.2.0): Cloning 4ce0568122 from cache
    Install of flarum/flarum failed

In Filesystem.php line 330:
                                                     
  Could not delete /www/wwwroot/forum.iriver.xyz/.: