解决方案如下,其它框架雷同。 源代码(/system/libraries/upload.php 199 line) $this->file_type = preg_replace(“/^(.+?);.*$/”, “\\1”, $_FILES[$field][‘type’]); 修改成如下: 复制代码 代码如下: //Edit By Tacker if(function_exists(‘mime_content_type’)){ $this->file_type = preg_replace(“/^(.+?);.*$/”, “\\1”, mime_content_type($this->file