1.更改post_max_size大小限制
2.更改upload_max_filesize大小限制
3.更改TP框架中验证图片大小的设置
$info = $file->validate([
\'require\'=>\'require\',
\'size\' => 5000000000,
\'ext\' => \'jpeg,jpg,png,gif\'
])->move(\'uploads/\');