移动安装目录，支持根目录index.php访问，也可以像tp5一样只对外开放public一个目录

application/admin/controller/widget/Images.php

@@ -57,7 +57,7 @@ class Images extends AuthController
         //产品图片上传记录
         $fileInfo = $res->fileInfo->getinfo();
         //入口是public需要替换图片路径
-        if(strpos(PUBILC_PATH,'public') < 0){
+        if(strpos(PUBILC_PATH,'public') == false){
             $res->dir = str_replace('public/','',$res->dir);
         }
         SystemAttachmentModel::attachmentAdd($res->fileInfo->getSaveName(),$fileInfo['size'],$fileInfo['type'],$res->dir,'',$pid);