object(Error)#7 (7) {
  ["message":protected] => string(28) "Class "LitePhp\Db" not found"
  ["string":"Error":private] => string(0) ""
  ["code":protected] => int(0)
  ["file":protected] => string(49) "/var/www/html/zhisg_www/app/model/AttachFiles.php"
  ["line":protected] => int(118)
  ["trace":"Error":private] => array(2) {
    [0] => array(5) {
      ["file"] => string(36) "/var/www/html/zhisg_www/app/Note.php"
      ["line"] => int(241)
      ["function"] => string(17) "getObjectsByOssid"
      ["class"] => string(21) "App\model\AttachFiles"
      ["type"] => string(2) "::"
    }
    [1] => array(5) {
      ["file"] => string(40) "/var/www/html/zhisg_www/note/article.php"
      ["line"] => int(36)
      ["function"] => string(14) "attachmentList"
      ["class"] => string(8) "App\Note"
      ["type"] => string(2) "->"
    }
  }
  ["previous":"Error":private] => NULL
}