array(4) {
  ["id"] => string(3) "338"
  ["name"] => string(6) "户外"
  ["url"] => string(23) "/Cn/Index/listView.html"
  ["pid"] => string(1) "0"
}

array(4) {
  ["id"] => string(3) "339"
  ["name"] => string(12) "单目热像"
  ["url"] => string(27) "/outdoors/dm/tes?catids=339"
  ["pid"] => string(3) "338"
}

array(4) {
  ["id"] => string(3) "348"
  ["name"] => string(15) "TD三代 系列"
  ["url"] => string(16) "/outdoors/dm/tds"
  ["pid"] => string(0) ""
}