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) "340"
  ["name"] => string(12) "双目热像"
  ["url"] => string(18) "/outdoors/smrx/tns"
  ["pid"] => string(3) "338"
}

array(4) {
  ["id"] => string(3) "351"
  ["name"] => string(14) "TN二代系列"
  ["url"] => string(18) "/outdoors/smrx/tns"
  ["pid"] => string(0) ""
}