array(4) {
  ["id"] => string(2) "15"
  ["name"] => string(12) "服务支持"
  ["url"] => string(35) "/service/services/technical-support"
  ["pid"] => string(1) "0"
}

array(4) {
  ["id"] => string(2) "19"
  ["name"] => string(12) "资料下载"
  ["url"] => string(62) "/service/download/thermography-tools/sxldy?catids=43&atp=1"
  ["pid"] => string(2) "15"
}

array(4) {
  ["id"] => string(2) "47"
  ["name"] => string(6) "户外"
  ["url"] => string(51) "/service/download/night-vision/texl?catids=47&atp=1"
  ["pid"] => string(2) "19"
}

array(4) {
  ["id"] => string(3) "330"
  ["name"] => string(14) "TD三代系列"
  ["url"] => string(35) "/service/download/night-vision/td3d"
  ["pid"] => string(0) ""
}