array(4) {
  ["id"] => string(2) "13"
  ["name"] => string(12) "产品中心"
  ["url"] => string(48) "/products/thermographys-tools/ptseries?catids=77"
  ["pid"] => string(1) "0"
}

array(4) {
  ["id"] => string(2) "77"
  ["name"] => string(12) "手持测温"
  ["url"] => string(48) "/products/thermographys-tools/ptseries?catids=77"
  ["pid"] => string(2) "13"
}

array(4) {
  ["id"] => string(3) "170"
  ["name"] => string(8) "C 系列"
  ["url"] => string(31) "/products/thermographys-tools/c"
  ["pid"] => string(0) ""
}