array(4) {
  ["id"] => string(2) "14"
  ["name"] => string(12) "解决方案"
  ["url"] => string(10) "/solutions"
  ["pid"] => string(1) "0"
}

array(4) {
  ["id"] => string(2) "52"
  ["name"] => string(12) "工业检测"
  ["url"] => string(15) "/solutions?tp=2"
  ["pid"] => string(2) "14"
}

array(4) {
  ["id"] => string(2) "54"
  ["name"] => string(12) "机械电气"
  ["url"] => string(56) "/solutions/industrial-thermography/mechanical-electrical"
  ["pid"] => string(0) ""
}