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

array(4) {
  ["id"] => string(2) "58"
  ["name"] => string(12) "安全監(jiān)控"
  ["url"] => string(15) "/solutions?tp=3"
  ["pid"] => string(2) "14"
}

array(4) {
  ["id"] => string(2) "65"
  ["name"] => string(12) "周界防護"
  ["url"] => string(45) "/solutions/security-monitoring/border-defense"
  ["pid"] => string(0) ""
}