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) "61"
  ["name"] => string(9) "大健康"
  ["url"] => string(15) "/solutions?tp=6"
  ["pid"] => string(2) "14"
}

array(4) {
  ["id"] => string(2) "75"
  ["name"] => string(12) "智慧养殖"
  ["url"] => string(32) "/solutions/health/smart-breeding"
  ["pid"] => string(0) ""
}