{
  "id" : null,
  "name" : "DDI",
  "nameCode" : "10008600",
  "data" : [ {
    "title" : "DDI:",
    "items" : [ "分析DDI柱状线，由红变绿(正变负)，卖出信号；由绿变红，买入信号。" ],
    "image" : null
  } ]
}