绘制图表时数据量过多，有些点Tooltips会显示不出来

[LoseRecall]

数据大概五六百条，绘制完成后，手指滑动发现tooltip有些点不会显示出来，并且在moveOverEventMessage代理方法中，index也是直接跳过，比如221下一个直接223。请问有办法解决吗？

[LoseRecall]

在Demo中setCrosshairAndTooltipToTheDefaultPositionAfterLoadingChart我构造600条数据，打印结果如下，会缺少index.

👌👌👌👌 user finger moved over!!!,get the move over event series element message:
{
"y" : 0.053594312643072177,
"index" : 20,
"offset" : {
"plotX" : 16.249599004876998,
"plotY" : 635.77462832264996
},
"name" : "Tokyo Hot",
"x" : 20,
"category" : 20
}
👌👌👌👌 user finger moved over!!!,get the move over event series element message:
{
"y" : 0.45894135638581157,
"index" : 21,
"offset" : {
"plotX" : 16.874824053160001,
"plotY" : 376.91967625328999
},
"name" : "Tokyo Hot",
"x" : 21,
"category" : 21
}
👌👌👌👌 user finger moved over!!!,get the move over event series element message:
{
"y" : 0.26917025406592765,
"index" : 23,
"offset" : {
"plotX" : 18.125274149727002,
"plotY" : 498.10765666037003
},
"name" : "Tokyo Hot",
"x" : 23,
"category" : 23
}