jquery-3.1.1.min.js:2 Uncaught TypeError: Cannot read property 'findAxisModel' of undefined
at polar (echarts.common.min.js:22)
at nh (echarts.common.min.js:22)
at Af (echarts.common.min.js:22)
at e.getInitialData (echarts.common.min.js:22)
at e.init (echarts.common.min.js:22)
at e.<anonymous> (echarts.common.min.js:22)
at Array.forEach (<anonymous>)
at T (echarts.common.min.js:22)
at e.<anonymous> (echarts.common.min.js:22)
at Function.$l.topologicalTravel (echarts.common.min.js:22)