FusionCharts 2D bar chart and line chart combination chart debugging error

When designing the combination chart of FusionCharts 2D bar chart and line chart, I found that no matter how I restarted the server, the combination chart would not appear. Later, through debugging, I found that I had made a fatal mistake. Using my usual thinking, I thought that if 3D pictures had this type, then 2D would also have this type. For example, 3D combination diagram: MSColumnLine3D.swf, I take it for granted that 2D also has this type, 2D combination diagram: MSColumnLine2D.swf. As a result, I view FusionCharts API found that 3D has MSColumnLine3D.swf, but 2D has the same type: MSCombi2D.swf

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