BootstrapTable 渲染错误 Cannot read

BootstrapTable 渲染报错，如下

Uncaught TypeError: Cannot read property 'colspan' of undefined
    at l (bootstrap-table.min.js?v=20191219:6)
    at e.initTable (bootstrap-table.min.js?v=20191219:6)
    at e.init (bootstrap-table.min.js?v=20191219:6)
    at e.BootstrapTable.init (bootstrap-table-mobile.js:73)
    at new e (bootstrap-table.min.js?v=20191219:6)
    at HTMLTableElement.<anonymous> (bootstrap-table.min.js?v=20191219:7)
    at Function.each (jquery.min.js:136)
    at n.fn.init.each (jquery.min.js:44)
    at n.fn.init.j.fn.bootstrapTable (bootstrap-table.min.js?v=20191219:7)
    at Object.init (...)

问题原因及解决

columns参数多谢一个逗号