报错

[landaozhu]

Uncaught TypeError: Cannot read property 'length' of undefined
at Class.render (table.js:234)
at new Class (table.js:145)
at Object.table.render (table.js:1852)
at bindEvent (:331:7)
at Layui. (:345:5)
at Layui. (cover.js:836)
at onCallback (layui.js:175)
at Layui.use (layui.js:184)
at onCallback (layui.js:175)
at Layui.use (layui.js:184)