Cesium[_0x2f0d(...)] is not a function

[TongBig]

vue.esm.js:3806 TypeError: Cesium[_0x2f0d(...)] is not a function
at _0x276e42 (XbsjEarth.js:1:2236673)
at new _0x325a71 (XbsjEarth.js:1:2003255)

 为啥报这个错？