使用babel-polyfill报错

[yeyongyong]

报错提示：

react-lifecycles-compat.es.js?47c9:54 Uncaught Error: Can only polyfill class components
    at polyfill (react-lifecycles-compat.es.js?47c9:54)
    at eval (Dropdown.js?51e1:194)
    at Object.<anonymous> (app.f0b4b59c.js:2116)
    at __webpack_require__ (runtime.f0b4b59c.js:713)
    at fn (runtime.f0b4b59c.js:118)
    at eval (390:2)
    at Object.<anonymous> (app.f0b4b59c.js:2109)
    at __webpack_require__ (runtime.f0b4b59c.js:713)
    at fn (runtime.f0b4b59c.js:118)
    at eval (dropdown.js?d65c:31)

[luckyadam]

能不能看看你的webpack配置