Uncaught TypeError: Cannot set property updatePosition

[Pines-Cheng]

I meet a strange question and I can't find out the reason. This problem appear after I updated a npm package. Can someone give me some promote?

makeAssimilatePrototype.js:21 Uncaught TypeError: Cannot set property updatePosition of #<t> which has only a getter
    at patchProperty (webpack:///./~/react-hot-api/modules/makeAssimilatePrototype.js?:21:16)
    at eval (webpack:///./~/react-hot-api/modules/makeAssimilatePrototype.js?:52:9)
    at Array.forEach (native)
    at eval (webpack:///./~/react-hot-api/modules/makeAssimilatePrototype.js?:51:51)
    at Array.forEach (native)
    at reconcileWithStoredPrototypes (webpack:///./~/react-hot-api/modules/makeAssimilatePrototype.js?:50:21)
    at assimilatePrototype (webpack:///./~/react-hot-api/modules/makeAssimilatePrototype.js?:63:5)
    at patchReactClass (webpack:///./~/react-hot-api/modules/makePatchReactClass.js?:40:5)
    at Object.makeHot (webpack:///./~/react-hot-api/modules/makeMakeHot.js?:33:12)
    at makeExportsHot (webpack:///./~/react-hot-loader/makeExportsHot.js?:44:26)

My ENV

• node v7.7.3
• npm 4.1.2