hexo 报错信息：

FATAL Something's wrong. Maybe you can find the solution here: https://hexo.io/docs/troubleshooting.html
TypeError [ERR_INVALID_ARG_TYPE]: The "mode" argument must be integer. Received an instance of Object
    at copyFile (fs.js:1890:10)
    at tryCatcher (D:\hexo\node_modules\bluebird\js\release\util.js:16:23)
    at ret (eval at makeNodePromisifiedEval (C:\Users\king\AppData\Roaming\npm\node_modules\hexo\node_modules\bluebird\js\release\promisify.js:184:12), <anonymous>:13:39)
    at D:\hexo\node_modules\hexo-fs\lib\fs.js:144:39
    at tryCatcher (D:\hexo\node_modules\bluebird\js\release\util.js:16:23)
    at Promise._settlePromiseFromHandler (D:\hexo\node_modules\bluebird\js\release\promise.js:547:31)
    at Promise._settlePromise (D:\hexo\node_modules\bluebird\js\release\promise.js:604:18)
    at Promise._settlePromise0 (D:\hexo\node_modules\bluebird\js\release\promise.js:649:10)
    at Promise._settlePromises (D:\hexo\node_modules\bluebird\js\release\promise.js:729:18)
    at Promise._fulfill (D:\hexo\node_modules\bluebird\js\release\promise.js:673:18)
    at Promise._resolveCallback (D:\hexo\node_modules\bluebird\js\release\promise.js:466:57)
    at Promise._settlePromiseFromHandler (D:\hexo\node_modules\bluebird\js\release\promise.js:559:17)
    at Promise._settlePromise (D:\hexo\node_modules\bluebird\js\release\promise.js:604:18)
    at Promise._settlePromise0 (D:\hexo\node_modules\bluebird\js\release\promise.js:649:10)
    at Promise._settlePromises (D:\hexo\node_modules\bluebird\js\release\promise.js:729:18)
    at Promise._fulfill (D:\hexo\node_modules\bluebird\js\release\promise.js:673:18)
    at Promise._resolveCallback (D:\hexo\node_modules\bluebird\js\release\promise.js:466:57)
    at Promise._settlePromiseFromHandler (D:\hexo\node_modules\bluebird\js\release\promise.js:559:17)
    at Promise._settlePromise (D:\hexo\node_modules\bluebird\js\release\promise.js:604:18)
    at Promise._settlePromise0 (D:\hexo\node_modules\bluebird\js\release\promise.js:649:10)
    at Promise._settlePromises (D:\hexo\node_modules\bluebird\js\release\promise.js:729:18)
    at Promise._fulfill (D:\hexo\node_modules\bluebird\js\release\promise.js:673:18)

咋解决啊 /ll