Butterfly报错TypeError: coverVal.indexOf is not a function解决办法
魔改了一下Butterfly的源代码之后 hexo g 出现如下报错： TypeError: coverVal.indexOf is not a function at Hexo.<anonymous> (E:\Blog\themes\butterfly\scripts\filters\random_cover.js:15:30) at Hexo.tryCatcher (E:\Blog\node_modules\bluebird\js\release\util.js:16:23) at Hexo.<anonymous> (E:\Blog\node_modules\bluebird\js\release\method.js:15:34) at E:\Blog\node_modules\hexo\dist\extend\filter.js:58:67 at tryCatcher (E:\Blog\node_modules\bluebird\js\release\util.js:16:23) at...