uviewbug之Module build failed (from ./node_modules/@dcloudio/vue-cli-plugin-uni/packages/sass-loade

报错提示： 

15:23:55.172 Module build failed (from ./node_modules/@dcloudio/vue-cli-plugin-uni/packages/sass-loader/dist/cjs.js):
15:23:55.172 SassError: Undefined variable: "$u-border-color".

在uni.scss这个文件里面加入以下代码即可

/* 颜色变量 */
@import '@/uni_modules/uview-ui/theme.scss';
/* 行为相关颜色 */