原因：内部服务器错误：未找到预处理器依赖项“sass”。 你安装了吗？
解决：
其一、安装 sass 依赖命令
命令 ：npm install --save-dev sass
- quot Preprocessor dependency Internal installquot preprocessor dependency internal google-chrome-stable dependency installing浏览器 opencv-python dependencies installing opencv composer quot dependencies php quot internal occurred桌面 quot applicationref instantiate dependency quot configuration intellisense dependency 链接server quot internal quot installed private plasma quot installation exception occurred