task4 Project setup yarn install Compiles and hot-reloads for development yarn serve Compiles and minifies for production yarn build Lints and fixes files yarn lint 使用说明 (以下参数需要填写) src/utils/im.js var host = '' // 设置当前用户的接入点域名 var username = '' // 用户名,在console中注册 var password ='' // 用户密码为第一步中申请的token var appId = '' // 从console控制台获取 Customize configuration See Configuration Reference.