图1是在小程序中的预览图，
图2是在真机模拟

缺少npm包@tarojs/webpack-runner，开始安装...
缺少npm包@tarojs/webpack-runner，开始安装...
缺少npm包@tarojs/webpack-runner，开始安装...
缺少npm包@tarojs/webpack-runner，开始安装...
缺少npm包@tarojs/webpack-runner，开始安装...
缺少npm包@tarojs/webpack-runner，开始安装...
缺少npm包@tarojs/webpack-runner，开始安装...
缺少npm包@tarojs/webpack-runner，开始安装...
缺少npm包@tarojs/webpack-runner，开始安装...
(node:3728) UnhandledPromiseRejectionWarning: TypeError [ERR_INVALID_ARG_TYPE]: The "id" argument must be of type string. Received type undefined
at validateString (internal/validators.js:125:11)
at Module.require (internal/modules/cjs/loader.js:687:3)
at require (internal/modules/cjs/helpers.js:25:18)
at Object.<anonymous> (C:\Users\Codger\AppData\Roaming\npm\node_modules@tarojs\cli\node_modules@tarojs\helper\dist\npm.js:166:23)
at Generator.next (<anonymous>)
at C:\Users\Codger\AppData\Roaming\npm\node_modules@tarojs\cli\node_modules@tarojs\helper\dist\npm.js:8:71

npm run dev:h5无法执行成功 2.2.5版本!!