爱奥尼亚科尔多瓦建设,不编译!如何修复?

但是编译失败,给了我一个错误: Cannot find module 'C:\...\myapp\platforms\android\cordova\Api.js

λ ionic cordova build

? What platform would you like to build (android, ios): android

ionic-v1构建

[15:17:57] Cannot run sass task: missing in gulpfile.js

cordova构建android

Unable to load PlatformApi from platform. Error: Cannot find module 'C:\Users\myuser\myapp\platforms\android\cordova\Api.js'
(node:8824) UnhandledPromiseRejectionWarning: Error: Unhandled "error" event. (The platform "android" does not appear to be a valid cordova platform. It is missing API.js. android not supported.)
    at EventEmitter.emit (events.js:186:19)