企业微信小程序开发工具无法调用wx.qy.login？

VM13:1 thirdScriptError

Cannot read property ‘login’ of undefined;at App lifeCycleMethod onLaunch function

TypeError: Cannot read property ‘login’ of undefined

    at ge.onLaunch (http://127.0.0.1:15060/appservice/app.js:7:11)

    at ge.

(http://127.0.0.1:15060/appservice/dev/WAService.js:2:1750579)

    at new ge (http://127.0.0.1:15060/appservice/__dev__/WAService.js:2:1751335)

    at Function.

(http://127.0.0.1:15060/appservice/dev/WAService.js:2:1751647)

    at http://127.0.0.1:15060/appservice/__dev__/WAService.js:2:1738454

    at http://127.0.0.1:15060/appservice/app.js:5:1

    at wrapFn (http://127.0.0.1:15060/appservice/appservice?t=1598513386031:1181:12)

    at require (http://127.0.0.1:15060/appservice/__dev__/WAService.js:2:1788795)

    at

:3:7

    at doWhenAllScriptLoaded (http://127.0.0.1:15060/appservice/appservice?t=1598513386031:1266:21)