Cannot read property 'data' of undefined;at api request success callback function

TypeError: Cannot read property 'data' of undefined

at success (https://usr//subPages/app-service.js:4867:1722)

at Object.o.<computed> (https://lib/WASubContext.js:2:1306359)

at https://lib/WASubContext.js:2:467972

at Module.s (https://lib/WASubContext.js:2:1466456)

at Function.<anonymous> (https://lib/WASubContext.js:2:467947)

at E (https://lib/WASubContext.js:2:419353)

at i.<anonymous> (https://lib/WASubContext.js:2:797124)

at i.emit (https://lib/WASubContext.js:2:477452)

at rs (https://lib/WASubContext.js:2:797986)

at https://lib/WASubContext.js:2:799264

appid：wxee55405953922c86

因为.data实在是太多了，我是肉眼真看不出来，也玩不出来报错