thirdScriptError fetch is not a function;at "pages/coming/coming" page lifeCycleMethod onLoad function TypeError: fetch is not a function     at ge.fetchFilms (http://127.0.0.1:35429/appservice/comm/script/fetch.js:8:7)     at ge.onLoad (http://127.0.0.1:35429/appservice/pages/coming/coming.js:17:21)     at ge.<anonymous> (WAService.js:1:1401844)     at ge.p.__callPageLifeTime__ (WAService.js:1:1401589)     at kt (WAService.js:1:1416539)     at WAService.js:1:1419553     at xt (WAService.js:1:1419620)     at Function.<anonymous> (WAService.js:1:1423760)     at i.<anonymous> (WAService.js:1:1393108)     at i.emit (WAService.js:1:463100) 这是一个朋友的源码我导入到我的微信开发工具后一直报这个错。页面效果也一直没有。

[图片]希望大佬帮忙解答一下。