opt.complete is not a function TypeError: opt.complete is not a function at A. (vm.js:10:37) at l (vm.js:2:127297) at vm.js:2:128122 at vm.js:2:119923 at vm.js:1:39956 at Object.base.apply (/data/qspace/data/mmbizwxacrawlerworker/application/node_modules/vm2/lib/contextify.js:228:34) at Timeout._onTimeout (/data/qspace/data/mmbizwxacrawlerworker/application/node_modules/@tencent/wxa-noderuntime/build/worker.js:1:13190) at listOnTimeout (internal/timers.js:549:17) at processTimers (internal/timers.js:492:7) version=release currentAppVersion=3.0.1 systemInfo={"model":"iPhone6","windowWidth":375,"windowHeight":667,"language":"zh_CN","screenWidth":375,"screenHeight":667,"pixelRatio":2,"version":"7.0.3","statusBarHeight":20,"system":"iOS 10.0.1","brand":"iPhone","fontSizeSetting":16,"safeArea":{"right":375,"bottom":667,"left":0,"top":20,"width":375,"height":647},"platform":"ios","SDKVersion":"2.14.3","host":"100.112.152.162:21525"} currentPage=undefined

open-data 中的 default-avatar 什么情况下才会有效果呢？