这样写循环有什么问题吗 [图片] [图片]

Cannot read property 'init' of undefined;at App lifeCycleMethod onLaunch function TypeError: Cannot read property 'init' of undefined     at e.onLaunch (http://127.0.0.1:40755/appservice/app.js:8:14)     at e.o (http://127.0.0.1:40755/appservice/__dev__/WAService.js:18:31681)     at new e (http://127.0.0.1:40755/appservice/__dev__/WAService.js:19:1048)     at Function.<anonymous> (http://127.0.0.1:40755/appservice/__dev__/WAService.js:19:1537)     at http://127.0.0.1:40755/appservice/__dev__/WAService.js:18:12486     at http://127.0.0.1:40755/appservice/app.js:5:1     at require (http://127.0.0.1:40755/appservice/__dev__/WAService.js:19:7304)     at <anonymous>:1:1     at doWhenAllScriptLoaded (http://127.0.0.1:40755/appservice/appservice?t=1588310919195:1407:21)     at HTMLScriptElement.scriptLoaded (http://127.0.0.1:40755/appservice/appservice?t=1588310919195:1419:5) Uncaught TypeError: Cannot read property 'database' of undefined     at fav.js? [sm]:2     at require (VM333 WAService.js:19)     at <anonymous>:62:7     at doWhenAllScriptLoaded (appservice?t=1588310919195:1407)     at HTMLScriptElement.scriptLoaded (appservice?t=1588310919195:1419)     at HTMLScriptElement.script.onload (appservice?t=1588310919195:1427) 这怎么解决啊