错误日志告警null is not an object (evaluating \'t.indexOf\')

u@https://lib/WAServiceMainContext.js:1:557713

as@https://lib/WAServiceMainContext.js:1:1150215

set@https://lib/WAServiceMainContext.js:1:1150638

src@https://lib/WAServiceMainContext.js:1:1284850

@https://usr//app-service.js:5672:11302

$@https://lib/WASubContext.js:1:49489

code@https://usr//app-service.js:5672:11253

@https://lib/WASubContext.js:1:48255

n@https://lib/WASubContext.js:1:24590

@https://lib/WASubContext.js:1:35041

E@https://lib/WASubContext.js:1:34773

@https://lib/WASubContext.js:1:34811

d@https://lib/WASubContext.js:1:120835

@https://lib/WASubContext.js:1:89507

@https://lib/WASubContext.js:1:116556

d@https://lib/WAServiceMainContext.js:1:118845

@https://lib/WAServiceMainContext.js:1:107372

找不到定位，求大佬们帮忙