自定义tabBar切换tab是会报错，但是能正常切换（解决）？

VM14842:1 thirdScriptError

Cannot read property ‘getComputedName’ of undefined;at api nextTick callback function

TypeError: Cannot read property ‘getComputedName’ of undefined

    at _e.trigger (http://127.0.0.1:19600/appservice/component/dist/tabs/index.js:147:29)

    at Function.

(http://127.0.0.1:19600/appservice/component/dist/tabs/index.js:200:24)

    at http://127.0.0.1:19600/appservice/__dev__/WAService.js:1:108201

    at Function.Op (http://127.0.0.1:19600/appservice/__dev__/WAService.js:1:970535))

    at http://127.0.0.1:19600/appservice/__dev__/WAService.js:1:108201

    at http://127.0.0.1:19600/appservice/__dev__/WAService.js:1:96229