微信小游戏发布报错

Creator 3.x
#1

使用Cocos create3.8发布微信小程序，然后用微信开发者工具打开之后提示错误：TypeError: Cannot read property ‘toLocaleLowerCase’ of undefined
at game.js? [sm]:82
at VM1530 WAGameSubContext.js:1
at Object.runWith (VM1530 WAGameSubContext.js:1)
at E (VM1530 WAGameSubContext.js:1)
at game.js:1
at doWhenAllScriptLoaded (getmainpackage.js:58)
at HTMLScriptElement.scriptLoaded (getmainpackage.js:93)
at HTMLScriptElement.script.onload (getmainpackage.js:135)(env: Windows,mg,1.06.2412050; lib: 3.7.11)

#2

变量.toLocaleLowerCase
这个变量的值是 undefined

#3

请问后面如何解决

#4

请问楼主解决了吗？

#5

开发者工具换个基础库版本