cocos create2.3.3导出iOS工程运行报错

导出运行就报这个错误,请问是啥原因?
2020-04-24 19:51:29.300536+0800 [11801:1368180] [DYMTLInitPlatform] platform initialization successful
2020-04-24 19:51:29.742544+0800 [11801:1367948] (null)
Initializing V8, version: 7.5.288.22
libuv version: 1.23.1-dev
Debugger listening…, visit [ chrome-devtools://devtools/bundled/js_app.html?v8only=true&ws=0.0.0.0:6086/00010002-0003-4004-8005-000600070008 ] in chrome browser to debug!
For help see https://nodejs.org/en/docs/inspector
JS: Enable batch GL commands optimization!
ERROR: Uncaught SyntaxError: Invalid or unexpected token, location: main.js:0:0
ScriptEngine::evalString script main.js, failed!