本来好好的CCC,改着改着，突然出这个错，是什么鬼

wsdsoft
Sun, 21 May 2017 14:12:52 +0000

TypeError: Cannot read property ‘aceEditor’ of null
at _confirmClose (file:///D:/M17/CocosCreator/resources/app.asar/builtin/code-editor/panel/page.js:19:28)
at window.addEventListener.event (file:///D:/M17/CocosCreator/resources/app.asar/builtin/code-editor/panel/page.js:172:15)

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