Layer display level bug fix

qinbo

2022-02-18 a57c6e7fbcb80806a42d774d69e9fe821c1afbfc

1
"undefined"==typeof self&&(self={}),self.onmessage=function(s){var e=s.data.array,s=self.webkitPostMessage||self.postMessage;try{s({array:e},[e.buffer])}catch(e){s({})}};