标绘，分屏，对比BUG修复

nnnjjj123

2020-11-17 56239828469da7d8cef92cc6bf9d99c858168bb5

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//>>built
define(["./Evented"],function(b){var a=new b;return{publish:function(b,c){return a.emit.apply(a,arguments)},subscribe:function(b,c){return a.on.apply(a,arguments)}}});