代码拉取完成，页面将自动刷新
18531
[canvas]canvasrenderingcontext2d和offscreencanvasrenderingcontext2d构造中RenderingContextSettings非必填--3.1release
已合并
git checkout OpenHarmony-3.1-Release
git pull https://gitee.com/zhangbingce/docs.git dev-3.1release
git push origin OpenHarmony-3.1-Release
