diff --git a/zh-cn/application-dev/reference/arkui-ts/figures/zh-cn_image_000000127777778.png b/zh-cn/application-dev/reference/arkui-ts/figures/zh-cn_image_000000127777778.png
index 19e99b9ef490fff79e64e33192c97c1a39c6edf9..d8b4daf029b147778486f659934b2ea67234924e 100644
Binary files a/zh-cn/application-dev/reference/arkui-ts/figures/zh-cn_image_000000127777778.png and b/zh-cn/application-dev/reference/arkui-ts/figures/zh-cn_image_000000127777778.png differ
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-canvasrenderingcontext2d.md b/zh-cn/application-dev/reference/arkui-ts/ts-canvasrenderingcontext2d.md
index 66adc3e73e3083a309db834bd5b0db9795e8df4b..07953a5d7f6e1bc9e7ee8dbefec000be6c398b45 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-canvasrenderingcontext2d.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-canvasrenderingcontext2d.md
@@ -769,7 +769,7 @@ clearRect(x: number, y: number, w: number, h: number): void
         Canvas(this.context)
           .width('100%')
           .height('100%')
-          .backgroundColor('#ffffff')
+          .backgroundColor('#ffff00')
           .onReady(() =>{
             this.context.fillStyle = 'rgb(0,0,255)'
             this.context.fillRect(20,20,200,200)