diff --git a/pages/component/canvas/canvas/doodle.uvue b/pages/component/canvas/canvas/doodle.uvue
index 90897fef04144a2c6ef060e09bba38791a018251..44ba75f7cce3edea24420a635254e351414a475f 100644
--- a/pages/component/canvas/canvas/doodle.uvue
+++ b/pages/component/canvas/canvas/doodle.uvue
@@ -41,7 +41,7 @@
         const ctx = this.renderingContext!
         ctx.lineWidth = 5
         ctx.lineCap = "round"
-        ctx.lineJoin = "square"
+        ctx.lineJoin = "round"
         ctx.beginPath()
         ctx.moveTo(this.lastPointX, this.lastPointY)
         ctx.lineTo(x, y)