diff --git a/packages/basic/src/events/click.ts b/packages/basic/src/events/click.ts
index 413b4ba70..e792d7ab0 100644
--- a/packages/basic/src/events/click.ts
+++ b/packages/basic/src/events/click.ts
@@ -15,7 +15,7 @@ export const click = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
-      // console.log('www!')
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/drag.ts b/packages/basic/src/events/drag.ts
index 63ea26df9..a8f0d98f5 100644
--- a/packages/basic/src/events/drag.ts
+++ b/packages/basic/src/events/drag.ts
@@ -11,6 +11,7 @@ export const drag = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/dragEnd.ts b/packages/basic/src/events/dragEnd.ts
index 3c25999a2..3a23f2aaf 100644
--- a/packages/basic/src/events/dragEnd.ts
+++ b/packages/basic/src/events/dragEnd.ts
@@ -11,6 +11,7 @@ export const dragEnd = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/dragEnter.ts b/packages/basic/src/events/dragEnter.ts
index f710ea932..c326b7500 100644
--- a/packages/basic/src/events/dragEnter.ts
+++ b/packages/basic/src/events/dragEnter.ts
@@ -11,6 +11,7 @@ export const dragEnter = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/dragLeave.ts b/packages/basic/src/events/dragLeave.ts
index 59afe7040..4adbb3b8f 100644
--- a/packages/basic/src/events/dragLeave.ts
+++ b/packages/basic/src/events/dragLeave.ts
@@ -11,6 +11,7 @@ export const dragLeave = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/dragOver.ts b/packages/basic/src/events/dragOver.ts
index 8eef77f0b..b1c26fe8c 100644
--- a/packages/basic/src/events/dragOver.ts
+++ b/packages/basic/src/events/dragOver.ts
@@ -11,6 +11,7 @@ export const dragOver = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/dragStart.ts b/packages/basic/src/events/dragStart.ts
index 739286219..b8cc8d801 100644
--- a/packages/basic/src/events/dragStart.ts
+++ b/packages/basic/src/events/dragStart.ts
@@ -11,6 +11,7 @@ export const dragStart = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/drop.ts b/packages/basic/src/events/drop.ts
index 32241d020..1dd0d8081 100644
--- a/packages/basic/src/events/drop.ts
+++ b/packages/basic/src/events/drop.ts
@@ -11,6 +11,7 @@ export const drop = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/keyDown.ts b/packages/basic/src/events/keyDown.ts
index 20f37ccc3..2ec0d3c9b 100644
--- a/packages/basic/src/events/keyDown.ts
+++ b/packages/basic/src/events/keyDown.ts
@@ -4,6 +4,7 @@ export const keyDown = defineEvent({
   operation(widget, effect) {
     document.addEventListener('keydown', (event: KeyboardEvent) => {
       effect(widget, event.key)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/keyPressed.ts b/packages/basic/src/events/keyPressed.ts
index e35b152f4..c31bc3d66 100644
--- a/packages/basic/src/events/keyPressed.ts
+++ b/packages/basic/src/events/keyPressed.ts
@@ -4,6 +4,7 @@ export const keyPressed = defineEvent({
   operation(widget, effect) {
     document.addEventListener('keypress', (event: KeyboardEvent) => {
       effect(widget, event.key)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/keyUp.ts b/packages/basic/src/events/keyUp.ts
index 4d7b4c189..01fb25170 100644
--- a/packages/basic/src/events/keyUp.ts
+++ b/packages/basic/src/events/keyUp.ts
@@ -4,6 +4,7 @@ export const keyUp = defineEvent({
   operation(widget, effect) {
     document.addEventListener('keyup', (event: KeyboardEvent) => {
       effect(widget, event.key)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/mouseEnter.ts b/packages/basic/src/events/mouseEnter.ts
index 04f1376ea..487642e87 100644
--- a/packages/basic/src/events/mouseEnter.ts
+++ b/packages/basic/src/events/mouseEnter.ts
@@ -11,6 +11,7 @@ export const mouseEnter = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/mouseLeave.ts b/packages/basic/src/events/mouseLeave.ts
index 143b33038..5ecd714e6 100644
--- a/packages/basic/src/events/mouseLeave.ts
+++ b/packages/basic/src/events/mouseLeave.ts
@@ -11,6 +11,7 @@ export const mouseLeave = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/mouseMove.ts b/packages/basic/src/events/mouseMove.ts
index 72886c133..0543851e2 100644
--- a/packages/basic/src/events/mouseMove.ts
+++ b/packages/basic/src/events/mouseMove.ts
@@ -11,6 +11,7 @@ export const mouseMove = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/mouseMoveOnCanvas.ts b/packages/basic/src/events/mouseMoveOnCanvas.ts
index 1a2db354a..1ae98144e 100644
--- a/packages/basic/src/events/mouseMoveOnCanvas.ts
+++ b/packages/basic/src/events/mouseMoveOnCanvas.ts
@@ -8,6 +8,7 @@ export const mouseMoveOnCanvas = defineEvent({
       const absoluteY = event.clientY - rect.top
       const { x, y } = Widget.absoluteToRelative(widget, absoluteX, absoluteY)
       effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/mouseOut.ts b/packages/basic/src/events/mouseOut.ts
index df427af8a..77ae1034b 100644
--- a/packages/basic/src/events/mouseOut.ts
+++ b/packages/basic/src/events/mouseOut.ts
@@ -11,6 +11,7 @@ export const mouseLeave = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/mouseOver.ts b/packages/basic/src/events/mouseOver.ts
index 823c8b79a..4d89b95cc 100644
--- a/packages/basic/src/events/mouseOver.ts
+++ b/packages/basic/src/events/mouseOver.ts
@@ -11,6 +11,7 @@ export const mouseOver = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })
diff --git a/packages/basic/src/events/mouseUp.ts b/packages/basic/src/events/mouseUp.ts
index 584ef2b36..7af89152b 100644
--- a/packages/basic/src/events/mouseUp.ts
+++ b/packages/basic/src/events/mouseUp.ts
@@ -11,6 +11,7 @@ export const mouseUp = defineEvent({
       const isIn = widget.isIn(pX, pY)
       if (isIn)
         effect(widget, x, y)
+      event.preventDefault()
     })
   },
 })