diff --git a/packages/page-controller/src/mask/SimulatorMask.ts b/packages/page-controller/src/mask/SimulatorMask.ts
index 41cbdb4..ec986cc 100644
--- a/packages/page-controller/src/mask/SimulatorMask.ts
+++ b/packages/page-controller/src/mask/SimulatorMask.ts
@@ -10,6 +10,8 @@ export class SimulatorMask extends EventTarget {
 	wrapper = document.createElement('div')
 	motion: Motion | null = null
 
+	#disposed = false
+
 	#cursor = document.createElement('div')
 
 	#currentCursorX = 0
@@ -129,6 +131,7 @@ export class SimulatorMask extends EventTarget {
 	}
 
 	#moveCursorToTarget() {
+		if (this.#disposed) return
 		const newX = this.#currentCursorX + (this.#targetCursorX - this.#currentCursorX) * 0.2
 		const newY = this.#currentCursorY + (this.#targetCursorY - this.#currentCursorY) * 0.2
 
@@ -200,6 +203,7 @@ export class SimulatorMask extends EventTarget {
 	}
 
 	dispose() {
+		this.#disposed = true
 		console.log('dispose SimulatorMask')
 		this.motion?.dispose()
 		this.wrapper.remove()