diff --git a/frontend/src/components/canvas/components/editor/Preview.vue b/frontend/src/components/canvas/components/editor/Preview.vue
index 05a8e141af..a94c23d16a 100644
--- a/frontend/src/components/canvas/components/editor/Preview.vue
+++ b/frontend/src/components/canvas/components/editor/Preview.vue
@@ -413,7 +413,8 @@ export default {
     }
   },
   created() {
-    if (this.canvasId === 'canvas-main') {
+    // 防止编辑界面销毁键盘事件监听
+    if (this.canvasId === 'canvas-main' && !this.showPosition.includes('multiplexing')) {
       listenGlobalKeyDownPreview()
     }
     // 取消视图请求
diff --git a/frontend/src/components/canvas/utils/shortcutKey.js b/frontend/src/components/canvas/utils/shortcutKey.js
index 1c0688e91e..02f61cc7ae 100644
--- a/frontend/src/components/canvas/utils/shortcutKey.js
+++ b/frontend/src/components/canvas/utils/shortcutKey.js
@@ -74,6 +74,8 @@ export function listenGlobalKeyDown() {
 export function listenGlobalKeyDownPreview() {
   window.onkeydown = (e) => {
     const { keyCode } = e
+    e.preventDefault()
+    e.stopPropagation()
     if (keyCode === ctrlKey || keyCode === commandKey) {
       isCtrlOrCommandDown = true
     } else if (isCtrlOrCommandDown) {