diff --git a/src/views/Editor/Thumbnails/index.vue b/src/views/Editor/Thumbnails/index.vue
index 36918b62..54fcf785 100644
--- a/src/views/Editor/Thumbnails/index.vue
+++ b/src/views/Editor/Thumbnails/index.vue
@@ -49,7 +49,6 @@ import { storeToRefs } from 'pinia'
 import { useMainStore, useSlidesStore, useKeyboardStore } from '@/store'
 import { fillDigit } from '@/utils/common'
 import { ContextmenuItem } from '@/components/Contextmenu/types'
-import { VIEWPORT_SIZE } from '@/configs/canvas'
 import useSlideHandler from '@/hooks/useSlideHandler'
 import useScreening from '@/hooks/useScreening'
 import useLoadSlides from '@/hooks/useLoadSlides'
@@ -79,9 +78,6 @@ export default defineComponent({
 
     const presetLayoutPopoverVisible = ref(false)
 
-    const scale = computed(() => 120 / VIEWPORT_SIZE)
-    provide('slideScale', scale)
-
     const {
       copySlide,
       pasteSlide,
diff --git a/src/views/components/ThumbnailSlide/index.vue b/src/views/components/ThumbnailSlide/index.vue
index 50afb860..58508cef 100644
--- a/src/views/components/ThumbnailSlide/index.vue
+++ b/src/views/components/ThumbnailSlide/index.vue
@@ -27,7 +27,7 @@
 </template>
 
 <script lang="ts">
-import { computed, PropType, defineComponent } from 'vue'
+import { computed, PropType, defineComponent, provide } from 'vue'
 import { storeToRefs } from 'pinia'
 import { useSlidesStore } from '@/store'
 import { Slide } from '@/types/slides'
@@ -62,6 +62,7 @@ export default defineComponent({
     const { backgroundStyle } = useSlideBackgroundStyle(background)
 
     const scale = computed(() => props.size / VIEWPORT_SIZE)
+    provide('slideScale', scale)
 
     return {
       scale,