diff --git a/packages/scrollbar/src/bar.vue b/packages/scrollbar/src/bar.vue
index 10128a733a..ca62112571 100644
--- a/packages/scrollbar/src/bar.vue
+++ b/packages/scrollbar/src/bar.vue
@@ -48,7 +48,7 @@ export default defineComponent({
       }
       window.getSelection().removeAllRanges()
       startDrag(e)
-      barStore.value[bar.value.axis] = (e.currentTarget[bar.value.offset] - (e[bar.value.client] - e.currentTarget.getBoundingClientRect()[bar.value.direction]))
+      barStore.value[bar.value.axis] = (e.currentTarget[bar.value.offset] - (e[bar.value.client] - (e.currentTarget as HTMLElement).getBoundingClientRect()[bar.value.direction]))
     }
 
     const clickTrackHandler = (e: MouseEvent) => {