diff --git a/components/_util/getScrollBarSize.ts b/components/_util/getScrollBarSize.ts
index 12a142f3f..ab077216a 100644
--- a/components/_util/getScrollBarSize.ts
+++ b/components/_util/getScrollBarSize.ts
@@ -54,9 +54,12 @@ export function getTargetScrollBarSize(target: HTMLElement) {
     return { width: 0, height: 0 };
   }
 
+  const hasVertical = target.scrollHeight > target.clientHeight;
+  const hasHorizontal = target.scrollWidth > target.clientWidth;
+
   const { width, height } = getComputedStyle(target, '::-webkit-scrollbar');
   return {
-    width: ensureSize(width),
-    height: ensureSize(height),
+    width: hasVertical ? ensureSize(width) : 0,
+    height: hasHorizontal ? ensureSize(height) : 0,
   };
 }
diff --git a/components/vc-table/Table.tsx b/components/vc-table/Table.tsx
index d68688787..f7ced9a13 100644
--- a/components/vc-table/Table.tsx
+++ b/components/vc-table/Table.tsx
@@ -379,7 +379,7 @@ export default defineComponent({
     watchEffect(() => {
       if (fixHeader.value) {
         scrollYStyle.value = {
-          overflowY: 'scroll',
+          overflowY: 'auto',
           maxHeight: toPx(props.scroll.y),
         };
       }