diff --git a/bms-front/src/components/TableCopyMenu/index.vue b/bms-front/src/components/TableCopyMenu/index.vue
index 8630feba..30938d7d 100644
--- a/bms-front/src/components/TableCopyMenu/index.vue
+++ b/bms-front/src/components/TableCopyMenu/index.vue
@@ -95,7 +95,9 @@ function onDocPointerDown(e) {
 function onDocKeydown(e) {
   if (e.key === 'Escape') close()
 }
-function onWindowScroll() {
+function onWindowScroll(e) {
+  // 菜单自身（列较多时出现内部滚动条）的滚轮/滚动条滚动不关闭菜单
+  if (menuRef.value && e.target instanceof Node && menuRef.value.contains(e.target)) return
   close()
 }