From c1475082ee373518cbe4e8a49cffedf48c0f0dff Mon Sep 17 00:00:00 2001
From: zhangdaiscott <zhangdaiscott@163.com>
Date: Mon, 19 Jun 2023 17:57:37 +0800
Subject: [PATCH] =?UTF-8?q?=E3=80=90issues/503=E3=80=91table=E8=A1=8C?=
 =?UTF-8?q?=E9=80=89=E6=8B=A9=E6=97=B6=E5=8D=A1=E9=A1=BF=E6=98=8E=E6=98=BE?=
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---
 src/components/Table/src/hooks/useRowSelection.ts | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/components/Table/src/hooks/useRowSelection.ts b/src/components/Table/src/hooks/useRowSelection.ts
index dc0d2f2..c9ee5e2 100644
--- a/src/components/Table/src/hooks/useRowSelection.ts
+++ b/src/components/Table/src/hooks/useRowSelection.ts
@@ -44,10 +44,15 @@ export function useRowSelection(propsRef: ComputedRef<BasicTableProps>, tableDat
           const { onChange } = rowSelection;
           if (onChange && isFunction(onChange)) onChange(getSelectRowKeys(), getSelectRows());
         }
-        emit('selection-change', {
-          keys: getSelectRowKeys(),
-          rows: getSelectRows(),
-        });
+        //update-begin---author:scott ---date:2023-06-19  for：【issues/503】table行选择时卡顿明显 #503---
+        //table行选择时卡顿明显 #503
+        if (unref(tableData).length > 0) {
+          emit('selection-change', {
+            keys: getSelectRowKeys(),
+            rows: getSelectRows(),
+          });
+        }
+        //update-end---author:scott ---date::2023-06-19  for：【issues/503】table行选择时卡顿明显 #503---
       });
     },
     { deep: true }