【issues/503】table行选择时卡顿明显 #503

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 }