[Mod 0000]修复表格多选时复选框不能正常勾选的问题

src/components/Table/src/hooks/useCustomSelection.tsx

@@ -279,13 +279,14 @@ export function useCustomSelection(
     const index = selectedKeys.value.findIndex((key) => key === recordKey);
     if (checked) {
       if (index === -1) {
-        selectedKeys.value.push(recordKey);
-        selectedRows.value.push(record);
+        // 使用新数组替换，确保Vue响应式系统能检测到变化
+        selectedKeys.value = [...selectedKeys.value, recordKey];
+        selectedRows.value = [...selectedRows.value, record];
       }
     } else {
       if (index !== -1) {
-        selectedKeys.value.splice(index, 1);
-        selectedRows.value.splice(index, 1);
+        selectedKeys.value = selectedKeys.value.filter((_, i) => i !== index);
+        selectedRows.value = selectedRows.value.filter((_, i) => i !== index);
       }
     }
   }