diff --git a/packages/opendesign/src/pagination/OPagination.vue b/packages/opendesign/src/pagination/OPagination.vue
index ed612eb28c3bd7083740e2fa39c63cbcb14c1d19..a5fb5148436295393c498c78c505729db3c2bd5f 100644
--- a/packages/opendesign/src/pagination/OPagination.vue
+++ b/packages/opendesign/src/pagination/OPagination.vue
@@ -14,6 +14,14 @@ import { useI18n } from '../locale';
 import { OVirtualList } from '../virtual-list';
 
 const props = defineProps(paginationProps);
+const currentPageSize = defineModel<number>('pageSize' );
+if (currentPageSize.value === undefined || !props.pageSizes.includes(currentPageSize.value) ) {
+  if (currentPageSize.value !== undefined ) {
+    console.warn(`pageSize ${currentPageSize.value} 不在pageSizes ${props.pageSizes} 可选项中，自动替换成可选项第一位`);
+  }
+  currentPageSize.value = props.pageSizes[0];
+}
+
 
 const round = getRoundClass(props, 'pagination');
 
@@ -26,12 +34,10 @@ const emits = defineEmits<{
 const { t } = useI18n();
 
 const simpleLayout = ['pager'];
-
-let currentPageSize = ref(props.pageSize || props.pageSizes[0]);
 let currentPage = ref(Math.round(props.page));
 
 const pageSizeList = computed(() => {
-  return getSizeOptions(currentPageSize.value, props.pageSizes, t('pagination.countPerPage'));
+  return getSizeOptions(currentPageSize.value!, props.pageSizes, t('pagination.countPerPage'));
 });
 
 const defaultSizeLabel = computed(() => currentPageSize.value + t('pagination.countPerPage'));
@@ -40,7 +46,7 @@ const layout = computed(() => {
   return props.simple ? simpleLayout : props.layout;
 });
 
-const totalPage = computed(() => Math.ceil(props.total / currentPageSize.value));
+const totalPage = computed(() => Math.ceil(props.total / currentPageSize.value!));
 
 const pages = ref(getPagerList(totalPage.value, currentPage.value, props.showPageCount));
 
@@ -71,7 +77,7 @@ const updateCurrentPage = (page: number) => {
   emits('update:page', currentPage.value);
   emits('change', {
     page: currentPage.value,
-    pageSize: currentPageSize.value,
+    pageSize: currentPageSize.value!,
   });
 };
 
@@ -115,21 +121,20 @@ const parseJumperVal = (val: string | number) => {
 
 const pageSizeChange = (val: SelectValueT) => {
   // updateCurrentPage(Number(val));
-  const currentIndex = currentPageSize.value * (currentPage.value - 1);
+  const currentIndex = currentPageSize.value! * (currentPage.value - 1);
   const oldPage = currentPage.value;
   currentPageSize.value = Number(val);
   nextTick(() => {
-    currentPage.value = Math.floor(currentIndex / currentPageSize.value) + 1;
+    currentPage.value = Math.floor(currentIndex / currentPageSize.value!) + 1;
 
     pages.value = getPagerList(totalPage.value, currentPage.value, props.showPageCount);
 
     if (oldPage !== currentPage.value) {
       emits('update:page', currentPage.value);
     }
-    emits('update:pageSize', currentPageSize.value);
     emits('change', {
       page: currentPage.value,
-      pageSize: currentPageSize.value,
+      pageSize: currentPageSize.value!,
     });
   });
 };