diff --git a/src/components/Table/src/BasicTable.vue b/src/components/Table/src/BasicTable.vue
index 3a3eea2..a9d3b51 100644
--- a/src/components/Table/src/BasicTable.vue
+++ b/src/components/Table/src/BasicTable.vue
@@ -140,6 +140,7 @@
         deleteSelectRowByKey,
       } = useCustomSelection(
         getProps,
+        emit,
         wrapRef,
         getPaginationInfo,
         tableData,
diff --git a/src/components/Table/src/hooks/useCustomSelection.tsx b/src/components/Table/src/hooks/useCustomSelection.tsx
index 3297c8d..b069188 100644
--- a/src/components/Table/src/hooks/useCustomSelection.tsx
+++ b/src/components/Table/src/hooks/useCustomSelection.tsx
@@ -1,7 +1,7 @@
 import type { BasicColumn } from '/@/components/Table';
 import type { Ref, ComputedRef } from 'vue';
 import type { BasicTableProps, PaginationProps, TableRowSelection } from '/@/components/Table';
-import { computed, onUnmounted, ref, toRaw, unref, watchEffect } from 'vue';
+import { computed, nextTick, onUnmounted, ref, toRaw, unref, watch, watchEffect } from 'vue';
 import { omit } from 'lodash-es';
 import { throttle } from 'lodash-es';
 import { Checkbox } from 'ant-design-vue';
@@ -20,6 +20,7 @@ export const CUS_SEL_COLUMN_KEY = 'j-custom-selected-column';
  */
 export function useCustomSelection(
   propsRef: ComputedRef<BasicTableProps>,
+  emit: EmitType,
   wrapRef: Ref<null | HTMLDivElement>,
   getPaginationRef: ComputedRef<boolean | PaginationProps>,
   tableData: Ref<Recordable[]>,
@@ -99,13 +100,30 @@ export function useCustomSelection(
     };
   });
 
+  // 当任意一个变化时，触发同步检测
+  watch([selectedKeys, selectedRows], () => {
+    nextTick(() => {
+      syncSelectedRows();
+    });
+  });
+
   // 监听滚动条事件
   const onScrollTopChange = throttle((e) => (scrollTop.value = e?.target?.scrollTop), 150);
 
+  let bodyResizeObserver: Nullable<ResizeObserver> = null;
   // 获取首行行高
   watchEffect(() => {
     if (bodyEl.value) {
-      bodyHeight.value = bodyEl.value.offsetHeight;
+      // 监听div高度变化
+      bodyResizeObserver = new ResizeObserver((entries) => {
+        for (let entry of entries) {
+          if (entry.target === bodyEl.value && entry.contentRect) {
+            const { height } = entry.contentRect;
+            bodyHeight.value = Math.ceil(height);
+          }
+        }
+      });
+      bodyResizeObserver.observe(bodyEl.value);
       const el = bodyEl.value?.querySelector('tbody.ant-table-tbody tr.ant-table-row') as HTMLDivElement;
       if (el) {
         rowHeight.value = el.offsetHeight;
@@ -125,6 +143,9 @@ export function useCustomSelection(
     if (bodyEl.value) {
       bodyEl.value?.removeEventListener('scroll', onScrollTopChange);
     }
+    if (bodyResizeObserver != null) {
+      bodyResizeObserver.disconnect();
+    }
   });
 
   // 选择全部
@@ -237,6 +258,10 @@ export function useCustomSelection(
         }, 0);
       }
     }
+    emit('selection-change', {
+      keys: getSelectRowKeys(),
+      rows: getSelectRows(),
+    });
   }
 
   // 用于判断是否是自定义选择列
@@ -317,6 +342,13 @@ export function useCustomSelection(
     onSelectAll(false);
   }
 
+  // 通过 selectedKeys 同步 selectedRows
+  function syncSelectedRows() {
+    if (selectedKeys.value.length !== selectedRows.value.length) {
+      setSelectedRowKeys(selectedKeys.value);
+    }
+  }
+
   // 设置选择的key
   function setSelectedRowKeys(rowKeys: string[]) {
     selectedKeys.value = rowKeys;
@@ -333,6 +365,7 @@ export function useCustomSelection(
       found && trueSelectedRows.push(found);
     });
     selectedRows.value = trueSelectedRows;
+    emitChange();
   }
 
   function getSelectRows<T = Recordable>() {