diff --git a/docs/.vitepress/theme/styles/variables.css b/docs/.vitepress/theme/styles/variables.css
index d633803c..124bb0c4 100644
--- a/docs/.vitepress/theme/styles/variables.css
+++ b/docs/.vitepress/theme/styles/variables.css
@@ -104,6 +104,11 @@
   --vp-custom-block-tip-text: var(--vp-c-text-1);
   --vp-custom-block-tip-bg: var(--vp-c-brand-soft);
   --vp-custom-block-tip-code-bg: var(--vp-c-brand-soft);
+
+  /**
+  * modal zIndex
+  */
+  --popup-z-index: 1000;
 }
 
 @media (min-width: 640px) {
diff --git a/docs/src/components/common-ui/vben-api-component.md b/docs/src/components/common-ui/vben-api-component.md
index dac916bf..17b8d306 100644
--- a/docs/src/components/common-ui/vben-api-component.md
+++ b/docs/src/components/common-ui/vben-api-component.md
@@ -131,26 +131,36 @@ function fetchApi(): Promise<Record<string, any>> {
 
 ### Props
 
-| 属性名 | 描述 | 类型 | 默认值 |
-| --- | --- | --- | --- |
-| modelValue(v-model) | 当前值 | `any` | - |
-| component | 欲包装的组件（以下称为目标组件） | `Component` | - |
-| numberToString | 是否将value从数字转为string | `boolean` | `false` |
-| api | 获取数据的函数 | `(arg?: any) => Promise<OptionsItem[] \| Record<string, any>>` | - |
-| params | 传递给api的参数 | `Record<string, any>` | - |
-| resultField | 从api返回的结果中提取options数组的字段名 | `string` | - |
-| labelField | label字段名 | `string` | `label` |
-| childrenField | 子级数据字段名，需要层级数据的组件可用 | `string` | `` |
-| valueField | value字段名 | `string` | `value` |
-| optionsPropName | 目标组件接收options数据的属性名称 | `string` | `options` |
-| modelPropName | 目标组件的双向绑定属性名，默认为modelValue。部分组件可能为value | `string` | `modelValue` |
-| immediate | 是否立即调用api | `boolean` | `true` |
-| alwaysLoad | 每次`visibleEvent`事件发生时都重新请求数据 | `boolean` | `false` |
-| beforeFetch | 在api请求之前的回调函数 | `AnyPromiseFunction<any, any>` | - |
-| afterFetch | 在api请求之后的回调函数 | `AnyPromiseFunction<any, any>` | - |
-| options | 直接传入选项数据，也作为api返回空数据时的后备数据 | `OptionsItem[]` | - |
-| visibleEvent | 触发重新请求数据的事件名 | `string` | - |
-| loadingSlot | 目标组件的插槽名称，用来显示一个"加载中"的图标 | `string` | - |
+| 属性名 | 描述 | 类型 | 默认值 | 版本要求 |
+| --- | --- | --- | --- | --- |
+| modelValue(v-model) | 当前值 | `any` | - | - |
+| component | 欲包装的组件（以下称为目标组件） | `Component` | - | - |
+| numberToString | 是否将value从数字转为string | `boolean` | `false` | - |
+| api | 获取数据的函数 | `(arg?: any) => Promise<OptionsItem[] \| Record<string, any>>` | - | - |
+| params | 传递给api的参数 | `Record<string, any>` | - | - |
+| resultField | 从api返回的结果中提取options数组的字段名 | `string` | - | - |
+| labelField | label字段名 | `string` | `label` | - |
+| childrenField | 子级数据字段名，需要层级数据的组件可用 | `string` | `` | - |
+| valueField | value字段名 | `string` | `value` | - |
+| optionsPropName | 目标组件接收options数据的属性名称 | `string` | `options` | - |
+| modelPropName | 目标组件的双向绑定属性名，默认为modelValue。部分组件可能为value | `string` | `modelValue` | - |
+| immediate | 是否立即调用api | `boolean` | `true` | - |
+| alwaysLoad | 每次`visibleEvent`事件发生时都重新请求数据 | `boolean` | `false` | - |
+| beforeFetch | 在api请求之前的回调函数 | `AnyPromiseFunction<any, any>` | - | - |
+| afterFetch | 在api请求之后的回调函数 | `AnyPromiseFunction<any, any>` | - | - |
+| options | 直接传入选项数据，也作为api返回空数据时的后备数据 | `OptionsItem[]` | - | - |
+| visibleEvent | 触发重新请求数据的事件名 | `string` | - | - |
+| loadingSlot | 目标组件的插槽名称，用来显示一个"加载中"的图标 | `string` | - | - |
+| autoSelect | 自动设置选项 | `'first' \| 'last' \| 'none'\| false` | `false` | >5.5.4 |
+
+#### autoSelect 自动设置选项
+
+如果当前值为undefined，在选项数据成功加载之后，自动从备选项中选择一个作为当前值。默认值为`false`，即不自动选择选项。注意：该属性不应用于多选组件。可选值有：
+
+- `first`：自动选择第一个选项
+- `last`：自动选择最后一个选项
+- `one`：有且仅有一个选项时，自动选择它
+- false：不自动选择选项
 
 ### Methods
 
diff --git a/docs/src/demos/vben-alert/prompt/index.vue b/docs/src/demos/vben-alert/prompt/index.vue
index c9cf5c3e..02a4ccc5 100644
--- a/docs/src/demos/vben-alert/prompt/index.vue
+++ b/docs/src/demos/vben-alert/prompt/index.vue
@@ -3,7 +3,7 @@ import { h } from 'vue';
 
 import { alert, prompt, VbenButton } from '@vben/common-ui';
 
-import { Input, RadioGroup } from 'ant-design-vue';
+import { Input, RadioGroup, Select } from 'ant-design-vue';
 import { BadgeJapaneseYen } from 'lucide-vue-next';
 
 function showPrompt() {
@@ -18,7 +18,7 @@ function showPrompt() {
     });
 }
 
-function showSelectPrompt() {
+function showSlotsPrompt() {
   prompt({
     component: Input,
     componentProps: {
@@ -37,6 +37,29 @@ function showSelectPrompt() {
   });
 }
 
+function showSelectPrompt() {
+  prompt({
+    component: Select,
+    componentProps: {
+      options: [
+        { label: 'Option A', value: 'Option A' },
+        { label: 'Option B', value: 'Option B' },
+        { label: 'Option C', value: 'Option C' },
+      ],
+      placeholder: '请选择',
+      // 弹窗会设置body的pointer-events为none，这回影响下拉框的点击事件
+      popupClassName: 'pointer-events-auto',
+    },
+    content: '此弹窗演示了如何使用component传递自定义组件',
+    icon: 'question',
+    modelPropName: 'value',
+  }).then((val) => {
+    if (val) {
+      alert(`你选择了${val}`);
+    }
+  });
+}
+
 function sleep(ms: number) {
   return new Promise((resolve) => setTimeout(resolve, ms));
 }
@@ -44,7 +67,6 @@ function sleep(ms: number) {
 function showAsyncPrompt() {
   prompt({
     async beforeClose(scope) {
-      console.log(scope);
       if (scope.isConfirm) {
         if (scope.value) {
           // 模拟异步操作，如果不成功，可以返回false
@@ -75,6 +97,7 @@ function showAsyncPrompt() {
 <template>
   <div class="flex gap-4">
     <VbenButton @click="showPrompt">Prompt</VbenButton>
+    <VbenButton @click="showSlotsPrompt"> Prompt With slots </VbenButton>
     <VbenButton @click="showSelectPrompt">Prompt With Select</VbenButton>
     <VbenButton @click="showAsyncPrompt">Prompt With Async</VbenButton>
   </div>
diff --git a/packages/@core/ui-kit/popup-ui/src/alert/alert.ts b/packages/@core/ui-kit/popup-ui/src/alert/alert.ts
index 49d65ed5..1f0d0282 100644
--- a/packages/@core/ui-kit/popup-ui/src/alert/alert.ts
+++ b/packages/@core/ui-kit/popup-ui/src/alert/alert.ts
@@ -36,6 +36,10 @@ export type AlertProps = {
   contentMasking?: boolean;
   /** 弹窗的图标（在标题的前面） */
   icon?: Component | IconType;
+  /**
+   * 弹窗遮罩模糊效果
+   */
+  overlayBlur?: number;
   /** 是否显示取消按钮 */
   showCancel?: boolean;
   /** 弹窗标题 */
diff --git a/packages/@core/ui-kit/popup-ui/src/alert/alert.vue b/packages/@core/ui-kit/popup-ui/src/alert/alert.vue
index 5c02ed2a..e6237304 100644
--- a/packages/@core/ui-kit/popup-ui/src/alert/alert.vue
+++ b/packages/@core/ui-kit/popup-ui/src/alert/alert.vue
@@ -3,7 +3,7 @@ import type { Component } from 'vue';
 
 import type { AlertProps } from './alert';
 
-import { computed, h, nextTick, ref, watch } from 'vue';
+import { computed, h, nextTick, ref } from 'vue';
 
 import { useSimpleLocale } from '@vben-core/composables';
 import {
@@ -39,14 +39,12 @@ const open = defineModel<boolean>('open', { default: false });
 const { $t } = useSimpleLocale();
 const components = globalShareState.getComponents();
 const isConfirm = ref(false);
-watch(open, async (val) => {
-  await nextTick();
-  if (val) {
-    isConfirm.value = false;
-  } else {
-    emits('closed', isConfirm.value);
-  }
-});
+
+function onAlertClosed() {
+  emits('closed', isConfirm.value);
+  isConfirm.value = false;
+}
+
 const getIconRender = computed(() => {
   let iconRender: Component | null = null;
   if (props.icon) {
@@ -100,6 +98,7 @@ function handleCancel() {
 
 const loading = ref(false);
 async function handleOpenChange(val: boolean) {
+  await nextTick();
   if (!val && props.beforeClose) {
     loading.value = true;
     try {
@@ -120,15 +119,16 @@ async function handleOpenChange(val: boolean) {
     <AlertDialogContent
       :open="open"
       :centered="centered"
+      :overlay-blur="overlayBlur"
       @opened="emits('opened')"
+      @closed="onAlertClosed"
       :class="
         cn(
           containerClass,
-          'left-0 right-0 top-[10vh] mx-auto flex max-h-[80%] flex-col p-0 duration-300 sm:rounded-[var(--radius)] md:w-[520px] md:max-w-[80%]',
+          'left-0 right-0 mx-auto flex max-h-[80%] flex-col p-0 duration-300 sm:rounded-[var(--radius)] md:w-[520px] md:max-w-[80%]',
           {
             'border-border border': bordered,
             'shadow-3xl': !bordered,
-            'top-1/2 !-translate-y-1/2': centered,
           },
         )
       "
diff --git a/packages/@core/ui-kit/shadcn-ui/src/ui/alert-dialog/AlertDialogContent.vue b/packages/@core/ui-kit/shadcn-ui/src/ui/alert-dialog/AlertDialogContent.vue
index b14dc0ec..c3d5c143 100644
--- a/packages/@core/ui-kit/shadcn-ui/src/ui/alert-dialog/AlertDialogContent.vue
+++ b/packages/@core/ui-kit/shadcn-ui/src/ui/alert-dialog/AlertDialogContent.vue
@@ -61,7 +61,7 @@ defineExpose({
 
 <template>
   <AlertDialogPortal>
-    <Transition name="fade">
+    <Transition name="fade" appear>
       <AlertDialogOverlay
         v-if="open && modal"
         :style="{
@@ -80,7 +80,17 @@ defineExpose({
       v-bind="forwarded"
       :class="
         cn(
-          'z-popup bg-background data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-top-[48%] w-full p-6 shadow-lg outline-none sm:rounded-xl',
+          'z-popup bg-background w-full p-6 shadow-lg outline-none sm:rounded-xl',
+          'data-[state=open]:animate-in data-[state=open]:fade-in-0 data-[state=open]:zoom-in-95',
+          'data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95',
+          {
+            'data-[state=open]:slide-in-from-top-[48%] data-[state=closed]:slide-out-to-top-[48%]':
+              !centered,
+            'data-[state=open]:slide-in-from-top-[98%] data-[state=closed]:slide-out-to-top-[148%]':
+              centered,
+            'top-[10vh]': !centered,
+            'top-1/2 -translate-y-1/2': centered,
+          },
           props.class,
         )
       "
diff --git a/packages/effects/common-ui/src/components/api-component/api-component.vue b/packages/effects/common-ui/src/components/api-component/api-component.vue
index f4f6acd5..b3b33025 100644
--- a/packages/effects/common-ui/src/components/api-component/api-component.vue
+++ b/packages/effects/common-ui/src/components/api-component/api-component.vue
@@ -54,6 +54,14 @@ interface Props {
   visibleEvent?: string;
   /** 组件的v-model属性名，默认为modelValue。部分组件可能为value */
   modelPropName?: string;
+  /**
+   * 自动选择
+   * - `first`：自动选择第一个选项
+   * - `last`：自动选择最后一个选项
+   * - `one`: 当请求的结果只有一个选项时，自动选择该选项
+   * - false：不自动选择(默认)
+   */
+  autoSelect?: 'first' | 'last' | 'one' | false;
 }
 
 defineOptions({ name: 'ApiComponent', inheritAttrs: false });
@@ -74,6 +82,7 @@ const props = withDefaults(defineProps<Props>(), {
   afterFetch: undefined,
   modelPropName: 'modelValue',
   api: undefined,
+  autoSelect: false,
   options: () => [],
 });
 
@@ -81,7 +90,7 @@ const emit = defineEmits<{
   optionsChange: [OptionsItem[]];
 }>();
 
-const modelValue = defineModel({ default: '' });
+const modelValue = defineModel<any>({ default: undefined });
 
 const attrs = useAttrs();
 const innerParams = ref({});
@@ -194,6 +203,31 @@ watch(
 );
 
 function emitChange() {
+  if (
+    modelValue.value === undefined &&
+    props.autoSelect &&
+    unref(getOptions).length > 0
+  ) {
+    let firstOption;
+    switch (props.autoSelect) {
+      case 'first': {
+        firstOption = unref(getOptions)[0];
+        break;
+      }
+      case 'last': {
+        firstOption = unref(getOptions)[unref(getOptions).length - 1];
+        break;
+      }
+      case 'one': {
+        if (unref(getOptions).length === 1) {
+          firstOption = unref(getOptions)[0];
+        }
+        break;
+      }
+    }
+
+    if (firstOption) modelValue.value = firstOption[props.valueField];
+  }
   emit('optionsChange', unref(getOptions));
 }
 const componentRef = ref();
diff --git a/playground/src/views/examples/form/basic.vue b/playground/src/views/examples/form/basic.vue
index 5d734d43..75e868d8 100644
--- a/playground/src/views/examples/form/basic.vue
+++ b/playground/src/views/examples/form/basic.vue
@@ -74,6 +74,7 @@ const [BaseForm, baseFormApi] = useVbenForm({
         },
         // 菜单接口
         api: getAllMenusApi,
+        autoSelect: 'first',
       },
       // 字段名
       fieldName: 'api',
diff --git a/playground/src/views/examples/modal/index.vue b/playground/src/views/examples/modal/index.vue
index 2137227b..7401737a 100644
--- a/playground/src/views/examples/modal/index.vue
+++ b/playground/src/views/examples/modal/index.vue
@@ -138,6 +138,7 @@ function openConfirm() {
         }, 1000);
       });
     },
+    centered: false,
     content: '这是一个确认弹窗',
     icon: 'question',
   })
@@ -160,6 +161,7 @@ async function openPrompt() {
     componentProps: { placeholder: '不能吃芝士...' },
     content: '中午吃了什么？',
     icon: 'question',
+    overlayBlur: 3,
   })
     .then((res) => {
       message.success(`用户输入了：${res}`);