diff --git a/packages/stage-ui/src/components/scenarios/settings/model-settings/live2d.vue b/packages/stage-ui/src/components/scenarios/settings/model-settings/live2d.vue
index d258d383e..053009311 100644
--- a/packages/stage-ui/src/components/scenarios/settings/model-settings/live2d.vue
+++ b/packages/stage-ui/src/components/scenarios/settings/model-settings/live2d.vue
@@ -3,9 +3,9 @@ import type { ModelSettingsRuntimeSnapshot } from './runtime'
 
 import { defaultModelParameters, useLive2d } from '@proj-airi/stage-ui-live2d'
 import { OPFSCache } from '@proj-airi/stage-ui-live2d/utils/opfs-loader'
-import { Button, Checkbox, FieldRange, SelectTab } from '@proj-airi/ui'
+import { Button, Checkbox, FieldCheckbox, FieldCombobox, FieldRange, SelectTab } from '@proj-airi/ui'
 import { storeToRefs } from 'pinia'
-import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
+import { computed, onMounted, ref, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 
 import { useSettings } from '../../../../stores/settings'
@@ -44,44 +44,36 @@ const {
 } = storeToRefs(live2d)
 
 const selectedRuntimeMotion = ref<string>('')
-const selectedRuntimeMotionName = ref<string>('')
-const runtimeMotions = ref<Array<{ name: string, fullPath: string, displayPath: string, group: string, index: number }>>([])
-const showMotionSelector = ref(false)
+const runtimeMotions = ref<Array<{ name: string, displayPath: string, group: string, index: number }>>([])
 const canExtractColors = computed(() => props.runtimeSnapshot.canCapturePreview)
+const runtimeMotionOptions = computed(() => runtimeMotions.value.map(motion => ({
+  label: motion.name,
+  value: motion.displayPath,
+  description: motion.displayPath,
+})))
 const fpsOptions = computed(() => [
   { value: 0, label: t('settings.live2d.fps.options.unlimited') },
   { value: 60, label: '60' },
   { value: 30, label: '30' },
 ])
 
-// Get available runtime motions from the model
+watch(() => live2d.availableMotions, (motions) => {
+  runtimeMotions.value = motions.map(m => ({
+    name: m.fileName.split('/').pop() || m.fileName,
+    displayPath: m.fileName,
+    group: m.motionName,
+    index: m.motionIndex,
+  }))
+
+  console.info('Available motions:', runtimeMotions.value)
+}, { immediate: true })
+
 onMounted(() => {
-  // Listen for available motions updates
-  watch(() => live2d.availableMotions, (motions) => {
-    // Show all motions with their full paths
-    runtimeMotions.value = motions.map(m => ({
-      name: m.fileName.split('/').pop() || m.fileName,
-      fullPath: m.fileName, // Full path like "hiyori_free_zh/runtime/motions/idle.motion3.json"
-      displayPath: m.fileName, // Show full path for clarity
-      group: m.motionName,
-      index: m.motionIndex,
-    }))
-
-    console.info('Available motions:', runtimeMotions.value)
-  }, { immediate: true })
-
   // Restore selected motion
   const savedPath = localStorage.getItem('selected-runtime-motion')
-  const savedName = localStorage.getItem('selected-runtime-motion-name')
   if (savedPath) {
     selectedRuntimeMotion.value = savedPath
   }
-  if (savedName) {
-    selectedRuntimeMotionName.value = savedName
-  }
-
-  // Add click outside handler
-  document.addEventListener('click', handleClickOutside)
 })
 
 // Function to reset all parameters to default values
@@ -101,12 +93,17 @@ async function clearModelCache() {
   }
 }
 
-// Runtime motion selection handlers
-function handleMotionSelect(motion: any) {
-  selectedRuntimeMotion.value = motion.displayPath // Store full path
-  selectedRuntimeMotionName.value = motion.name // Store just the filename for display
+function handleMotionSelect(selectedMotionPath: string | number | undefined) {
+  if (typeof selectedMotionPath !== 'string') {
+    return
+  }
+
+  const motion = runtimeMotions.value.find(item => item.displayPath === selectedMotionPath)
+  if (!motion) {
+    return
+  }
+
   localStorage.setItem('selected-runtime-motion', motion.displayPath)
-  localStorage.setItem('selected-runtime-motion-name', motion.name)
   localStorage.setItem('selected-runtime-motion-group', motion.group)
   localStorage.setItem('selected-runtime-motion-index', motion.index.toString())
 
@@ -116,29 +113,11 @@ function handleMotionSelect(motion: any) {
   // Set the current motion to the selected runtime motion
   currentMotion.value = { group: motion.group, index: motion.index }
 
-  showMotionSelector.value = false
-
-  console.info('✅ Selected runtime motion:', motion.name)
+  console.info('Selected runtime motion:', motion.name)
   console.info('Full path:', motion.displayPath)
   console.info('Group:', motion.group, 'Index:', motion.index)
 }
 
-function toggleMotionSelector() {
-  showMotionSelector.value = !showMotionSelector.value
-}
-
-// Close dropdown when clicking outside
-function handleClickOutside(event: MouseEvent) {
-  const target = event.target as HTMLElement
-  if (!target.closest('[data-motion-selector]')) {
-    showMotionSelector.value = false
-  }
-}
-
-onUnmounted(() => {
-  document.removeEventListener('click', handleClickOutside)
-})
-
 // async function patchMotionMap(source: File, motionMap: Record<string, string>): Promise<File> {
 //   if (!Object.keys(motionMap).length)
 //     return source
@@ -296,61 +275,25 @@ onUnmounted(() => {
     size="sm"
     :expand="false"
   >
-    <div :class="['flex', 'items-center', 'justify-between']">
-      <span :class="['text-sm', 'text-neutral-600', 'dark:text-neutral-400']">
-        {{ t('settings.live2d.focus.button-disable.title') }}
-      </span>
-      <Checkbox v-model="live2dDisableFocus" />
-    </div>
+    <FieldCheckbox
+      v-model="live2dDisableFocus"
+      :label="t('settings.live2d.focus.button-disable.title')"
+      placement="right"
+    />
 
-    <div flex items-center justify-between>
-      <span text-sm text-neutral-600 dark:text-neutral-400>Idle Animation</span>
-      <div data-motion-selector relative flex flex-col items-end gap-1>
-        <button
-
-          :title="selectedRuntimeMotion"
-          flex items-center gap-2 border rounded bg-neutral-100 px-4 py-2 text-sm text-neutral-700 font-medium transition-colors dark:border-neutral-700 dark:bg-neutral-800 hover:bg-neutral-200 dark:text-neutral-300 dark:hover:bg-neutral-700
-          @click="toggleMotionSelector"
-        >
-          <span max-w-32 truncate>{{ selectedRuntimeMotionName || 'Select Motion' }}</span>
-          <div
-            :class="showMotionSelector ? 'i-solar:alt-arrow-up-line-duotone' : 'i-solar:alt-arrow-down-line-duotone'"
-            text-xs transition-transform
-          />
-        </button>
-
-        <!-- Dropdown menu -->
-        <div
-          v-if="showMotionSelector"
-
-          bg="white dark:neutral-800"
-          border="1 neutral-200 dark:neutral-700"
-          absolute right-0 top-10 z-50 max-h-80 min-w-64 overflow-y-auto rounded-lg shadow-lg
-        >
-          <div v-if="runtimeMotions.length === 0" p-4 text-sm text-neutral-500 dark:text-neutral-400>
-            No motions available
-          </div>
-          <button
-            v-for="motion in runtimeMotions"
-            :key="motion.fullPath"
-            w-full px-4 py-2.5 text-left
-            hover:bg="neutral-100 dark:neutral-700"
-            transition-colors
-            :class="{
-              'bg-neutral-100 dark:bg-neutral-700': selectedRuntimeMotion === motion.displayPath,
-            }"
-            @click="handleMotionSelect(motion)"
-          >
-            <div text-sm text-neutral-900 font-medium dark:text-neutral-100>
-              {{ motion.name }}
-            </div>
-            <div truncate text-xs text-neutral-500 dark:text-neutral-400>
-              {{ motion.displayPath }}
-            </div>
-          </button>
-        </div>
-      </div>
-    </div>
+    <FieldCombobox
+      v-model="selectedRuntimeMotion"
+      label="Idle Animation"
+      :options="runtimeMotionOptions"
+      placeholder="Select Motion"
+      :select-class="['w-full']"
+      :content-min-width="256"
+      @update:model-value="handleMotionSelect"
+    >
+      <template #empty>
+        No motions available
+      </template>
+    </FieldCombobox>
 
     <div :class="['mt-4', 'flex', 'items-center', 'justify-between']">
       <div :class="['flex', 'flex-col', 'gap-1']">
@@ -379,21 +322,23 @@ onUnmounted(() => {
       <Checkbox v-model="live2dShadowEnabled" />
     </div>
 
-    <button
-
-      mt-4 w-full border rounded bg-neutral-100 px-4 py-2 text-sm text-neutral-700 font-medium transition-colors dark:border-neutral-700 dark:bg-neutral-800 hover:bg-neutral-200 dark:text-neutral-300 dark:hover:bg-neutral-700
+    <Button
+      variant="secondary"
+      class="mt-4 w-full"
       @click="resetToDefaultParameters"
     >
       Reset To Default Parameters
-    </button>
+    </Button>
 
-    <button
-      mt-2 w-full border rounded bg-neutral-100 px-4 py-2 text-sm text-neutral-700 font-medium transition-colors dark:border-neutral-700 dark:bg-neutral-800 hover:bg-neutral-200 dark:text-neutral-300 dark:hover:bg-neutral-700
+    <Button
+      variant="secondary"
+      class="mt-2 w-full"
       :disabled="clearingCache"
+      :loading="clearingCache"
       @click="clearModelCache"
     >
-      {{ clearingCache ? 'Clearing...' : 'Clear Model Cache' }}
-    </button>
+      Clear Model Cache
+    </Button>
 
     <!-- Head Rotation -->
     <div mb-2 mt-4 text-xs text-neutral-500 font-semibold dark:text-neutral-400>
diff --git a/packages/ui/src/components/form/combobox-select/combobox-select.vue b/packages/ui/src/components/form/combobox-select/combobox-select.vue
index ade8dfee8..7f71a30ae 100644
--- a/packages/ui/src/components/form/combobox-select/combobox-select.vue
+++ b/packages/ui/src/components/form/combobox-select/combobox-select.vue
@@ -1,10 +1,14 @@
 <script setup lang="ts">
-import { provide, ref } from 'vue'
-
 import { Combobox } from '../combobox'
 
 const props = defineProps<{
-  options?: { label: string, value: string | number }[]
+  options?: {
+    label: string
+    value: string | number
+    description?: string
+    disabled?: boolean
+    icon?: string
+  }[]
   placeholder?: string
   disabled?: boolean
   title?: string
@@ -13,27 +17,33 @@ const props = defineProps<{
   contentWidth?: string | number
 }>()
 
-const show = ref(false)
 const modelValue = defineModel<string | number>({ required: false })
-
-function selectOption(value: string | number) {
-  modelValue.value = value
-}
-
-function handleHide() {
-  show.value = false
-}
-
-provide('selectOption', selectOption)
-provide('hide', handleHide)
 </script>
 
 <template>
   <Combobox
     v-model="modelValue"
-    :default-value="modelValue"
     :options="[{ groupLabel: '', children: props.options }]"
+    :disabled="props.disabled"
     :content-min-width="props.contentMinWidth"
     :content-width="props.contentWidth"
-  />
+    :placeholder="props.placeholder"
+  >
+    <template
+      v-if="$slots.option"
+      #option="{ option }"
+    >
+      <slot
+        name="option"
+        v-bind="{ option }"
+      />
+    </template>
+
+    <template
+      v-if="$slots.empty"
+      #empty
+    >
+      <slot name="empty" />
+    </template>
+  </Combobox>
 </template>
diff --git a/packages/ui/src/components/form/combobox/combobox.vue b/packages/ui/src/components/form/combobox/combobox.vue
index 0f0396e41..ee4db5f0c 100644
--- a/packages/ui/src/components/form/combobox/combobox.vue
+++ b/packages/ui/src/components/form/combobox/combobox.vue
@@ -16,19 +16,58 @@ import {
   ComboboxTrigger,
   ComboboxViewport,
 } from 'reka-ui'
+import { computed } from 'vue'
 
-const props = defineProps<{
-  options: { groupLabel: string, children?: { label: string, value: T }[] }[]
+interface ComboboxOptionItem<T extends AcceptableValue> {
+  label: string
+  value: T
+  description?: string
+  disabled?: boolean
+  icon?: string
+}
+
+interface ComboboxOptionGroupItem<T extends AcceptableValue> {
+  groupLabel?: string
+  children?: ComboboxOptionItem<T>[]
+}
+
+const props = withDefaults(defineProps<{
+  options: ComboboxOptionItem<T>[] | ComboboxOptionGroupItem<T>[]
   placeholder?: string
+  disabled?: boolean
   contentMinWidth?: string | number
   contentWidth?: string | number
-}>()
+}>(), {
+  disabled: false,
+})
 
 const modelValue = defineModel<T>({ required: false })
 
+const normalizedOptions = computed<ComboboxOptionGroupItem<T>[]>(() => {
+  if (!props.options.length) {
+    return []
+  }
+
+  const [firstOption] = props.options
+  if ('value' in firstOption) {
+    return [
+      {
+        groupLabel: '',
+        children: props.options as ComboboxOptionItem<T>[],
+      },
+    ]
+  }
+
+  return props.options as ComboboxOptionGroupItem<T>[]
+})
+
+const flattenedOptions = computed<ComboboxOptionItem<T>[]>(() =>
+  normalizedOptions.value.flatMap(group => group.children ?? []),
+)
+
 function toDisplayValue(value: T): string {
-  const option = props.options.flatMap(group => group.children).find(option => option?.value === value)
-  return option ? option.label : props.placeholder || ''
+  const option = flattenedOptions.value.find(option => option.value === value)
+  return option?.label ?? props.placeholder ?? ''
 }
 
 function toCssSize(value?: string | number): string | undefined {
@@ -41,15 +80,20 @@ function toCssSize(value?: string | number): string | undefined {
 </script>
 
 <template>
-  <ComboboxRoot v-model="modelValue" :class="['relative', 'w-full', 'h-fit']">
+  <ComboboxRoot
+    v-model="modelValue"
+    :disabled="props.disabled"
+    :class="['relative', 'w-full', 'h-fit']"
+  >
     <ComboboxAnchor
       :class="[
         'w-full inline-flex items-center justify-between rounded-xl border px-3 leading-none h-9 gap-[5px] outline-none',
         'text-sm text-neutral-700 dark:text-neutral-200 data-[placeholder]:text-neutral-200',
-        'bg-white dark:bg-neutral-900 disabled:bg-neutral-100 hover:bg-neutral-50 dark:disabled:bg-neutral-900 dark:hover:bg-neutral-700',
+        'bg-white dark:bg-neutral-900 hover:bg-neutral-50 dark:hover:bg-neutral-700',
         'border-neutral-200 dark:border-neutral-800 border-solid border-2 focus:border-primary-300 dark:focus:border-primary-400/50',
         'shadow-sm focus:shadow-[0_0_0_2px] focus:shadow-black',
         'transition-colors duration-200 ease-in-out',
+        props.disabled ? 'cursor-not-allowed bg-neutral-100 opacity-60 dark:bg-neutral-900' : 'cursor-pointer',
       ]"
     >
       <ComboboxInput
@@ -58,6 +102,7 @@ function toCssSize(value?: string | number): string | undefined {
           'text-neutral-700 dark:text-neutral-200',
           'transition-colors duration-200 ease-in-out',
         ]"
+        :disabled="props.disabled"
         :placeholder="props.placeholder"
         :display-value="(val) => toDisplayValue(val)"
       />
@@ -103,19 +148,22 @@ function toCssSize(value?: string | number): string | undefined {
               'text-xs text-neutral-700 dark:text-neutral-200',
               'transition-colors duration-200 ease-in-out',
             ]"
-          />
+          >
+            <slot name="empty" />
+          </ComboboxEmpty>
 
           <template
-            v-for="(group, index) in options"
-            :key="group.groupLabel"
+            v-for="(group, groupIndex) in normalizedOptions"
+            :key="group.groupLabel || `group-${groupIndex}`"
           >
             <ComboboxGroup :class="['overflow-x-hidden']">
               <ComboboxSeparator
-                v-if="index !== 0"
+                v-if="groupIndex !== 0"
                 :class="['m-[5px]', 'h-[1px]', 'bg-neutral-400']"
               />
 
               <ComboboxLabel
+                v-if="group.groupLabel"
                 :class="[
                   'px-[25px] text-xs leading-[25px]',
                   'text-neutral-500 dark:text-neutral-400',
@@ -126,26 +174,70 @@ function toCssSize(value?: string | number): string | undefined {
               </ComboboxLabel>
 
               <ComboboxItem
-                v-for="option in group.children"
-                :key="option.label"
+                v-for="(option, optionIndex) in group.children || []"
+                :key="`${group.groupLabel || groupIndex}-${option.label}-${optionIndex}`"
                 :text-value="option.label"
                 :value="option.value"
+                :disabled="option.disabled"
                 :class="[
-                  'leading-normal rounded-lg flex items-center h-8 pr-[0.5rem] pl-[1.5rem] relative select-none data-[disabled]:pointer-events-none data-[highlighted]:outline-none',
+                  'leading-normal rounded-lg grid grid-cols-[1rem_minmax(0,1fr)] items-center gap-2 min-h-8 px-2 relative select-none data-[disabled]:pointer-events-none data-[highlighted]:outline-none',
                   'data-[highlighted]:bg-neutral-100 dark:data-[highlighted]:bg-neutral-800',
                   'text-sm text-neutral-700 dark:text-neutral-200 data-[disabled]:text-neutral-400 dark:data-[disabled]:text-neutral-600 data-[highlighted]:text-grass1',
                   'transition-colors duration-200 ease-in-out',
-                  'cursor-pointer',
+                  option.disabled ? 'cursor-not-allowed' : 'cursor-pointer',
                 ]"
               >
                 <ComboboxItemIndicator
-                  :class="['absolute', 'left-0', 'w-[25px]', 'inline-flex', 'items-center', 'justify-center', 'opacity-30']"
+                  :class="[
+                    'col-start-1 row-start-1',
+                    'inline-flex items-center justify-center',
+                    'w-[1rem]',
+                    'opacity-30',
+                    'text-current',
+                  ]"
                 >
-                  <div i-solar:alt-arrow-right-outline />
+                  <div i-solar:alt-arrow-right-outline class="size-4" />
                 </ComboboxItemIndicator>
-                <span :class="['line-clamp-1', 'overflow-hidden', 'text-ellipsis', 'whitespace-nowrap']">
-                  {{ option.label }}
-                </span>
+
+                <div :class="['col-start-2', 'min-w-0', 'flex', 'items-center', 'gap-2', 'py-1']">
+                  <slot
+                    name="option"
+                    v-bind="{ option }"
+                  >
+                    <span
+                      v-if="option.icon"
+                      :class="[
+                        'size-4 shrink-0',
+                        'text-current',
+                        option.icon,
+                      ]"
+                    />
+
+                    <div :class="['min-w-0', 'flex', 'flex-1', 'flex-col']">
+                      <span
+                        :class="[
+                          'line-clamp-1',
+                          'overflow-hidden',
+                          'text-ellipsis',
+                          'whitespace-nowrap',
+                        ]"
+                      >
+                        {{ option.label }}
+                      </span>
+
+                      <span
+                        v-if="option.description"
+                        :class="[
+                          'line-clamp-2',
+                          'text-xs',
+                          'text-neutral-500 dark:text-neutral-400',
+                        ]"
+                      >
+                        {{ option.description }}
+                      </span>
+                    </div>
+                  </slot>
+                </div>
               </ComboboxItem>
             </ComboboxGroup>
           </template>
diff --git a/packages/ui/src/components/form/field/field-combobox.vue b/packages/ui/src/components/form/field/field-combobox.vue
index 24f3b4142..e96708bdf 100644
--- a/packages/ui/src/components/form/field/field-combobox.vue
+++ b/packages/ui/src/components/form/field/field-combobox.vue
@@ -4,11 +4,19 @@ import { ComboboxSelect } from '../combobox-select'
 const props = withDefaults(defineProps<{
   label: string
   description?: string
-  options?: { label: string, value: string | number }[]
+  options?: {
+    label: string
+    value: string | number
+    description?: string
+    disabled?: boolean
+    icon?: string
+  }[]
   placeholder?: string
   disabled?: boolean
   layout?: 'horizontal' | 'vertical'
   selectClass?: string | string[]
+  contentMinWidth?: string | number
+  contentWidth?: string | number
 }>(), {
   layout: 'horizontal',
 })
@@ -27,7 +35,7 @@ const modelValue = defineModel<string>({ required: false })
       <div
         :class="[
           'w-full',
-          props.layout === 'horizontal' ? 'col-span-3' : 'row-span-2',
+          props.layout === 'horizontal' ? 'col-span-2' : 'row-span-2',
         ]"
       >
         <div :class="['flex', 'items-center', 'gap-1', 'break-words', 'text-sm', 'font-medium', 'text-left']">
@@ -47,16 +55,31 @@ const modelValue = defineModel<string>({ required: false })
           :options="props.options?.filter(option => option.label && option.value) || []"
           :placeholder="props.placeholder"
           :disabled="props.disabled"
+          :content-min-width="props.contentMinWidth"
+          :content-width="props.contentWidth"
           :title="label"
           :class="[
             ...(props.selectClass
               ? (typeof props.selectClass === 'string' ? [props.selectClass] : props.selectClass)
               : []),
-            props.layout === 'horizontal' ? 'col-span-1' : 'row-span-2',
+            props.layout === 'horizontal' ? 'col-span-2' : 'row-span-2',
           ]"
         >
-          <template #default="{ value }">
-            {{ props.options?.find(option => option.value === value)?.label || props.placeholder }}
+          <template
+            v-if="$slots.option"
+            #option="{ option }"
+          >
+            <slot
+              name="option"
+              v-bind="{ option }"
+            />
+          </template>
+
+          <template
+            v-if="$slots.empty"
+            #empty
+          >
+            <slot name="empty" />
           </template>
         </ComboboxSelect>
       </slot>