diff --git a/packages/opendesign/src/dialog/style/media.scss b/packages/opendesign/src/dialog/style/media.scss
index 8fc2231447b76625e6c79fca235bebe5f925e26f..1cab5aeb27e4f2315e6923f2c3ca9e202b8ae580 100644
--- a/packages/opendesign/src/dialog/style/media.scss
+++ b/packages/opendesign/src/dialog/style/media.scss
@@ -122,6 +122,7 @@
 
     --dlg-edge-gap: 16px;
     --dlg-inner-gap: 12px;
+    --dlg-header-gap: 12px;
   }
   @include respond-to('pad_h') {
     --dlg-width: 50%;
diff --git a/packages/opendesign/src/dialog/style/style.scss b/packages/opendesign/src/dialog/style/style.scss
index 97152bed2a523b340ff1343f3ad7ef6b6e520171..b57340c0cc70a153ce325e72e96d92107b82aa76 100644
--- a/packages/opendesign/src/dialog/style/style.scss
+++ b/packages/opendesign/src/dialog/style/style.scss
@@ -57,7 +57,7 @@
   overflow: visible;
   min-height: 0;
 
-  .o-scrollbar {
+  > .o-scrollbar {
     --scrollbar-y-right: calc(-1 * var(--dlg-edge-gap));
   }
 }
diff --git a/packages/opendesign/src/input/__demo__/InputAutoWidth.vue b/packages/opendesign/src/input/__demo__/InputAutoWidth.vue
index fc7a9df3975fb948918bde37ba1776d40d3339b0..b05fb2b01e3ea06f1a05ed36f66ca3b8a77030ca 100644
--- a/packages/opendesign/src/input/__demo__/InputAutoWidth.vue
+++ b/packages/opendesign/src/input/__demo__/InputAutoWidth.vue
@@ -21,7 +21,7 @@ const format = (v: string) => {
     min-width: 200px:
     <section>
       <div>
-        <OInput v-model="val2" auto-width style="min-width: 200px" />
+        <OInput v-model="val2" auto-width style="min-width: 200px" :max-length="50" />
       </div>
     </section>
   </div>
diff --git a/packages/opendesign/src/input/__demo__/InputBasic.vue b/packages/opendesign/src/input/__demo__/InputBasic.vue
index d857bb079c8febc7b731337df4982cdfb87ed8e4..d0fc49d21f3d57386dc560c0f46e7594d833849d 100644
--- a/packages/opendesign/src/input/__demo__/InputBasic.vue
+++ b/packages/opendesign/src/input/__demo__/InputBasic.vue
@@ -21,9 +21,9 @@ const check = (val: string) => Boolean(Number(val) % 2);
     <div>
       <div class="row">
         <p>text:</p>
-        <OInput v-model="val1" :max-length="5" :min-length="2" class="abc" />
+        <OInput v-model="val1" :max-length="5" :min-length="2" class="abc" style="width: 200px" />
         <p>password:</p>
-        <OInput v-model="val3" type="password" disabled />
+        <OInput v-model="val3" type="password" disabled style="width: 300px" />
       </div>
     </div>
   </section>
diff --git a/packages/opendesign/src/input/style/style.scss b/packages/opendesign/src/input/style/style.scss
index f7a2eb552f0fdc343f16e9019761e6775f6a1b7e..2b5c5c854c39320013f28095743b2aec0b61df9e 100644
--- a/packages/opendesign/src/input/style/style.scss
+++ b/packages/opendesign/src/input/style/style.scss
@@ -4,3 +4,6 @@
 .o-input {
   display: inline-flex;
 }
+.o-input-wrap {
+  width: 100%;
+}
diff --git a/packages/opendesign/src/scrollbar/OScrollbar.vue b/packages/opendesign/src/scrollbar/OScrollbar.vue
index 5c828a9116af31058163f67c89ea8345b0a735c8..807d34b4a3daa21afd6f62ef7cc4c53a73fb7f40 100644
--- a/packages/opendesign/src/scrollbar/OScrollbar.vue
+++ b/packages/opendesign/src/scrollbar/OScrollbar.vue
@@ -315,6 +315,7 @@ defineExpose({
     class="o-scrollbar"
     ref="rootRef"
     :class="[
+      props.barClass,
       `o-scrollbar-${props.size}`,
       {
         'o-scrollbar-auto-show': props.showType === 'auto',
diff --git a/packages/opendesign/src/scrollbar/types.ts b/packages/opendesign/src/scrollbar/types.ts
index 419340e72e59117a825ada7010c84a545014aec9..b3f825505b0c44196929d00081906899e063b8ac 100644
--- a/packages/opendesign/src/scrollbar/types.ts
+++ b/packages/opendesign/src/scrollbar/types.ts
@@ -50,6 +50,13 @@ export const baseScrollarProps = {
   autoUpdateOnScrollSize: {
     type: Boolean,
   },
+
+  /**
+   * 滚动条尺寸大小
+   */
+  barClass: {
+    type: String,
+  },
 };
 export type BaseScrollerPropsT = ExtractPropTypes<typeof baseScrollarProps>;
 
diff --git a/packages/opendesign/src/select/OSelect.vue b/packages/opendesign/src/select/OSelect.vue
index 6f58c34234491dfa4e7c51c87d77c8d8c2330b7d..a6a4b1f187a6a20ae67d689ba9cd19b647ecb533 100644
--- a/packages/opendesign/src/select/OSelect.vue
+++ b/packages/opendesign/src/select/OSelect.vue
@@ -363,6 +363,7 @@ const onselectDlgOkClick = () => {
             'is-loading': props.loading,
           }"
           size="small"
+          :scrollbar="false"
           @change="onSelectDlgChange"
         >
           <template v-if="props.optionTitle" #header>
@@ -376,21 +377,23 @@ const onselectDlgOkClick = () => {
               {{ t('select.confirm') }}
             </OButton>
           </template>
-          <SelectOption
-            :size="props.size"
-            :wrap-class="props.optionWrapClass"
-            :loading="props.loading"
-            class="o-select-options-dlg"
-            :option-title="props.optionTitle"
-            :multiple="props.multiple"
-          >
-            <template v-for="name in filterSlots($slots, slot.option.names)" #[name]>
-              <slot :name="name"></slot>
-            </template>
-
-            <!-- option选项单独处理 -->
-            <template #option-target><div ref="optionsRef"></div></template>
-          </SelectOption>
+          <template #default>
+            <SelectOption
+              :size="props.size"
+              :wrap-class="props.optionWrapClass"
+              :loading="props.loading"
+              class="o-select-options-dlg"
+              :option-title="props.optionTitle"
+              :multiple="props.multiple"
+            >
+              <template v-for="name in filterSlots($slots, slot.option.names)" #[name]>
+                <slot :name="name"></slot>
+              </template>
+
+              <!-- option选项单独处理 -->
+              <template #option-target><div ref="optionsRef"></div></template>
+            </SelectOption>
+          </template>
         </ODialog>
       </template>
       <template v-else>
@@ -411,7 +414,7 @@ const onselectDlgOkClick = () => {
           :before-hide="props.beforeOptionsHide"
           @change="onOptionVisibleChange"
         >
-          <SelectOption :size="props.size" :wrap-class="props.optionWrapClass" :loading="props.loading" :multiple="props.multiple" :scrollbar="true">
+          <SelectOption :size="props.size" :wrap-class="props.optionWrapClass" :loading="props.loading" :multiple="props.multiple">
             <template v-for="name in filterSlots($slots, slot.option.names)" #[name]>
               <slot :name="name"></slot>
             </template>
diff --git a/packages/opendesign/src/select/SelectOption.vue b/packages/opendesign/src/select/SelectOption.vue
index 41f295660131d7ce0abd6d5d151801713acd86ad..bb8fdad82313523941dc4a2d8e402b62b69d82df 100644
--- a/packages/opendesign/src/select/SelectOption.vue
+++ b/packages/opendesign/src/select/SelectOption.vue
@@ -4,7 +4,6 @@ import { IconLoading } from '../_utils/icons';
 import { OOptionList } from '../option';
 import type { SizeT } from '../_utils/types';
 import slot from './slot';
-import { BaseScrollerPropsT } from '../scrollbar';
 
 interface OptionPropT {
   size?: SizeT;
@@ -12,12 +11,13 @@ interface OptionPropT {
   loading?: boolean;
   optionTitle?: string;
   multiple?: boolean;
-  // 是否使用scrollbar
-  scrollbar?: boolean | Partial<BaseScrollerPropsT>;
 }
-const props = withDefaults(defineProps<OptionPropT>(), {
-  scrollbar: true,
-});
+const props = defineProps<OptionPropT>();
+const scrollbarCfg = {
+  barClass: 'o-select-options-scrollbar',
+  size: 'small',
+  showType: 'hover',
+};
 </script>
 <template>
   <div
@@ -29,7 +29,7 @@ const props = withDefaults(defineProps<OptionPropT>(), {
       },
     ]"
   >
-    <OOptionList :wrap-class="props.wrapClass" :scrollbar="props.scrollbar">
+    <OOptionList :wrap-class="props.wrapClass" :scrollbar="scrollbarCfg">
       <div v-if="props.loading" class="o-select-options-loading">
         <IconLoading class="o-rotating" />
       </div>
diff --git a/packages/opendesign/src/select/style/style.scss b/packages/opendesign/src/select/style/style.scss
index ada2eceaa2fedf9c309bcfe4b6f378a3cec5aa37..722570920e42579c757569eb5ac2d69f85bc8647 100644
--- a/packages/opendesign/src/select/style/style.scss
+++ b/packages/opendesign/src/select/style/style.scss
@@ -135,9 +135,6 @@
   }
 }
 
-.o-select-options {
-  overflow: hidden;
-}
 .o-select-option-wrap {
   max-height: var(--option-list-max-height, var(--option-list-max-height-default));
 }
@@ -162,9 +159,12 @@
 .o-select-actions {
   border-top: 1px solid var(--o-color-control4);
 }
+
 // <=pad
 .o-select-options-dlg {
-  padding-bottom: 4px;
+  .o-select-options-scrollbar {
+    --scrollbar-y-right: calc(-1 * var(--dlg-edge-gap));
+  }
 }
 
 // 多选
diff --git a/packages/opendesign/src/select/style/var.scss b/packages/opendesign/src/select/style/var.scss
index f30ad438a36fd39ef32913839f26e3113b2eb01c..d57e4c11e96b8b2d0a16af82090fa261754ad6e6 100644
--- a/packages/opendesign/src/select/style/var.scss
+++ b/packages/opendesign/src/select/style/var.scss
@@ -193,4 +193,5 @@
 .o-select-dlg {
   --dlg-radius: var(--o-radius_control-s);
   --dlg-body-padding: 16px 24px;
+  --option-list-padding: 0;
 }