diff --git a/packages/editor/src/components/CompareForm.vue b/packages/editor/src/components/CompareForm.vue
index 56569926..d825c014 100644
--- a/packages/editor/src/components/CompareForm.vue
+++ b/packages/editor/src/components/CompareForm.vue
@@ -13,6 +13,7 @@
       :extend-state="mergedExtendState"
       :show-diff="showDiff"
       :self-diff-field-types="selfDiffFieldTypes"
+      :size="size"
     ></MForm>
   </div>
 </template>
@@ -22,6 +23,7 @@ import { computed, inject, provide, type Ref, ref, type ShallowRef, useTemplateR
 import { isEqual } from 'lodash-es';
 
 import { type CodeBlockContent, type DataSourceSchema, HookType, type MNode } from '@tmagic/core';
+import { type FieldSize } from '@tmagic/design';
 import { type FormConfig, type FormState, type FormValue, MForm } from '@tmagic/form';
 
 import type { CompareCategory, CompareFormLoadConfig, Services } from '@editor/type';
@@ -68,6 +70,11 @@ const props = withDefaults(
     baseFormState?: FormState;
     /** 需要走 self diff 的字段类型（例如 mod-cond）。 */
     selfDiffFieldTypes?: string[];
+    /**
+     * 表单内组件的尺寸（透传给 MForm 的 `size`），可选 'large' | 'default' | 'small'。
+     * 缺省时使用 MForm 内置默认尺寸。
+     */
+    size?: FieldSize;
     /**
      * 自定义 FormConfig 加载逻辑。传入后将接管内置的按 `category`(node/data-source/code-block)
      * 取配置逻辑，调用方可根据业务自行返回（或异步返回）表单配置。可通过
diff --git a/packages/editor/src/layouts/history-list/HistoryDiffDialog.vue b/packages/editor/src/layouts/history-list/HistoryDiffDialog.vue
index c2b38fbf..8d89ae45 100644
--- a/packages/editor/src/layouts/history-list/HistoryDiffDialog.vue
+++ b/packages/editor/src/layouts/history-list/HistoryDiffDialog.vue
@@ -48,6 +48,7 @@
         :load-config="loadConfig"
         :self-diff-field-types="selfDiffFieldTypes"
         :services="props.services"
+        :size="props.size"
         height="70vh"
       />
 
@@ -77,7 +78,14 @@
 import { computed, ref, watch } from 'vue';
 import { isEqual } from 'lodash-es';
 
-import { TMagicButton, TMagicDialog, TMagicRadioButton, TMagicRadioGroup, TMagicTag } from '@tmagic/design';
+import {
+  type FieldSize,
+  TMagicButton,
+  TMagicDialog,
+  TMagicRadioButton,
+  TMagicRadioGroup,
+  TMagicTag,
+} from '@tmagic/design';
 import type { FormState } from '@tmagic/form';
 
 import CompareForm from '@editor/components/CompareForm.vue';
@@ -104,6 +112,8 @@ const props = withDefaults(
      */
     loadConfig?: CompareFormLoadConfig;
     width?: string;
+    /** 差异对比表单内组件的尺寸（透传给 CompareForm 的 `size`），可选 'large' | 'default' | 'small'。 */
+    size?: FieldSize;
     isConfirm?: boolean;
     onConfirm?: () => void;
     selfDiffFieldTypes?: string[];
diff --git a/packages/editor/src/layouts/history-list/useHistoryRevert.ts b/packages/editor/src/layouts/history-list/useHistoryRevert.ts
index 6c241298..fffbb13e 100644
--- a/packages/editor/src/layouts/history-list/useHistoryRevert.ts
+++ b/packages/editor/src/layouts/history-list/useHistoryRevert.ts
@@ -95,6 +95,7 @@ const mountHistoryDiffDialog = async (
     selfDiffFieldTypes: options.selfDiffFieldTypes,
     compareFormState: options.compareFormState,
     width: options.width,
+    size: options.size ?? options.services?.uiService?.get('propsPanelSize'),
     onClose: options.onClose,
   });
   if (options.appContext) {
@@ -223,6 +224,7 @@ export const useHistoryRevert = (options: UseHistoryRevertOptions = {}, services
         services,
         ...extra,
         width: extra?.width ?? dialogWidth,
+        size: extra?.size,
       });
     }
     return confirmRevert();
@@ -382,6 +384,7 @@ export const useHistoryRevert = (options: UseHistoryRevertOptions = {}, services
       loadConfig: revertOptions.loadConfig,
       selfDiffFieldTypes: revertOptions.selfDiffFieldTypes,
       width: revertOptions.width,
+      size: revertOptions.size,
     });
     if (!confirmed) return null;
     return await revertOptions.revert();
@@ -399,6 +402,7 @@ export const useHistoryRevert = (options: UseHistoryRevertOptions = {}, services
         services,
         ...extra,
         width: extra?.width ?? dialogWidth,
+        size: extra?.size,
       });
   };
 
diff --git a/packages/editor/src/type.ts b/packages/editor/src/type.ts
index 38e7263d..0d302bd7 100644
--- a/packages/editor/src/type.ts
+++ b/packages/editor/src/type.ts
@@ -33,6 +33,7 @@ import type {
   MPage,
   MPageFragment,
 } from '@tmagic/core';
+import type { FieldSize } from '@tmagic/design';
 import type { ChangeRecord, FormConfig, FormState, TableColumnConfig, TypeFunction } from '@tmagic/form';
 import type StageCore from '@tmagic/stage';
 import type {
@@ -1453,6 +1454,11 @@ export interface CustomDiffFormOptions {
    * 如 `'1200px'` / `'80%'`。缺省时使用弹窗内置默认宽度（900px）。
    */
   width?: string;
+  /**
+   * 差异 / 确认回滚弹窗内 form 表单的尺寸（透传给 CompareForm 的 `size`），
+   * 可选 `'large' | 'default' | 'small'`，缺省时使用表单内置默认尺寸。
+   */
+  size?: FieldSize;
 }
 
 /**