diff --git a/api/@internal/component/ets/blank.d.ts b/api/@internal/component/ets/blank.d.ts
index 80958fccc971168677c02058b968d180706aaa06..72e36bb156a6cb230d62525ac151f81400dc385f 100644
--- a/api/@internal/component/ets/blank.d.ts
+++ b/api/@internal/component/ets/blank.d.ts
@@ -18,11 +18,6 @@
  * @kit ArkUI
  */
 
-/*** if arkts 1.2 */
-import { CommonMethod } from './common';
-import { ResourceColor } from './units';
-/*** endif */
-
 /**
  * Create Blank.
  *
@@ -47,17 +42,6 @@ import { ResourceColor } from './units';
  * @form
  * @since 10
  */
-/**
- * Create Blank.
- *
- * @interface BlankInterface
- * @syscap SystemCapability.ArkUI.ArkUI.Full
- * @crossplatform
- * @form
- * @atomicservice
- * @since arkts {'1.1':'11','1.2':'20'}
- * @arkts 1.1&1.2
- */
 interface BlankInterface {
   /**
    * The minimum size of the blank fill assembly on the container spindle.
@@ -86,18 +70,6 @@ interface BlankInterface {
    * @form
    * @since 10
    */
-  /**
-   * The minimum size of the blank fill assembly on the container spindle.
-   *
-   * @param { number | string } min
-   * @returns { BlankAttribute }
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @form
-   * @atomicservice
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   (min?: number | string): BlankAttribute;
 }
 
@@ -125,17 +97,6 @@ interface BlankInterface {
  * @form
  * @since 10
  */
-/**
- * Inheritance CommonMethod Set Styles
- *
- * @extends CommonMethod<BlankAttribute>
- * @syscap SystemCapability.ArkUI.ArkUI.Full
- * @crossplatform
- * @form
- * @atomicservice
- * @since arkts {'1.1':'11','1.2':'20'}
- * @arkts 1.1&1.2
- */
 declare class BlankAttribute extends CommonMethod<BlankAttribute> {
   /**
    * color: set color.
@@ -164,18 +125,6 @@ declare class BlankAttribute extends CommonMethod<BlankAttribute> {
    * @form
    * @since 10
    */
-  /**
-   * color: set color.
-   *
-   * @param { ResourceColor } value
-   * @returns { BlankAttribute }
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @form
-   * @atomicservice
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
   color(value: ResourceColor): BlankAttribute;
 }
 
diff --git a/api/arkui/BlankModifier.d.ts b/api/arkui/BlankModifier.d.ts
index 07af01f6727c670c3d347cb5d7873e344d9e6378..7ca466c24a8adce5e5739a47480016c02e155119 100644
--- a/api/arkui/BlankModifier.d.ts
+++ b/api/arkui/BlankModifier.d.ts
@@ -19,6 +19,11 @@
  */
 
 
+/** if arkts 1.2 */
+import { BlankAttribute } from "./component/blank";
+import { AttributeModifier } from "./component/common";
+import { ResourceColor } from "./component/units";
+/** endif */
 
 /**
  * Defines Blank Modifier
@@ -42,3 +47,88 @@ export declare class BlankModifier extends BlankAttribute implements AttributeMo
    */
   applyNormalAttribute?(instance: BlankAttribute): void;
 }
+
+/**
+ * Defines Blank Modifier
+ *
+ * @implements AttributeModifier<BlankAttribute>
+ * @syscap SystemCapability.ArkUI.ArkUI.Full
+ * @atomicservice
+ * @since 20
+ * @arkts 1.2
+*/
+export declare class BlankModifier implements AttributeModifier<BlankAttribute> {
+
+  /**
+   * Defines the normal update attribute function.
+   * 
+   * @param { BlankAttribute } instance
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  applyNormalAttribute(instance: BlankAttribute): void;
+
+  /**
+   * Defines the pressed update attribute function.
+   * 
+   * @param { BlankAttribute } instance
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  applyPressedAttribute(instance: BlankAttribute): void;
+
+  /**
+   * Defines the focused update attribute function.
+   * 
+   * @param { BlankAttribute } instance
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  applyFocusedAttribute(instance: BlankAttribute): void;
+
+  /**
+   * Defines the disabled update attribute function.
+   * 
+   * @param { BlankAttribute } instance
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  applyDisabledAttribute(instance: BlankAttribute): void;
+
+  /**
+   * Defines the selected update attribute function.
+   * 
+   * @param { BlankAttribute } instance
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  applySelectedAttribute(instance: BlankAttribute): void;
+
+  /**
+   * Defines the color value of Divider component
+   * 
+   * @param { ResourceColor | undefined } value
+   * @returns { BlankModifier }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  color(value: ResourceColor | undefined): BlankModifier;
+}
diff --git a/api/arkui/component/blank.d.ets b/api/arkui/component/blank.d.ets
new file mode 100644
index 0000000000000000000000000000000000000000..ec600e0eabd1f81ad44a427fce85cadccf3478f4
--- /dev/null
+++ b/api/arkui/component/blank.d.ets
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2021-2023 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * @file
+ * @kit ArkUI
+ * @kit 1.2
+ */
+import { CommonMethod, AttributeModifier } from "./common";
+import { ResourceColor } from "./units";
+import { memo, ComponentBuilder } from "./../stateManagement/runtime";
+export declare interface BlankAttribute extends CommonMethod {
+    /**
+     * color: set color.
+     *
+     * @param { ResourceColor } value
+     * @returns { BlankAttribute }
+     * @syscap SystemCapability.ArkUI.ArkUI.Full
+     * @crossplatform
+     * @form
+     * @atomicservice
+     * @since 20
+     */
+    color(value: ResourceColor | undefined): this;
+    @memo
+    attributeModifier<T>(value: AttributeModifier<T>): this;
+}
+
+@memo
+@ComponentBuilder
+export declare function Blank(
+    min?: number | string, 
+    @memo
+    content_?: () => void,
+): BlankAttribute
\ No newline at end of file