diff --git a/api/arkui/RenderNode.static.d.ets b/api/arkui/RenderNode.static.d.ets
index 6bd6560309568fe98a7b2f1b4d4fafdd2ae220f1..0f8ba9ca3f2f77b069efc1a336a89e4f7953cecc 100644
--- a/api/arkui/RenderNode.static.d.ets
+++ b/api/arkui/RenderNode.static.d.ets
@@ -433,11 +433,11 @@ export declare class RenderNode {
   /**
    * Get border style of the RenderNode.
    *
-   * @returns { Edges<BorderStyle> } - Returns the border style of the RenderNode.
+   * @returns { Edges<BorderStyle> | undefined } - Returns the border style of the RenderNode.
    * @syscap SystemCapability.ArkUI.ArkUI.Full
    * @since 20
    */
-  get borderStyle(): Edges<BorderStyle>;
+  get borderStyle(): Edges<BorderStyle> | undefined;
 
   /**
    * Set border width of the RenderNode.
@@ -451,12 +451,12 @@ export declare class RenderNode {
   /**
    * Get border width of the RenderNode.
    *
-   * @returns { Edges<number> } - Returns the border width of the RenderNode.
+   * @returns { Edges<number> | undefined } - Returns the border width of the RenderNode.
    * @default 0
    * @syscap SystemCapability.ArkUI.ArkUI.Full
    * @since 20
    */
-  get borderWidth(): Edges<number>;
+  get borderWidth(): Edges<number> | undefined;
 
   /**
    * Set border color of the RenderNode.
@@ -470,12 +470,11 @@ export declare class RenderNode {
   /**
    * Get border color of the RenderNode.
    *
-   * @returns { Edges<number> } - Returns the border color of the RenderNode.
-   * @default 0XFF000000
+   * @returns { Edges<number> | undefined } - Returns the border color of the RenderNode.
    * @syscap SystemCapability.ArkUI.ArkUI.Full
    * @since 20
    */
-  get borderColor(): Edges<number>;
+  get borderColor(): Edges<number> | undefined;
 
   /**
    * Set border radius of the RenderNode.
@@ -489,7 +488,7 @@ export declare class RenderNode {
   /**
    * Get border radius of the RenderNode.
    *
-   * @returns { NodeBorderRadiuses } - Returns the border radius of the RenderNode.
+   * @returns { NodeBorderRadiuses | undefined } - Returns the border radius of the RenderNode.
    * @default 0
    * @syscap SystemCapability.ArkUI.ArkUI.Full
    * @since 20
@@ -508,11 +507,11 @@ export declare class RenderNode {
   /**
    * Get shape mask of the RenderNode.
    *
-   * @returns { ShapeMask } - Returns the shape mask of the RenderNode.
+   * @returns { ShapeMask | undefined } - Returns the shape mask of the RenderNode.
    * @syscap SystemCapability.ArkUI.ArkUI.Full
    * @since 20
    */
-  get shapeMask(): ShapeMask;
+  get shapeMask(): ShapeMask | undefined;
 
   /**
    * Set shape clip of the RenderNode.