diff --git a/api/@ohos.fileio.d.ts b/api/@ohos.fileio.d.ts
index 40ce3da3425c0705464b0d39feeaeacac509c57d..efbd394805a8da349ba0f90e99754b2d476a7cde 100644
--- a/api/@ohos.fileio.d.ts
+++ b/api/@ohos.fileio.d.ts
@@ -1172,7 +1172,7 @@ export type Filter = {
      * @since 9
      * @readonly
      */
-    displayName: Array<string>;
+    displayName?: Array<string>;
     /**
      * @type {Array<string>}
      * @syscap SystemCapability.FileManagement.File.FileIO
@@ -1180,7 +1180,7 @@ export type Filter = {
      * @since 9
      * @readonly
      */
-    mimeType: Array<string>;
+    mimeType?: Array<string>;
     /**
      * @type {number}
      * @syscap SystemCapability.FileManagement.File.FileIO
@@ -1188,7 +1188,7 @@ export type Filter = {
      * @since 9
      * @readonly
      */
-    fileSizeOver: number;
+    fileSizeOver?: number;
     /**
      * @type {number}
      * @syscap SystemCapability.FileManagement.File.FileIO
@@ -1196,7 +1196,7 @@ export type Filter = {
      * @since 9
      * @readonly
      */
-    lastModifiedAfter: number;
+    lastModifiedAfter?: number;
     /**
      * @type {boolean}
      * @syscap SystemCapability.FileManagement.File.FileIO
@@ -1204,7 +1204,7 @@ export type Filter = {
      * @since 9
      * @readonly
      */
-    excludeMedia: boolean;
+    excludeMedia?: boolean;
 }
 
 /**