diff --git a/packages/file_selector/file_selector_ohos/ohos/FileSelector/src/main/ets/file_selector/FIleSelectorUtil.ets b/packages/file_selector/file_selector_ohos/ohos/FileSelector/src/main/ets/file_selector/FIleSelectorUtil.ets
index 5e90de0a282170ee3f05fdc537427a97a6567e31..2079acd6d8af556a1990935638fe593ac10d9ee9 100644
--- a/packages/file_selector/file_selector_ohos/ohos/FileSelector/src/main/ets/file_selector/FIleSelectorUtil.ets
+++ b/packages/file_selector/file_selector_ohos/ohos/FileSelector/src/main/ets/file_selector/FIleSelectorUtil.ets
@@ -105,7 +105,6 @@ export async function documentPickerSelect(option: picker.DocumentSelectOptions,
     action: 'ohos.want.action.OPEN_FILE',
     parameters: {
       startMode: 'choose',
-      key_pick_num: 5,
       key_file_suffix_filter: [".txt", ".json"],
       key_pick_dir_path: ''
 
diff --git a/packages/file_selector/file_selector_ohos/ohos/FileSelector/src/main/ets/file_selector/FileSelectorApiImpl.ets b/packages/file_selector/file_selector_ohos/ohos/FileSelector/src/main/ets/file_selector/FileSelectorApiImpl.ets
index 331e2670324a128a72ecb9dfcb010c27ac9c6cad..9c07e19c2abd3c92d87f459ecd0a4a9103b19dfc 100644
--- a/packages/file_selector/file_selector_ohos/ohos/FileSelector/src/main/ets/file_selector/FileSelectorApiImpl.ets
+++ b/packages/file_selector/file_selector_ohos/ohos/FileSelector/src/main/ets/file_selector/FileSelectorApiImpl.ets
@@ -73,7 +73,6 @@ export class FileSelectorApiImpl {
     Log.d(TAG, 'openFiles types:' + allowedTypes.extensions + ' dir:' + initialDirectory)
     try {
       let documentSelectOptions = new picker.DocumentSelectOptions();
-      documentSelectOptions.maxSelectNumber = 5;
       documentSelectOptions.defaultFilePathUri = initialDirectory;
       documentSelectOptions.fileSuffixFilters = allowedTypes.extensions;
       documentPickerSelect(documentSelectOptions, this.getContext()).then((documentPickerResult: ESObject) => {