diff --git a/interfaces/kits/picker/picker.js b/interfaces/kits/picker/picker.js
index 52951f6f4c4ef5f4d6c9013196211cb40cd8451d..be202dd2beeaa9635789b3f8b458626d6d244853 100644
--- a/interfaces/kits/picker/picker.js
+++ b/interfaces/kits/picker/picker.js
@@ -450,7 +450,8 @@ function getAudioPickerSelectResult(args) {
 function getDocumentPickerSaveResult(args) {
   let saveResult = {
     error: undefined,
-    data: undefined
+    data: undefined,
+    suffix: -1
   };
   if (args === undefined || args.resultCode === undefined) {
     saveResult.error = getErr(ErrCode.RESULT_ERROR);
@@ -461,6 +462,9 @@ function getDocumentPickerSaveResult(args) {
     if (args.ability_params_stream) {
       saveResult.data = args.ability_params_stream;
       saveResult.error = args.resultCode;
+      if (args.userSuffixIndex) {
+        saveResult.suffix = args.userSuffixIndex;
+      }
     }
   } else if (args.resultCode === RESULT_CODE_ERROR) {
     saveResult.data = [];
@@ -538,9 +542,17 @@ async function documentPickerSave(...args) {
 
   documentSaveResult = await modalPicker(documentSaveContext, documentSaveConfig, documentSaveWindow);
   saveResult = getDocumentPickerSaveResult(documentSaveResult);
+  this.suffixIndex = saveResult.suffix;
   return sendResult(args, saveResult);
 }
 
+function getSelectedSuffixIndex() {
+  console.log('[picker] Get Selected Suffix Index start');
+  let index = this.suffixIndex;
+  this.suffixIndex = -1;
+  console.log('[picker] Get Selected Suffix Index end: ' + index);
+  return index;
+}
 async function sendResult(args, result) {
   try {
     if (result === undefined) {
@@ -668,6 +680,8 @@ function DocumentViewPicker(...args) {
   this.save = documentPickerSave;
   this.context = ParseContext(args);
   this.window = parseWindow(args);
+  this.getSelectedIndex = getSelectedSuffixIndex;
+  this.suffixIndex = -1;
 }
 
 function AudioViewPicker(...args) {
@@ -677,6 +691,7 @@ function AudioViewPicker(...args) {
 }
 
 export default {
+  getSelectedSuffixIndex,
   startModalPicker,
   ExtTypes : ExtTypes,
   PickerDetailType: PickerDetailType,
diff --git a/interfaces/kits/picker/src/picker_n_exporter.cpp b/interfaces/kits/picker/src/picker_n_exporter.cpp
index 92100f00f97a9de624b736eec11aecf029ef6dd9..b84c617fe1c24be99ad23bdcb41444d62fafff71 100644
--- a/interfaces/kits/picker/src/picker_n_exporter.cpp
+++ b/interfaces/kits/picker/src/picker_n_exporter.cpp
@@ -84,6 +84,22 @@ static void MakeResultWithArr(napi_env env, std::string key, napi_value &result,
     }
 }
 
+static void MakeResultWithInt(napi_env env, std::string key, napi_value &result,
+    std::shared_ptr<PickerCallBack> pickerCallBack)
+{
+    napi_status status = napi_generic_failure;
+    if (pickerCallBack->want.GetParams().HasParam(key.c_str())) {
+        const int32_t suffixindex = pickerCallBack->want.GetIntParam(key.c_str(), -1);
+        HILOG_INFO("Modal picker: %{public}s is %{public}d ", key.c_str(), suffixindex);
+        napi_value suffix = nullptr;
+        napi_create_int32(env, suffixindex, &suffix);
+        status = napi_set_named_property(env, result, key.c_str(), suffix);
+        if (status != napi_ok) {
+            HILOG_ERROR("Modal picker: napi_set_named_property suffix failed");
+        }
+    }
+}
+
 static void MakeResultWithBool(napi_env env, std::string key, napi_value &result,
     std::shared_ptr<PickerCallBack> pickerCallBack)
 {
@@ -122,6 +138,7 @@ static napi_value MakeResultWithPickerCallBack(napi_env env, std::shared_ptr<Pic
     MakeResultWithArr(env, "uriArr", result, pickerCallBack);
     MakeResultWithArr(env, "select-item-list", result, pickerCallBack);
     MakeResultWithBool(env, "isOriginal", result, pickerCallBack);
+    MakeResultWithInt(env, "userSuffixIndex", result, pickerCallBack);
     return result;
 }