diff --git a/interfaces/inner_api/file_access/src/js_file_access_ext_ability.cpp b/interfaces/inner_api/file_access/src/js_file_access_ext_ability.cpp
index 0af42686c445c7b9b7f4b49e4dd53f5acfeaedad..6f44736cfba2e51e0193247600d3169a20906dba 100644
--- a/interfaces/inner_api/file_access/src/js_file_access_ext_ability.cpp
+++ b/interfaces/inner_api/file_access/src/js_file_access_ext_ability.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Copyright (c) 2022-2024 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
@@ -1227,9 +1227,6 @@ bool JsFileAccessExtAbility::ParserGetRootsJsResult(napi_env &env, napi_value na
         return false;
     }
 
-    std::string deviceType;
-    bool deviceResult = GetDeviceType(deviceType);
-    HILOG_INFO("deviceType: %{public}s", deviceType.c_str());
     for (uint32_t i = 0; i < length; i++) {
         napi_value nativeRootInfo = nullptr;
         napi_get_element(env, nativeArray, i, &nativeRootInfo);
@@ -1244,7 +1241,7 @@ bool JsFileAccessExtAbility::ParserGetRootsJsResult(napi_env &env, napi_value na
             return false;
         }
 
-        if (deviceResult && deviceType == "2in1") {
+        if (IsFullMountEnable()) {
             ChangeCurrentDir(rootInfo);
         }
         result.data.emplace_back(std::move(rootInfo));
diff --git a/interfaces/kits/native/recent/recent_n_exporter.cpp b/interfaces/kits/native/recent/recent_n_exporter.cpp
index 38f725b778ca1a17aeba9826224c03974d9af65f..492066dc7694517278c49dcfc72f8e2ed1f08055 100644
--- a/interfaces/kits/native/recent/recent_n_exporter.cpp
+++ b/interfaces/kits/native/recent/recent_n_exporter.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023 Huawei Device Co., Ltd.
+ * Copyright (c) 2023-2024 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
@@ -324,7 +324,7 @@ void RecentNExporter::InitRecentPath()
         }
         RecentNExporter::recentPath_ = "/storage/Users/currentUser/.Recent/";
         std::string deviceType;
-        if (GetDeviceType(deviceType) && deviceType == "2in1") {
+        if (IsFullMountEnable()) {
             std::string userName;
             if (GetUserName(userName) && userName != "") {
                 RecentNExporter::recentPath_ = "/storage/Users/" + userName + "/.Recent/";
diff --git a/interfaces/kits/native/trash/src/file_trash_n_exporter.cpp b/interfaces/kits/native/trash/src/file_trash_n_exporter.cpp
index 2f932adf794bc359e0048cfc47d9ff2de4aa9d1d..6f10cbadc02a2ca9578a8faf9f07961c9069d058 100644
--- a/interfaces/kits/native/trash/src/file_trash_n_exporter.cpp
+++ b/interfaces/kits/native/trash/src/file_trash_n_exporter.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023 Huawei Device Co., Ltd.
+ * Copyright (c) 2023-2024 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
@@ -697,7 +697,7 @@ void FileTrashNExporter::InitTrashPath()
         }
         FileTrashNExporter::trashPath_ = "/storage/Users/currentUser/.Trash";
         std::string deviceType;
-        if (GetDeviceType(deviceType) && deviceType == "2in1") {
+        if (IsFullMountEnable()) {
             std::string userName;
             if (GetUserName(userName) && userName != "") {
                 FileTrashNExporter::trashPath_ = "/storage/Users/" + userName + "/.Trash";
diff --git a/test/fuzztest/useraccesscommonutils_fuzzer/useraccesscommonutils_fuzzer.cpp b/test/fuzztest/useraccesscommonutils_fuzzer/useraccesscommonutils_fuzzer.cpp
index 9aa5e94c344a045499bdcf43af482b5607b6123f..cf7f7ea144e10c50ffe79e5d220afb326e16ba65 100644
--- a/test/fuzztest/useraccesscommonutils_fuzzer/useraccesscommonutils_fuzzer.cpp
+++ b/test/fuzztest/useraccesscommonutils_fuzzer/useraccesscommonutils_fuzzer.cpp
@@ -23,10 +23,9 @@ namespace OHOS {
 using namespace std;
 using namespace FileAccessFwk;
 
-bool GetDeviceTypeFuzzTest(const uint8_t *data, size_t size)
+bool IsFullMountFuzzTest(const uint8_t *data, size_t size)
 {
-    string deviceType;
-    GetDeviceType(deviceType);
+    IsFullMountEnable();
     return true;
 }
 
@@ -42,7 +41,7 @@ bool GetUserNameFuzzTest(const uint8_t *data, size_t size)
 /* Fuzzer entry point */
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 {
-    OHOS::GetDeviceTypeFuzzTest(data, size);
+    OHOS::IsFullMountFuzzTest(data, size);
     OHOS::GetUserNameFuzzTest(data, size);
 
     return 0;
diff --git a/utils/user_access_common_utils.h b/utils/user_access_common_utils.h
index 3ccd64737d9f8aa38f6754ab9ede7b762360eaf4..076d2f0bb8c04a56e416a2a95ee2c9d6e49b3e12 100644
--- a/utils/user_access_common_utils.h
+++ b/utils/user_access_common_utils.h
@@ -21,17 +21,18 @@
 
 namespace OHOS {
 namespace FileAccessFwk {
+const std::string FULL_MOUNT_ENABLE_PARAMETER = "const.filemanager.full_mount.enable";
 
-static bool GetDeviceType(std::string &deviceType)
+static bool IsFullMountEnable()
 {
-    char deviceTypeChar[PARAM_CONST_VALUE_LEN_MAX];
-    int32_t ret = GetParameter("const.product.devicetype", "0", deviceTypeChar, PARAM_CONST_VALUE_LEN_MAX);
-    if (ret < 0) {
-        HILOG_ERROR("Get deviceType fail. %{public}d", ret);
-        return false;
+    char value[] = "false";
+    int ret = GetParameter(FULL_MOUNT_ENABLE_PARAMETER.c_str(), "false", value, sizeof(value));
+    if ((ret > 0) && (std::string(value) == "true")) {
+        HILOG_INFO("Supporting all mounts");
+        return true;
     }
-    deviceType = deviceTypeChar;
-    return true;
+    HILOG_INFO("Not supporting all mounts");
+    return false;
 }
 
 static bool GetUserName(std::string &userName)