diff --git a/test/unittest/external_notify_extend_test.cpp b/test/unittest/external_notify_extend_test.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1a39d7544c8b064183b65cbc3dfd02d32f818c5e
--- /dev/null
+++ b/test/unittest/external_notify_extend_test.cpp
@@ -0,0 +1,945 @@
+/*
+ * 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
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cstdio>
+#include <thread>
+#include <unistd.h>
+
+#include <gtest/gtest.h>
+#include <nlohmann/json.hpp>
+
+#include "accesstoken_kit.h"
+#include "context_impl.h"
+#include "file_access_framework_errno.h"
+#include "file_access_observer_common.h"
+#include "iservice_registry.h"
+#include "iobserver_callback.h"
+#include "nativetoken_kit.h"
+#include "observer_callback_stub.h"
+#include "token_setproc.h"
+#include "file_access_helper.h"
+
+namespace {
+using namespace std;
+using namespace OHOS;
+using namespace FileAccessFwk;
+using json = nlohmann::json;
+const int ABILITY_ID = 5003;
+const int INIT_THREADS_NUMBER = 4;
+shared_ptr<FileAccessHelper> g_fah = nullptr;
+int g_notifyEvent = -1;
+int g_notifyFlag = -1;
+string g_notifyUri = "";
+vector<string> g_notifyUris;
+const int SLEEP_TIME = 600 * 1000;
+const int UID_TRANSFORM_TMP = 20000000;
+const int UID_DEFAULT = 0;
+const uint64_t SYSTEM_APP_MASK =  (static_cast<uint64_t>(1) << 32); // 1: Base number, 32: Left shifted bit numbers
+
+shared_ptr<OHOS::AbilityRuntime::Context> g_context = nullptr;
+
+void SetNativeToken()
+{
+    uint64_t tokenId;
+    const char *perms[] = {
+        "ohos.permission.FILE_ACCESS_MANAGER",
+        "ohos.permission.GET_BUNDLE_INFO_PRIVILEGED",
+        "ohos.permission.CONNECT_FILE_ACCESS_EXTENSION"
+    };
+    NativeTokenInfoParams infoInstance = {
+        .dcapsNum = 0,
+        .permsNum = 3,
+        .aclsNum = 0,
+        .dcaps = nullptr,
+        .perms = perms,
+        .acls = nullptr,
+        .aplStr = "system_core",
+    };
+
+    infoInstance.processName = "SetUpTestCase";
+    tokenId = GetAccessTokenId(&infoInstance);
+    const uint64_t systemAppMask = (static_cast<uint64_t>(1) << 32);
+    tokenId |= systemAppMask;
+    SetSelfTokenID(tokenId);
+    OHOS::Security::AccessToken::AccessTokenKit::ReloadNativeTokenInfo();
+}
+
+void SetNativeToken(const char* processName, const char*perms[], int32_t permsNum)
+{
+    uint64_t tokenId;
+    NativeTokenInfoParams infoInstance = {
+        .dcapsNum = 0,
+        .permsNum = permsNum,
+        .aclsNum = 0,
+        .dcaps = nullptr,
+        .perms = perms,
+        .acls = nullptr,
+        .aplStr = "system_core",
+    };
+    tokenId = GetAccessTokenId(&infoInstance);
+    const uint64_t systemAppMask = SYSTEM_APP_MASK;
+    tokenId |= systemAppMask;
+    SetSelfTokenID(tokenId);
+    OHOS::Security::AccessToken::AccessTokenKit::ReloadNativeTokenInfo();
+}
+
+class FileExtensionNotifyTest : public testing::Test {
+public:
+    static void SetUpTestCase(void)
+    {
+        cout << "FileExtensionNotifyTest code test" << endl;
+        SetNativeToken();
+        auto saManager = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
+        if (saManager == nullptr) {
+            return;
+        }
+        auto remoteObj = saManager->GetSystemAbility(ABILITY_ID);
+        g_context = make_shared<OHOS::AbilityRuntime::ContextImpl>();
+        g_context->SetToken(remoteObj);
+        AAFwk::Want want;
+        vector<AAFwk::Want> wantVec;
+        setuid(UID_TRANSFORM_TMP);
+        int ret = FileAccessHelper::GetRegisteredFileAccessExtAbilityInfo(wantVec);
+        EXPECT_EQ(ret, OHOS::FileAccessFwk::ERR_OK);
+        bool sus = false;
+        for (size_t i = 0; i < wantVec.size(); i++) {
+            auto element = wantVec[i].GetElement();
+            if (element.GetBundleName() == "com.ohos.UserFile.ExternalFileManager" &&
+                element.GetAbilityName() == "FileExtensionAbility") {
+                want = wantVec[i];
+                sus = true;
+                break;
+            }
+        }
+        EXPECT_TRUE(sus);
+        vector<AAFwk::Want> wants{want};
+        g_fah = FileAccessHelper::Creator(remoteObj, wants);
+        if (g_fah == nullptr) {
+            GTEST_LOG_(ERROR) << "external_file_access_test g_fah is nullptr";
+            exit(1);
+        }
+        setuid(UID_DEFAULT);
+    }
+    static void TearDownTestCase()
+    {
+        if (g_fah) {
+            g_fah->Release();
+        }
+        g_fah = nullptr;
+    };
+    void SetUp(){};
+    void TearDown(){};
+};
+
+class MyObserver : public ObserverCallbackStub {
+public:
+    MyObserver() {};
+    virtual ~MyObserver() = default;
+    void OnChange(NotifyMessage &notifyMessage) override;
+};
+
+void MyObserver::OnChange(NotifyMessage &notifyMessage)
+{
+    g_notifyEvent = static_cast<int>(notifyMessage.notifyType_);
+    std::string notifyUri = notifyMessage.uris_[0];
+    g_notifyUri = notifyUri;
+    GTEST_LOG_(INFO) << "enter notify uri =" + notifyUri + " type =" + std::to_string(g_notifyEvent) +" uri size" +
+        std::to_string(notifyMessage.uris_.size());
+}
+
+class TestObserver : public ObserverCallbackStub {
+public:
+    TestObserver() {};
+    virtual ~TestObserver() = default;
+    void OnChange(NotifyMessage &notifyMessage) override;
+};
+
+void TestObserver::OnChange(NotifyMessage &notifyMessage)
+{
+    g_notifyFlag = static_cast<int>(notifyMessage.notifyType_);
+    std::string notifyUri = notifyMessage.uris_[0];
+    g_notifyUris = notifyMessage.uris_;
+    GTEST_LOG_(INFO) << "enter TestObserver uri =" + notifyUri + "type =" + std::to_string(g_notifyFlag);
+}
+
+static tuple<Uri, Uri, Uri, Uri> ReadyRegisterNotify00(Uri& parentUri,
+                                                       sptr<IFileAccessObserver>& myObserver1,
+                                                       sptr<IFileAccessObserver>& myObserver2,
+                                                       sptr<IFileAccessObserver>& myObserver3,
+                                                       sptr<IFileAccessObserver>& myObserver4)
+{
+    bool notifyForDescendants = false;
+    Uri newDirUriTest1("");
+    EXPECT_NE(g_fah, nullptr);
+    int result = g_fah->Mkdir(parentUri, "uri_dir1", newDirUriTest1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri newDirUriTest2("");
+    result = g_fah->Mkdir(parentUri, "uri_dir2", newDirUriTest2);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri newFileUri1("");
+    result = g_fah->CreateFile(parentUri, "uri_file1", newFileUri1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    GTEST_LOG_(INFO) <<  newFileUri1.ToString();
+    Uri newFileUri2("");
+    result = g_fah->CreateFile(parentUri, "uri_file2", newFileUri2);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+
+    result = g_fah->RegisterNotify(newDirUriTest1, true, myObserver1);
+    EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+    result = g_fah->RegisterNotify(newDirUriTest2, notifyForDescendants, myObserver2);
+    EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+    result = g_fah->RegisterNotify(newFileUri1, notifyForDescendants, myObserver3);
+    EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+    result = g_fah->RegisterNotify(newFileUri2, notifyForDescendants, myObserver4);
+    EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+
+    return {newDirUriTest1, newDirUriTest2, newFileUri1, newFileUri2};
+}
+
+static tuple<Uri, Uri> TriggerNotify00(Uri& newDirUriTest1, Uri& newDirUriTest2, Uri& newFileUri1, Uri& newFileUri2)
+{
+    Uri testUri("");
+    EXPECT_NE(g_fah, nullptr);
+    int result = g_fah->CreateFile(newDirUriTest1, "testUri", testUri);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    EXPECT_EQ(g_notifyEvent, ADD_EVENT);
+    EXPECT_EQ(g_notifyUri, testUri.ToString());
+    Uri renameDirUri1("");
+    result = g_fah->Rename(newDirUriTest1, "testDir", renameDirUri1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+    EXPECT_EQ(g_notifyUri, newDirUriTest1.ToString());
+    result = g_fah->Delete(newDirUriTest2);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+    EXPECT_EQ(g_notifyUri, newDirUriTest2.ToString());
+
+    Uri renameUri1("");
+    result = g_fah->Rename(newFileUri1, "renameUri1", renameUri1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+    EXPECT_EQ(g_notifyUri, newFileUri1.ToString());
+    result = g_fah->Delete(newFileUri2);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+    EXPECT_EQ(g_notifyUri, newFileUri2.ToString());
+
+    return {renameDirUri1, renameUri1};
+}
+
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0000
+ * @tc.name: external_file_access_notify_0000
+ * @tc.desc: Test function of RegisterNotify and UnregisterNotify interface for SUCCESS.
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_0000, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_0000";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        sptr<IFileAccessObserver> myObserver1 = sptr(new (std::nothrow) MyObserver());
+        sptr<IFileAccessObserver> myObserver2 = sptr(new (std::nothrow) MyObserver());
+        sptr<IFileAccessObserver> myObserver3 = sptr(new (std::nothrow) MyObserver());
+        sptr<IFileAccessObserver> myObserver4 = sptr(new (std::nothrow) MyObserver());
+        Uri parentUri(info[0].uri);
+        auto [newDirUriTest1, newDirUriTest2, newFileUri1, newFileUri2] =
+            ReadyRegisterNotify00(parentUri, myObserver1, myObserver2, myObserver3, myObserver4);
+
+        auto [renameDirUri1, renameUri1] = TriggerNotify00(newDirUriTest1, newDirUriTest2, newFileUri1, newFileUri2);
+
+        sleep(1);
+        result = g_fah->UnregisterNotify(newDirUriTest1, myObserver1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newDirUriTest2, myObserver2);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri1, myObserver3);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri2, myObserver4);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(renameDirUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(renameUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_0000 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_0000";
+}
+
+static tuple<Uri, Uri, Uri> ReadyRegisterNotify01(Uri& parentUri, sptr<IFileAccessObserver> myObserver1,
+    sptr<IFileAccessObserver> myObserver2, sptr<IFileAccessObserver> myObserver3)
+{
+    bool notifyForDescendants1 = true;
+    bool notifyForDescendants2 = false;
+    Uri newFileUri1("");
+    EXPECT_NE(g_fah, nullptr);
+    int result = g_fah->CreateFile(parentUri, "uri_file1", newFileUri1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri newFileUri2("");
+    result = g_fah->CreateFile(parentUri, "uri_file2", newFileUri2);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri newFileUri3("");
+    result = g_fah->CreateFile(parentUri, "uri_file3", newFileUri3);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+
+    result = g_fah->RegisterNotify(newFileUri1, notifyForDescendants1, myObserver1);
+    EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+    result = g_fah->RegisterNotify(newFileUri2, notifyForDescendants1, myObserver2);
+    EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+    result = g_fah->RegisterNotify(newFileUri3, notifyForDescendants2, myObserver3);
+    EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+    return {newFileUri1, newFileUri2, newFileUri3};
+}
+
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0001
+ * @tc.name: external_file_access_notify_0001
+ * @tc.desc: Test function of RegisterNotify and UnregisterNotify interface for SUCCESS.
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_0001, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_0001";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+
+        sptr<IFileAccessObserver> myObserver1 = sptr(new (std::nothrow) MyObserver());
+        sptr<IFileAccessObserver> myObserver2 = sptr(new (std::nothrow) MyObserver());
+        sptr<IFileAccessObserver> myObserver3 = sptr(new (std::nothrow) MyObserver());
+        Uri parentUri(info[0].uri);
+        auto [newFileUri1, newFileUri2, newFileUri3] =
+            ReadyRegisterNotify01(parentUri, myObserver1, myObserver2, myObserver3);
+
+        Uri renameFileUri1("");
+        result = g_fah->Rename(newFileUri1, "renamefile", renameFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        usleep(SLEEP_TIME);
+        EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+        EXPECT_EQ(g_notifyUri, newFileUri1.ToString());
+
+        result = g_fah->Delete(newFileUri2);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        usleep(SLEEP_TIME);
+        EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+        EXPECT_EQ(g_notifyUri, newFileUri2.ToString());
+        result = g_fah->Delete(newFileUri3);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        usleep(SLEEP_TIME);
+        EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+        EXPECT_EQ(g_notifyUri, newFileUri3.ToString());
+
+        sleep(1);
+        result = g_fah->UnregisterNotify(newFileUri1, myObserver1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri2, myObserver2);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri3, myObserver3);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(renameFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_0001 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_0001";
+}
+
+static tuple<Uri, Uri, Uri, Uri> ReadyRegisterNotify02(Uri& parentUri)
+{
+    Uri newDirUriTest1("");
+    EXPECT_NE(g_fah, nullptr);
+    int result = g_fah->Mkdir(parentUri, "uri_dir1", newDirUriTest1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri newDirUriTest2("");
+    result = g_fah->Mkdir(parentUri, "uri_dir2", newDirUriTest2);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri newFileUri1("");
+    result = g_fah->CreateFile(parentUri, "uri_file1", newFileUri1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri newFileUri2("");
+    result = g_fah->CreateFile(parentUri, "uri_file2", newFileUri2);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+
+    return {newDirUriTest1, newDirUriTest2, newFileUri1, newFileUri2};
+}
+
+static tuple<Uri, Uri> TriggerNotify02(Uri& newDirUriTest1, Uri& newDirUriTest2, Uri& newFileUri1, Uri& newFileUri2)
+{
+    const int tm = 2;
+    Uri testFile("");
+    EXPECT_NE(g_fah, nullptr);
+    int result = g_fah->CreateFile(newDirUriTest1, "test_file", testFile);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    Uri renameDirUri1("");
+    result = g_fah->Rename(newDirUriTest1, "renameDir", renameDirUri1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+    EXPECT_EQ(g_notifyUri, newDirUriTest1.ToString());
+    result = g_fah->Delete(newDirUriTest2);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+    EXPECT_EQ(g_notifyUri, newDirUriTest2.ToString());
+    Uri renameFileUri1("");
+    result = g_fah->Rename(newFileUri1, "renamefile", renameFileUri1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+    EXPECT_EQ(g_notifyUri, newFileUri1.ToString());
+    result = g_fah->Delete(newFileUri2);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+    EXPECT_EQ(g_notifyUri, newFileUri2.ToString());
+    sleep(tm);
+    return {renameDirUri1, renameFileUri1};
+}
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0002
+ * @tc.name: external_file_access_notify_0002
+ * @tc.desc: Test function of RegisterNotify and UnregisterNotify interface for SUCCESS.
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_0002, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_0002";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        bool notifyForDescendants = true;
+        vector<sptr<IFileAccessObserver>> observers;
+        const int len = 12;
+        const int group = 3;
+        for (int i = 0; i < len; i++) {
+            observers.emplace_back(new (std::nothrow) MyObserver());
+        }
+        Uri parentUri(info[0].uri);
+        auto [newDirUriTest1, newDirUriTest2, newFileUri1, newFileUri2] = ReadyRegisterNotify02(parentUri);
+
+        for (int i = 0; i < group; i++) {
+            result = g_fah->RegisterNotify(newDirUriTest1, notifyForDescendants, observers[i]);
+            EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+            result = g_fah->RegisterNotify(newDirUriTest2, notifyForDescendants, observers[3 + i]);
+            EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+            result = g_fah->RegisterNotify(newFileUri1, notifyForDescendants, observers[6 + i]);
+            EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+            result = g_fah->RegisterNotify(newFileUri2, notifyForDescendants, observers[9 + i]);
+            EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+        }
+
+        auto [renameDirUri1, renameFileUri1] =
+            TriggerNotify02(newDirUriTest1, newDirUriTest2, newFileUri1, newFileUri2);
+
+        for (int i = 0; i < group; i++) {
+            result = g_fah->UnregisterNotify(newDirUriTest1, observers[i]);
+            EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+            result = g_fah->UnregisterNotify(newDirUriTest2, observers[3 + i]);
+            EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+            result = g_fah->UnregisterNotify(newFileUri1, observers[6 + i]);
+            EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+            result = g_fah->UnregisterNotify(newFileUri2, observers[9 + i]);
+            EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+        }
+        result = g_fah->Delete(renameDirUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(renameFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_0002 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_0002";
+}
+
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0003
+ * @tc.name: external_file_access_notify_0003
+ * @tc.desc: Test function of RegisterNotify and UnregisterNotify interface for SUCCESS.
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_0003, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_0003";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        bool notifyForDescendants = true;
+        sptr<IFileAccessObserver> myObserver1 = sptr(new (std::nothrow) MyObserver());
+        sptr<IFileAccessObserver> myObserver2 = sptr(new (std::nothrow) MyObserver());
+        Uri parentUri(info[0].uri);
+        Uri newDirUriTest1("");
+        result = g_fah->Mkdir(parentUri, "uri_dir1", newDirUriTest1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        Uri newFileUri1("");
+        result = g_fah->CreateFile(parentUri, "uri_file1", newFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->RegisterNotify(newDirUriTest1, notifyForDescendants, myObserver1);
+        EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->RegisterNotify(newDirUriTest1, notifyForDescendants, myObserver1);
+        EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+
+        result = g_fah->RegisterNotify(newFileUri1, notifyForDescendants, myObserver2);
+        EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->RegisterNotify(newFileUri1, notifyForDescendants, myObserver2);
+        EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newDirUriTest1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(newDirUriTest1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(newFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_0003 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_0003";
+}
+
+static tuple<Uri, Uri, Uri, Uri> ReadyRegisterNotify05(Uri& parentUri, sptr<IFileAccessObserver>& myObserver1)
+{
+    bool notifyForDescendants = true;
+    Uri uri_dir("");
+    EXPECT_NE(g_fah, nullptr);
+    int result = g_fah->Mkdir(parentUri, "uri_dir123", uri_dir);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri uri_dirSub1("");
+    result = g_fah->Mkdir(uri_dir, "uri_dirSub1", uri_dirSub1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    result = g_fah->RegisterNotify(uri_dir, notifyForDescendants, myObserver1);
+    EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+    result = g_fah->RegisterNotify(uri_dirSub1, notifyForDescendants, myObserver1);
+    EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri uri_dirSub2("");
+    result = g_fah->Mkdir(uri_dir, "uri_dirSub2", uri_dirSub2);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    EXPECT_EQ(g_notifyEvent, ADD_EVENT);
+    EXPECT_EQ(g_notifyUri, uri_dirSub2.ToString());
+    result = g_fah->RegisterNotify(uri_dirSub2, notifyForDescendants, myObserver1);
+    EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri renameDirUri1("");
+    result = g_fah->Rename(uri_dirSub2, "renameDir1", renameDirUri1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    return {uri_dir, uri_dirSub1, uri_dirSub2, renameDirUri1};
+}
+
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0005
+ * @tc.name: external_file_access_notify_0005
+ * @tc.desc: Test function of RegisterNotify and UnregisterNotify interface for SUCCESS.
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_0005, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_0005";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        sptr<IFileAccessObserver> myObserver1 = sptr(new (std::nothrow) MyObserver());
+        Uri parentUri(info[0].uri);
+        auto [uri_dir, uri_dirSub1, uri_dirSub2, renameDirUri1] = ReadyRegisterNotify05(parentUri, myObserver1);
+        if (g_notifyEvent != MOVED_TO) {
+            if (g_notifyEvent != MOVED_SELF) {
+                EXPECT_EQ(g_notifyEvent, MOVED_FROM);
+                EXPECT_EQ(g_notifyUri, uri_dirSub2.ToString());
+            } else {
+                EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+                EXPECT_EQ(g_notifyUri, uri_dirSub2.ToString());
+            }
+        } else {
+            EXPECT_EQ(g_notifyEvent, MOVED_TO);
+            EXPECT_EQ(g_notifyUri, renameDirUri1.ToString());
+        }
+        result = g_fah->Delete(uri_dirSub1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        usleep(SLEEP_TIME);
+        EXPECT_TRUE(g_notifyEvent == MOVED_FROM || g_notifyEvent == MOVED_SELF);
+        EXPECT_EQ(g_notifyUri, uri_dirSub1.ToString());
+        result = g_fah->UnregisterNotify(uri_dir, myObserver1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(renameDirUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(uri_dir);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        sleep(1);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_0005 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_0005";
+}
+
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0006
+ * @tc.name: external_file_access_notify_0006
+ * @tc.desc: Duplicate UnregisterNotify failed.
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_0006, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_0006";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        bool notifyForDescendants = true;
+        sptr<IFileAccessObserver> myObserver1 = sptr(new (std::nothrow) MyObserver());
+        Uri parentUri(info[0].uri);
+        Uri newFileUri1("");
+        result = g_fah->CreateFile(parentUri, "uri_file", newFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->RegisterNotify(newFileUri1, notifyForDescendants, myObserver1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(newFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        usleep(SLEEP_TIME);
+        EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+        EXPECT_EQ(g_notifyUri, newFileUri1.ToString());
+        sleep(1);
+        result = g_fah->UnregisterNotify(newFileUri1, myObserver1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri1, myObserver1);
+        EXPECT_NE(result, OHOS::FileAccessFwk::ERR_OK);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_0006 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_0006";
+}
+
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0007
+ * @tc.name: external_file_access_notify_0007
+ * @tc.desc: Test function of RegisterNotify and UnregisterNotify failed when callback is Invalid.
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_0007, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_0007";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        sptr<IFileAccessObserver> myObserver1 = nullptr;
+        bool notifyForDescendants = true;
+        Uri parentUri(info[0].uri);
+        Uri newFileUri1("");
+        result = g_fah->CreateFile(parentUri, "uri_file007", newFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->RegisterNotify(newFileUri1, notifyForDescendants, myObserver1);
+        EXPECT_NE(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri1, myObserver1);
+        EXPECT_NE(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(newFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_0007 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_0007";
+}
+
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0008
+ * @tc.name: external_file_access_notify_0008
+ * @tc.desc: Test function of UnregisterNotify failed when uri is Invalid.
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_0008, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_0008";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        sptr<IFileAccessObserver> myObserver1 = sptr(new (std::nothrow) MyObserver());
+        Uri newFileUri1("*/&%");
+        bool notifyForDescendants = true;
+        result = g_fah->RegisterNotify(newFileUri1, notifyForDescendants, myObserver1);
+        EXPECT_NE(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri1, myObserver1);
+        EXPECT_NE(result, OHOS::FileAccessFwk::ERR_OK);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_0008 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_0008";
+}
+
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0009
+ * @tc.name: external_file_access_notify_0009
+ * @tc.desc: Test function of RegisterNotify and UnregisterNotify interface for SUCCESS when the file is Chinese name.
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_0009, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_0009";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        bool notifyForDescendants = true;
+        sptr<IFileAccessObserver> myObserver1 = sptr(new (std::nothrow) MyObserver());
+        Uri parentUri(info[0].uri);
+        Uri newFileUri1("");
+        result = g_fah->CreateFile(parentUri, "测试文件", newFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->RegisterNotify(newFileUri1, notifyForDescendants, myObserver1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(newFileUri1);
+        usleep(SLEEP_TIME);
+        EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+        EXPECT_EQ(g_notifyUri, newFileUri1.ToString());
+        sleep(1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri1, myObserver1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_0009 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_0009";
+}
+
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0010
+ * @tc.name: external_file_access_notify_0010
+ * @tc.desc: Test function of UnregisterNotify interface for failed when the Uri and callback do not match.
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_0010, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_0010";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        bool notifyForDescendants = true;
+        sptr<IFileAccessObserver> myObserver1 = sptr(new (std::nothrow) MyObserver());
+        sptr<IFileAccessObserver> myObserver2 = sptr(new (std::nothrow) MyObserver());
+        Uri parentUri(info[0].uri);
+        Uri newFileUri1("");
+        result = g_fah->CreateFile(parentUri, "uri_file1", newFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        Uri newFileUri2("");
+        result = g_fah->CreateFile(parentUri, "uri_file2", newFileUri2);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->RegisterNotify(newFileUri1, notifyForDescendants, myObserver1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->RegisterNotify(newFileUri2, notifyForDescendants, myObserver2);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+
+        result = g_fah->UnregisterNotify(newFileUri1, myObserver2);
+        EXPECT_NE(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri1, myObserver1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri2, myObserver2);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(newFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(newFileUri2);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_0010 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_0010";
+}
+
+static tuple<Uri, Uri> ReadyRegisterNotify11(Uri& parentUri, Uri &newFileDir1, sptr<IFileAccessObserver>& myObserver1,
+    sptr<IFileAccessObserver>& myObserver2)
+{
+    const int tm = SLEEP_TIME * 2;
+    bool notifyForDescendants1 = true;
+    EXPECT_NE(g_fah, nullptr);
+    int result = g_fah->Mkdir(parentUri, "uri_dir11", newFileDir1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri newFileUri1("");
+    result = g_fah->CreateFile(newFileDir1, "uri_file11", newFileUri1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    sleep(1);
+    result = g_fah->RegisterNotify(newFileDir1, notifyForDescendants1, myObserver1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    result = g_fah->RegisterNotify(newFileUri1, notifyForDescendants1, myObserver2);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    Uri renameFileUri1("");
+    result = g_fah->Rename(newFileUri1, "renamefile1", renameFileUri1);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(tm);
+
+    return {newFileUri1, renameFileUri1};
+}
+
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0011
+ * @tc.name: external_file_access_notify_0011
+ * @tc.desc: Test function of RegisterNotify interface for SUCCESS when set the notifyForDescendants to true and
+ * @tc.desc: then set to false
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_0011, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_0011";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        bool notifyForDescendants2 = false;
+        sptr<IFileAccessObserver> myObserver1 = sptr(new (std::nothrow) TestObserver());
+        sptr<IFileAccessObserver> myObserver2 = sptr(new (std::nothrow) MyObserver());
+        Uri parentUri(info[0].uri);
+        Uri newFileDir1("");
+        auto [newFileUri1, renameFileUri1] =
+            ReadyRegisterNotify11(parentUri, newFileDir1, myObserver1, myObserver2);
+        usleep(SLEEP_TIME * 2);
+        if (g_notifyEvent != MOVED_TO) {
+            if (g_notifyEvent != MOVED_SELF) {
+                EXPECT_EQ(g_notifyEvent, MOVED_FROM);
+                EXPECT_EQ(g_notifyUri, newFileUri1.ToString());
+            } else {
+                EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+                EXPECT_EQ(g_notifyUri, newFileUri1.ToString());
+            }
+        } else {
+            EXPECT_EQ(g_notifyEvent, MOVED_TO);
+            EXPECT_EQ(g_notifyUri, renameFileUri1.ToString());
+        }
+        result = g_fah->RegisterNotify(newFileDir1, notifyForDescendants2, myObserver1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        sleep(2);
+        result = g_fah->Delete(renameFileUri1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        usleep(SLEEP_TIME);
+        EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+        EXPECT_EQ(g_notifyUri, newFileUri1.ToString());
+        EXPECT_NE(g_notifyFlag, MOVED_SELF);
+
+        sleep(1);
+        result = g_fah->UnregisterNotify(newFileDir1, myObserver1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->UnregisterNotify(newFileUri1, myObserver2);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        result = g_fah->Delete(newFileDir1);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_0011 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_0011";
+}
+
+static void RegisterDirNotify(Uri parentUri, std::string dirName, IFileAccessObserver *observer)
+{
+    Uri newDirUriTest("");
+    bool notifyForDescendants = true;
+    EXPECT_NE(g_fah, nullptr);
+    int result = g_fah->Mkdir(parentUri, dirName, newDirUriTest);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    sptr<IFileAccessObserver> myObserver(observer);
+    result = g_fah->RegisterNotify(newDirUriTest, notifyForDescendants, myObserver);
+    EXPECT_GE(result, OHOS::FileAccessFwk::ERR_OK);
+    result = g_fah->Delete(newDirUriTest);
+    EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    usleep(SLEEP_TIME);
+    EXPECT_EQ(g_notifyEvent, MOVED_SELF);
+    EXPECT_EQ(g_notifyUri, newDirUriTest.ToString());
+    sleep(2);
+    g_fah->UnregisterNotify(newDirUriTest, myObserver);
+}
+
+/**
+ * @tc.number: user_file_service_external_file_access_notify_0012
+ * @tc.name: external_file_access_notify_0012
+ * @tc.desc: Test function of RegisterNotify and UnregisterNotify interface for SUCCESS which Concurrent.
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: SR000H0386
+ */
+HWTEST_F(FileExtensionNotifyTest, external_file_access_notify_00012, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-begin external_file_access_notify_00012";
+    try {
+        vector<RootInfo> info;
+        EXPECT_NE(g_fah, nullptr);
+        int result = g_fah->GetRoots(info);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        Uri parentUri(info[0].uri);
+        Uri newFileUri1("");
+        GTEST_LOG_(INFO) << parentUri.ToString();
+        sptr<IFileAccessObserver> myObserver1 = sptr(new (std::nothrow) MyObserver());
+        for (int i = 0; i < INIT_THREADS_NUMBER; i++) {
+            std::thread execthread1(RegisterDirNotify, parentUri, "WatcherTest", myObserver1.GetRefPtr());
+            execthread1.join();
+        }
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "external_file_access_notify_00012 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileExtensionNotifyTest-end external_file_access_notify_00012";
+}
+} // namespace
\ No newline at end of file