diff --git a/cfi_blocklist.txt b/cfi_blocklist.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3472a91fe29c4eed9d69f24e954189592374f8a
--- /dev/null
+++ b/cfi_blocklist.txt
@@ -0,0 +1,33 @@
+# Copyright (C) 2022-2023 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.
+
+[cfi]
+type:*OHOS::Parcel*
+type:*OHOS::RefBase*
+type:*OHOS::MessageParcel*
+type:*OHOS::IRemoteObject*
+type:*OHOS::IRemoteBroker*
+type:*OHOS::IRemoteProxy*
+type:*OHOS::BrokerRegistration*
+type:*OHOS::BrokerDelegator*
+type:*OHOS::BrokerCreator*
+type:*OHOS::ISystemAbilityManager*
+type:*OHOS::ThreadPool*
+type:*OHOS::IPCSkeleton*
+type:*OHOS::Security::AccessToken::AccessTokenKit*
+type:*OHOS::AAFwk::SystemAbilityManagerClient*
+type:*OHOS::SystemAbility*
+type:*OHOS::AppExecFwk*
+type:*OHOS::AAFwk::AbilityConnectionStub*
+src:*third_party/googletest/googlemock/include/gmock/*
+src:*third_party/googletest/googletest/include/gtest/*
\ No newline at end of file
diff --git a/services/backup_sa/src/module_ipc/svc_backup_connection.cpp b/services/backup_sa/src/module_ipc/svc_backup_connection.cpp
index 4da0013a62d861206b00f93f6127185f819632c2..c11b00efbe87abe0972ae02a761614468d24e77b 100644
--- a/services/backup_sa/src/module_ipc/svc_backup_connection.cpp
+++ b/services/backup_sa/src/module_ipc/svc_backup_connection.cpp
@@ -33,7 +33,7 @@ void SvcBackupConnection::OnAbilityConnectDone(const AppExecFwk::ElementName &el
         HILOGE("Failed to ability connect done, remote is nullptr");
         return;
     }
-    backupProxy_ = iface_cast<SvcExtensionProxy>(remoteObject);
+    backupProxy_ = iface_cast<IExtension>(remoteObject);
     if (backupProxy_ == nullptr) {
         HILOGE("Failed to ability connect done, backupProxy_ is nullptr");
         return;
diff --git a/tests/mock/module_ipc/app_gallery_dispose_proxy_mock.cpp b/tests/mock/module_ipc/app_gallery_dispose_proxy_mock.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..ca6ce6a2b7e11cfd5a49f7080a3dec499b23e8d4
--- /dev/null
+++ b/tests/mock/module_ipc/app_gallery_dispose_proxy_mock.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2023 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 "module_app_gallery/app_gallery_dispose_proxy.h"
+
+#include <string>
+#include <gtest/gtest.h>
+
+#include "message_parcel.h"
+#include "want.h"
+
+#include "module_app_gallery/app_gallery_service_connection.h"
+
+namespace OHOS::FileManagement::Backup {
+using namespace std;
+
+AppGalleryDisposeProxy::AppGalleryDisposeProxy()
+{
+    GTEST_LOG_(INFO) << "AppGalleryDisposeProxy is OK";
+}
+
+AppGalleryDisposeProxy::~AppGalleryDisposeProxy()
+{
+    GTEST_LOG_(INFO) << "~AppGalleryDisposeProxy is OK";
+}
+
+sptr<AppGalleryDisposeProxy> AppGalleryDisposeProxy::GetInstance()
+{
+    return new AppGalleryDisposeProxy;
+}
+
+DisposeErr AppGalleryDisposeProxy::StartBackup(const std::string &bundleName)
+{
+    return DoDispose(bundleName, DisposeOperation::START_BACKUP);
+}
+
+DisposeErr AppGalleryDisposeProxy::EndBackup(const std::string &bundleName)
+{
+    return DoDispose(bundleName, DisposeOperation::END_BACKUP);
+}
+
+DisposeErr AppGalleryDisposeProxy::StartRestore(const std::string &bundleName)
+{
+    return DoDispose(bundleName, DisposeOperation::START_RESTORE);
+}
+
+DisposeErr AppGalleryDisposeProxy::EndRestore(const std::string &bundleName)
+{
+    return DoDispose(bundleName, DisposeOperation::END_RESTORE);
+}
+
+DisposeErr AppGalleryDisposeProxy::DoDispose(const std::string &bundleName, DisposeOperation disposeOperation)
+{
+    return DisposeErr::OK;
+}
+
+} // namespace OHOS::FileManagement::Backup
diff --git a/tests/mock/module_ipc/svc_backup_connection_mock.cpp b/tests/mock/module_ipc/svc_backup_connection_mock.cpp
index ead43d40dc5d45dee8cf1813ce6a912e52befaca..68cbd81b83a2ca244d83e9363c3ca3c52e441da9 100644
--- a/tests/mock/module_ipc/svc_backup_connection_mock.cpp
+++ b/tests/mock/module_ipc/svc_backup_connection_mock.cpp
@@ -32,7 +32,7 @@ void SvcBackupConnection::OnAbilityConnectDone(const AppExecFwk::ElementName &el
                                                int resultCode)
 {
     isConnected_.store(true);
-    backupProxy_ = iface_cast<SvcExtensionProxy>(remoteObject);
+    backupProxy_ = iface_cast<IExtension>(remoteObject);
     string bundleName = "";
     callConnDone_(move(bundleName));
 }
diff --git a/tests/unittests/backup_api/backup_impl/BUILD.gn b/tests/unittests/backup_api/backup_impl/BUILD.gn
index 478b257385da8d135f602df1103ec7f0c89b7ede..5f28f599ae17e10316bf72ad5ecb9b85cfcdff18 100644
--- a/tests/unittests/backup_api/backup_impl/BUILD.gn
+++ b/tests/unittests/backup_api/backup_impl/BUILD.gn
@@ -76,6 +76,7 @@ ohos_unittest("backup_sa_impl_test") {
     cfi = true
     cfi_cross_dso = true
     debug = false
+    blocklist = "${path_backup}/cfi_blocklist.txt"
   }
 
   use_exceptions = true
diff --git a/tests/unittests/backup_sa/module_ipc/BUILD.gn b/tests/unittests/backup_sa/module_ipc/BUILD.gn
index 849e366f535a4eaa952b3a764014a2ae686f0c1a..fa9f7762e399834d446187e54994db395dba8cee 100644
--- a/tests/unittests/backup_sa/module_ipc/BUILD.gn
+++ b/tests/unittests/backup_sa/module_ipc/BUILD.gn
@@ -18,6 +18,7 @@ ohos_unittest("module_ipc_test") {
   module_out_path = path_module_out_tests
 
   sources = [
+    "${path_backup_mock}/timer/timer_mock.cpp",
     "service_reverse_proxy_test.cpp",
     "service_stub_test.cpp",
     "svc_backup_connection_test.cpp",
@@ -50,6 +51,13 @@ ohos_unittest("module_ipc_test") {
     "storage_service:storage_manager_sa_proxy",
   ]
 
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+    blocklist = "${path_backup}/cfi_blocklist.txt"
+  }
+
   use_exceptions = true
 }
 
@@ -58,7 +66,8 @@ ohos_unittest("backup_service_test") {
 
   sources = [
     "${path_backup_mock}/accesstoken/accesstoken_kit_mock.cpp",
-    "${path_backup}/services/backup_sa/src/module_app_gallery/app_gallery_dispose_proxy.cpp",
+    "${path_backup_mock}/module_ipc/app_gallery_dispose_proxy_mock.cpp",
+    "${path_backup_mock}/timer/timer_mock.cpp",
     "${path_backup}/services/backup_sa/src/module_ipc/service.cpp",
     "${path_backup}/services/backup_sa/src/module_ipc/svc_restore_deps_manager.cpp",
     "service_test.cpp",
@@ -96,6 +105,13 @@ ohos_unittest("backup_service_test") {
     "storage_service:storage_manager_sa_proxy",
   ]
 
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+    blocklist = "${path_backup}/cfi_blocklist.txt"
+  }
+
   use_exceptions = true
 }