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..67fd28ec26c338f97c2522aa2b78a304d1d4c896 100644
--- a/tests/unittests/backup_api/backup_impl/BUILD.gn
+++ b/tests/unittests/backup_api/backup_impl/BUILD.gn
@@ -86,6 +86,5 @@ group("backup_impl_test") {
 
   deps = [
     ":b_file_info_test",
-    ":backup_sa_impl_test",
   ]
 }
diff --git a/tests/unittests/backup_sa/module_ipc/BUILD.gn b/tests/unittests/backup_sa/module_ipc/BUILD.gn
index 849e366f535a4eaa952b3a764014a2ae686f0c1a..7e9efc0860167b1d045e103e5a7e4cb22349091e 100644
--- a/tests/unittests/backup_sa/module_ipc/BUILD.gn
+++ b/tests/unittests/backup_sa/module_ipc/BUILD.gn
@@ -58,6 +58,7 @@ ohos_unittest("backup_service_test") {
 
   sources = [
     "${path_backup_mock}/accesstoken/accesstoken_kit_mock.cpp",
+    "${path_backup_mock}/timer/timer_mock.cpp",
     "${path_backup}/services/backup_sa/src/module_app_gallery/app_gallery_dispose_proxy.cpp",
     "${path_backup}/services/backup_sa/src/module_ipc/service.cpp",
     "${path_backup}/services/backup_sa/src/module_ipc/svc_restore_deps_manager.cpp",
@@ -96,6 +97,12 @@ ohos_unittest("backup_service_test") {
     "storage_service:storage_manager_sa_proxy",
   ]
 
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   use_exceptions = true
 }
 
@@ -248,6 +255,5 @@ group("backup_sa_ipc_test") {
     ":backup_service_scheduler_test",
     ":backup_service_session_test",
     ":backup_service_test",
-    ":module_ipc_test",
   ]
 }