diff --git a/frameworks/js/napi/client/cfi_blocklist.txt b/frameworks/js/napi/client/cfi_blocklist.txt
index ccd00cd0418ee79e2cd07cd9c256d6f6b9260942..e206899d4a21ecbe633d721c766a9b4fe381493e 100644
--- a/frameworks/js/napi/client/cfi_blocklist.txt
+++ b/frameworks/js/napi/client/cfi_blocklist.txt
@@ -12,4 +12,18 @@
 # limitations under the License.
 
 [cfi]
-src:*session_manager.cpp
\ No newline at end of file
+type:*OHOS::UpdateEngine::IUpdater*
+type:*OHOS::UpdateEngine::BaseSession*
+type:*OHOS::UpdateEngine::BaseUpdateSession*
+type:*OHOS::UpdateEngine::BaseMigratePromiseSession*
+type:*OHOS::UpdateEngine::UpdateAsyncession*
+type:*OHOS::UpdateEngine::BaseAsyncSession*
+type:*OHOS::UpdateEngine::NapiSession*
+type:*OHOS::UpdateEngine::BasePromiseSession*
+type:*OHOS::UpdateEngine::BaseMigratePromiseSession*
+src:*iupdater.cpp
+src:*update_client.cpp
+src:*update_session.cpp
+src:*session_manager.cpp
+src:*update_moudle.cpp
+src:*napi_session.cpp
\ No newline at end of file
diff --git a/services/engine/BUILD.gn b/services/engine/BUILD.gn
index 1e3264592ef6a422702fdc2d6ca0ed926e3ac528..5729a8633738f44f60cbffaf3f3fded74a006f60 100644
--- a/services/engine/BUILD.gn
+++ b/services/engine/BUILD.gn
@@ -29,6 +29,14 @@ ohos_prebuilt_etc("updater_sa.cfg") {
 }
 
 ohos_shared_library("$updateengine_library_name") {
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+    blocklist = "./cfi_blocklist.txt"
+  }
+  branch_protector_ret = "pac_ret"
+
   shlib_type = "sa"
   include_dirs = sa_include_dirs
   sources = sa_sources
diff --git a/services/engine/cfi_blocklist.txt b/services/engine/cfi_blocklist.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4b0667797473a146b56d5f173e3fe78165d806d0
--- /dev/null
+++ b/services/engine/cfi_blocklist.txt
@@ -0,0 +1,15 @@
+# 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]
+src:*progress_thread.cpp
\ No newline at end of file