diff --git a/qos/BUILD.gn b/qos/BUILD.gn
index 0bb66046f005b46d23a4ab731d74b30e99c63dcd..c7906838423de1c3ebec18b4efa6b8cdf40989ae 100644
--- a/qos/BUILD.gn
+++ b/qos/BUILD.gn
@@ -23,6 +23,13 @@ config("qos_config") {
 }
 
 ohos_shared_library("qos") {
+  branch_protector_ret = "pac_ret"
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+
   public_configs = [ ":qos_config" ]
   sources = [
     "../services/src/qos_interface.cpp",