diff --git a/state_manager/service/native/src/display_power_mgr_service.cpp b/state_manager/service/native/src/display_power_mgr_service.cpp
index a9a32ff3edf79bf149143b24270604e6f5274fca..4ce303453953797c3908c295107939660fffb315 100644
--- a/state_manager/service/native/src/display_power_mgr_service.cpp
+++ b/state_manager/service/native/src/display_power_mgr_service.cpp
@@ -194,6 +194,9 @@ void DisplayPowerMgrService::AutoBrightnessSettingUpdateFunc(const std::string&
 
 bool DisplayPowerMgrService::SetScreenOnBrightness()
 {
+    if (!Permission::IsSystem()) {
+        return false;
+    }
     BrightnessManager::Get().SetScreenOnBrightness();
     return true;
 }