diff --git a/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_controller.cpp b/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_controller.cpp
index 33ffeda2660e743acfc96265e52844119ef11465..43db05305aad6ba44b5660b3489631ae32b12f43 100644
--- a/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_controller.cpp
+++ b/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_controller.cpp
@@ -459,7 +459,7 @@ DCameraSinkController::DCameraSinkContrEventHandler::DCameraSinkContrEventHandle
 
 void DCameraSinkController::DCameraSinkContrEventHandler::ProcessEvent(const AppExecFwk::InnerEvent::Pointer &event)
 {
-    CHECK_AND_RETURN_LOG(event, "event is nullptr.");
+    CHECK_AND_RETURN_LOG(event == nullptr, "event is nullptr.");
     uint32_t eventId = event->GetInnerEventId();
     auto sinkContr = sinkContrWPtr_.lock();
     if (sinkContr == nullptr) {