diff --git a/cplusplus/level2_simple_inference/n_performance/1_multi_process_thread/face_recognition_camera/src/mind_camera.cpp b/cplusplus/level2_simple_inference/n_performance/1_multi_process_thread/face_recognition_camera/src/mind_camera.cpp
index 54a742dc8aee8f3b572c7435f2cd770275483682..e3d64ba499c64c2e257eadf2d7b77429a3eab2c6 100644
--- a/cplusplus/level2_simple_inference/n_performance/1_multi_process_thread/face_recognition_camera/src/mind_camera.cpp
+++ b/cplusplus/level2_simple_inference/n_performance/1_multi_process_thread/face_recognition_camera/src/mind_camera.cpp
@@ -107,11 +107,11 @@ AtlasError MindCamera::ReadFrameMsgProcess() {
         }
     }
     //Send frame to next(face detection) thread
-/*    ret = SendMessageToNext(MSG_FRAME_DATA, recogInfo);
+    ret = SendMessageToNext(MSG_FRAME_DATA, recogInfo);
     if (ret != ATLAS_OK) {
         ATLAS_LOG_ERROR("Send preprocess data failed, error %d", ret);
         return ret;
-    }  */ 
+    }   
     //Send MSG_READ_FRAME to self cause read next frame
     ret = SendMessage(selfThreadId_, MSG_READ_FRAME, nullptr); 
     if (ret) {