diff --git a/test_time_r.py b/test_time_r.py
index 9270ac4..d328400 100644
--- a/test_time_r.py
+++ b/test_time_r.py
@@ -29,4 +29,5 @@ if ret != 0:
     exit(1)
 
 while True:
+    print("recv")
     time.sleep(3)