diff --git a/python/paddle_fl/paddle_fl/examples/dpsgd_demo/fl_trainer.py b/python/paddle_fl/paddle_fl/examples/dpsgd_demo/fl_trainer.py
index 7e95e3e98b405468d92df7c1236dbabd87cfe997..0789513b6996220a4ef20c8eb54ad8474fc80ed1 100644
--- a/python/paddle_fl/paddle_fl/examples/dpsgd_demo/fl_trainer.py
+++ b/python/paddle_fl/paddle_fl/examples/dpsgd_demo/fl_trainer.py
@@ -75,7 +75,6 @@ while not trainer.stop():
     epoch_id += 1
     if epoch_id > 10:
         break
-    #print("epoch %d start train" % (epoch_id))
     print("{} Epoch {} start train".format(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())), epoch_id))
     for step_id, data in enumerate(train_reader()):
         acc = trainer.run(feeder.feed(data), fetch=["accuracy_0.tmp_0"])