diff --git a/fluid/neural_machine_translation/transformer/_ce.py b/fluid/neural_machine_translation/transformer/_ce.py
index 3b38b4f9c68e04da851d625eadbd7d79e929d04c..b774af075b028f4afafeb575f65cc8c9de8dc96b 100644
--- a/fluid/neural_machine_translation/transformer/_ce.py
+++ b/fluid/neural_machine_translation/transformer/_ce.py
@@ -7,9 +7,9 @@ from kpi import CostKpi, DurationKpi, AccKpi
 
 #### NOTE kpi.py should shared in models in some way!!!!
 
-train_cost_kpi = CostKpi('train_cost', 0.02, actived=True)
-test_cost_kpi = CostKpi('test_cost', 0.005, actived=True)
-train_duration_kpi = DurationKpi('train_duration', 0.06, actived=True)
+train_cost_kpi = CostKpi('train_cost', 0.02, 0, actived=True)
+test_cost_kpi = CostKpi('test_cost', 0.005, 0, actived=True)
+train_duration_kpi = DurationKpi('train_duration', 0.06, 0, actived=True)
 
 tracking_kpis = [
     train_cost_kpi,
@@ -55,6 +55,6 @@ def log_to_ce(log):
 if __name__ == '__main__':
     log = sys.stdin.read()
     print("*****")
-    print log
+    print(log)
     print("****")
     log_to_ce(log)
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