diff --git a/fluid/machine_reading_comprehesion/DuReader/run.py b/fluid/machine_reading_comprehesion/DuReader/run.py
index 1fb6fd4e33d1c775c9486ab2971be109d89224ce..2f9d34db02aa76d3c2e2dfd5309bc3c324fbeee7 100644
--- a/fluid/machine_reading_comprehesion/DuReader/run.py
+++ b/fluid/machine_reading_comprehesion/DuReader/run.py
@@ -385,8 +385,9 @@ def evaluate(logger, args):
 	    ]
 	    feeder = fluid.DataFeeder(feed_list, place)
 
+            inference_program = main_program.clone(for_test=True)
 	    eval_loss, bleu_rouge = validation(
-		main_program, avg_cost, s_probs, e_probs,
+		inference_program, avg_cost, s_probs, e_probs,
 		feed_order, place, vocab, brc_data, logger, args)
 	    logger.info('Dev eval loss {}'.format(eval_loss))
 	    logger.info('Dev eval result: {}'.format(bleu_rouge))
@@ -431,8 +432,9 @@ def predict(logger, args):
 	    ]
 	    feeder = fluid.DataFeeder(feed_list, place)
 
+            inference_program = main_program.clone(for_test=True)
 	    eval_loss, bleu_rouge = validation(
-		main_program, avg_cost, s_probs, e_probs,
+		inference_program, avg_cost, s_probs, e_probs,
 		feed_order, place, vocab, brc_data, logger, args)
 
 
diff --git a/fluid/machine_reading_comprehesion/DuReader/run.sh b/fluid/machine_reading_comprehesion/DuReader/run.sh
index 076ec920930b8feedc6a730d8c88668ca2183d4f..e3476074578e31111e5b1e2a8b834499e86f517d 100644
--- a/fluid/machine_reading_comprehesion/DuReader/run.sh
+++ b/fluid/machine_reading_comprehesion/DuReader/run.sh
@@ -17,6 +17,4 @@ python run.py   \
 --max_p_len 500 \
 --max_q_len 60 \
 --max_a_len 200 \
---drop_rate 0.2 \
---train \
---test 
+--drop_rate 0.2 $@\