diff --git a/fluid/neural_machine_translation/transformer_nist_base/data_util.py b/fluid/neural_machine_translation/transformer_nist_base/data_util.py
index ffa11a7a183173a45e83e06af7d8f0f8c97a17fa..26d974e6075fc9e3affbf4e6d62a64bdade153ad 100644
--- a/fluid/neural_machine_translation/transformer_nist_base/data_util.py
+++ b/fluid/neural_machine_translation/transformer_nist_base/data_util.py
@@ -10,9 +10,9 @@ END_MARK = "<e>"
 UNK_MARK = "<unk>"
 '''
 
-START_MARK = "<_GO>"
-END_MARK = "<_EOS>"
-UNK_MARK = "<_UNK>"
+START_MARK = "_GO"
+END_MARK = "_EOS"
+UNK_MARK = "_UNK"
 
 class DataLoader(object):
     def __init__(self,
diff --git a/fluid/neural_machine_translation/transformer_nist_base/nmt_fluid.py b/fluid/neural_machine_translation/transformer_nist_base/nmt_fluid.py
index bedddffb1a405084632cf6190a219a5bf9e88f51..8d467c392298e58a27b9fe915913fad8093d7eff 100644
--- a/fluid/neural_machine_translation/transformer_nist_base/nmt_fluid.py
+++ b/fluid/neural_machine_translation/transformer_nist_base/nmt_fluid.py
@@ -280,8 +280,9 @@ def main():
             ts = time.time()
             total = 0
             pass_start_time = time.time()
+            #print len(train_reader)
             for batch_id, data in enumerate(train_reader):
-                print len(data)
+                #print len(data)
                 if len(data) != args.batch_size:
                     continue
 
@@ -415,10 +416,11 @@ def main():
                     position_encoding_init(ModelHyperParams.max_length + 1,
                                            ModelHyperParams.d_model), place)
 
+            #print "/root/data/nist06n/data-%d/part-*" % (args.task_index),
             train_reader = data_util.DataLoader(
                 src_vocab_fpath="/root/data/nist06n/cn_30001.dict",
                 trg_vocab_fpath="/root/data/nist06n/en_30001.dict",
-                fpattern="/root/data/nist06/data-%d/part-*" % (args.task_index),
+                fpattern="/root/data/nist06n/data-%d/part-*" % (args.task_index),
                 batch_size=args.batch_size,
                 token_batch_size=TrainTaskConfig.token_batch_size,
                 sort_by_length=TrainTaskConfig.sort_by_length,