diff --git a/fluid/PaddleRec/word2vec/net.py b/fluid/PaddleRec/word2vec/net.py
index 1945b62a44925154583aadca173883359378a02a..f283b1cf36a2d6fd25947082853e16e9aa749e7d 100644
--- a/fluid/PaddleRec/word2vec/net.py
+++ b/fluid/PaddleRec/word2vec/net.py
@@ -101,11 +101,8 @@ def skip_gram_word2vec(dict_size, embedding_size, is_sparse=False, neg_num=5):
                                                                label_ones)
     neg_xent = fluid.layers.sigmoid_cross_entropy_with_logits(neg_logits,
                                                               label_zeros)
-
     cost = fluid.layers.elementwise_add(
-        fluid.layers.reduce_sum(
-            true_xent, dim=1),
-        fluid.layers.reduce_sum(
+        true_xent, fluid.layers.reduce_sum(
             neg_xent, dim=1))
     avg_cost = fluid.layers.reduce_mean(cost)
     return avg_cost, py_reader