add index

doc/fluid/api/review_tmp.rst

@@ -7,3 +7,5 @@ paddle.review_tmp
 
     review_tmp/MarginRankingLoss.rst
     review_tmp/margin_ranking_loss.rst
+    review_tmp/l1_loss.rst
+    review_tmp/l1_loss.rst

doc/fluid/api/review_tmp/l1_loss.rst

+.. _api_nn_functional_l1_loss:
+
+l1_loss
+---------
+
+..  autofunction:: paddle.nn.functional.l1_loss
+    :noindex:

doc/fluid/api_cn/nn_cn/functional_cn/one_hot_cn.rst

-.. _cn_api_fluid_one_hot:
+.. _cn_api_nn_functional_one_hot:
 
 one_hot
 -------------------------------