diff --git a/python/paddle/nn/functional/loss.py b/python/paddle/nn/functional/loss.py
index 3f12fb759d16a236d3292f6c0fb580300ffce211..4d5d3e400afee0b2b9ebed1662b30a8e7d4e9808 100755
--- a/python/paddle/nn/functional/loss.py
+++ b/python/paddle/nn/functional/loss.py
@@ -1147,6 +1147,7 @@ def margin_cross_entropy(logits,
     Examples:
 
     .. code-block:: python
+        :name: code-example1
 
         # required: gpu
         # Single GPU
@@ -1195,6 +1196,7 @@ def margin_cross_entropy(logits,
         #        [0.99992995, 0.00006468, 0.00000000, 0.00000537]])
 
     .. code-block:: python
+        :name: code-example2
 
         # required: distributed
         # Multi GPU, test_margin_cross_entropy.py