diff --git a/docs/source/examples/md/gru4rec_examples.md b/docs/source/examples/md/gru4rec_examples.md
index c74f0ed67664caec6b5e71b62ea48bb836ce19f0..6e717aa85a81e1965f434093d0a8b064d379c7e0 100644
--- a/docs/source/examples/md/gru4rec_examples.md
+++ b/docs/source/examples/md/gru4rec_examples.md
@@ -95,6 +95,10 @@ wget https://paddle-zwh.bj.bcebos.com/gru4rec_paddlefl_benchmark/gru4rec_benchma
 | 1/4 part-3 | single | - | 0.282 | 
 
 
-<img src='fl_benchmark.png' width = "1300" height = "310" align="middle"/>
+<p align="center">
+<img src="fl_benchmark.png" height=300 width=500 hspace='10'/> <br />
+fl benchmark
+</p>
+