diff --git a/doc/demo/semantic_role_labeling/semantic_role_labeling.md b/doc/demo/semantic_role_labeling/semantic_role_labeling.md
index 5ade1ee8d6e715c00d600edc90e7577876bf05c4..add2e54fad08ce1e044aef17881ab4aec645daa2 100644
--- a/doc/demo/semantic_role_labeling/semantic_role_labeling.md
+++ b/doc/demo/semantic_role_labeling/semantic_role_labeling.md
@@ -167,6 +167,7 @@ paddle train \
   - \--model_list=$model_list.list: model list file
   - \--job=test: indicate the test job
   - \--config_args=is_test=1: flag to indicate test
+  - \--test_all_data_in_one_period=1: test all data in 1 period
   
 
 ### Run prediction