diff --git a/paddle_fl/examples/k8s_deployment/README.md b/paddle_fl/examples/k8s_deployment/README.md
index 73b1ae767f63c548cf7bb0b97acac288612afbe0..320f7b2b528e4dcfae445f0cb1854a6710fa7016 100644
--- a/paddle_fl/examples/k8s_deployment/README.md
+++ b/paddle_fl/examples/k8s_deployment/README.md
@@ -45,6 +45,6 @@ wget ${FL_MASTER_SERVICE_HOST}:${FL_MASTER_SERVICE_PORT_FL_MASTER}/fl_job_config
 tar -xf fl_job_config.tar.gz
 
 #Start the ith trainer
-python -u fl_trainer.py 0
+python -u fl_trainer.py i
 
 ```