diff --git a/ctr/README.md b/ctr/README.md
index 3ed09385fa1d57d7a429b21b6f8abba1c8bde37f..b13eeb2377c28a3fc4a77899798cb77181b9425d 100644
--- a/ctr/README.md
+++ b/ctr/README.md
@@ -158,6 +158,9 @@ output = combine_submodels(dnn, lr)
 classification_cost = paddle.layer.multi_binary_label_cross_entropy_cost(
     input=output, label=click)
 
+
+paddle.init(use_gpu=False, trainer_count=11)
+
 params = paddle.parameters.create(classification_cost)
 
 optimizer = paddle.optimizer.Momentum(momentum=0)