diff --git a/python/examples/criteo_ctr_with_cube/README.md b/python/examples/criteo_ctr_with_cube/README.md
index 25f171f5b07a6c58de68809ae6092c85f92b8116..056035a68335d88fef813b834538643b8cc04ea0 100755
--- a/python/examples/criteo_ctr_with_cube/README.md
+++ b/python/examples/criteo_ctr_with_cube/README.md
@@ -31,7 +31,9 @@ the model will be in ./ctr_server_model_kv and ./ctr_client_config.
 
 ### Start Sparse Parameter Indexing Service
 ```
-cp ../../../build_server/output/bin/cube* ./cube/
+wget https://paddle-serving.bj.bcebos.com/others/cube_app.tar.gz
+tar xf cube_app.tar.gz
+mv cube_app/cube* ./cube/
 sh cube_prepare.sh &
 ```
 
diff --git a/python/examples/criteo_ctr_with_cube/README_CN.md b/python/examples/criteo_ctr_with_cube/README_CN.md
index 47279cc8c2dd781324fe4c73d98f58cbd69319c9..2ba22770b770f318ba0c3ef503c34571d2976e8f 100644
--- a/python/examples/criteo_ctr_with_cube/README_CN.md
+++ b/python/examples/criteo_ctr_with_cube/README_CN.md
@@ -29,7 +29,9 @@ mv models/data ./cube/
 
 ### 启动稀疏参数索引服务
 ```
-cp ../../../build_server/output/bin/cube* ./cube/
+wget https://paddle-serving.bj.bcebos.com/others/cube_app.tar.gz
+tar xf cube_app.tar.gz
+mv cube_app/cube* ./cube/
 sh cube_prepare.sh &
 ```