diff --git a/README.md b/README.md
index 1818ddd61cc5423c4a590815930d007303f18e81..f209e58b66cc4c056ff4ab30283213534eac52c0 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ You may need to use a domestic mirror source (in China, you can use the Tsinghua
If you need install modules compiled with develop branch, please download packages from [latest packages list](./doc/LATEST_PACKAGES.md) and install with `pip install` command.
-Client package support Centos 7 and Ubuntu 18, or you can use HTTP service without install client.
+Packages of Paddle Serving support Centos 6/7 and Ubuntu 16/18, or you can use HTTP service without install client.
Pre-built services with Paddle Serving
diff --git a/README_CN.md b/README_CN.md
index 29cf095248f4c125b3dba7146e67efe8b7abae6c..05d3ad2100b15830d10c8bc4454a6d319d7b990b 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -55,7 +55,7 @@ pip install paddle-serving-server-gpu # GPU
如果需要使用develop分支编译的安装包,请从[最新安装包列表](./doc/LATEST_PACKAGES.md)中获取下载地址进行下载,使用`pip install`命令进行安装。
-客户端安装包支持Centos 7和Ubuntu 18,或者您可以使用HTTP服务,这种情况下不需要安装客户端。
+Paddle Serving安装包支持Centos 6/7和Ubuntu 16/18,或者您可以使用HTTP服务,这种情况下不需要安装客户端。
Paddle Serving预装的服务
diff --git a/python/examples/criteo_ctr_with_cube/cube_prepare.sh b/python/examples/criteo_ctr_with_cube/cube_prepare.sh
index 2d0efaa56f06e9ad8d1590f1316e64bcc65f268d..1417254a54e2194ab3a0194f2ec970f480787acd 100755
--- a/python/examples/criteo_ctr_with_cube/cube_prepare.sh
+++ b/python/examples/criteo_ctr_with_cube/cube_prepare.sh
@@ -17,6 +17,6 @@
mkdir -p cube_model
mkdir -p cube/data
./seq_generator ctr_serving_model/SparseFeatFactors ./cube_model/feature
-./cube/cube-builder -dict_name=test_dict -job_mode=base -last_version=0 -cur_version=0 -depend_version=0 -input_path=./cube_model -output_path=./cube/data -shard_num=1 -only_build=false
+./cube/cube-builder -dict_name=test_dict -job_mode=base -last_version=0 -cur_version=0 -depend_version=0 -input_path=./cube_model -output_path=${PWD}/cube/data -shard_num=1 -only_build=false
mv ./cube/data/0_0/test_dict_part0/* ./cube/data/
cd cube && ./cube
diff --git a/python/examples/criteo_ctr_with_cube/cube_quant_prepare.sh b/python/examples/criteo_ctr_with_cube/cube_quant_prepare.sh
index 7c794e103baa3a97d09966c470dd48eb56579500..0db6575ab307fb81cdd0336a20bb9a8ec30d446d 100755
--- a/python/examples/criteo_ctr_with_cube/cube_quant_prepare.sh
+++ b/python/examples/criteo_ctr_with_cube/cube_quant_prepare.sh
@@ -17,6 +17,6 @@
mkdir -p cube_model
mkdir -p cube/data
./seq_generator ctr_serving_model/SparseFeatFactors ./cube_model/feature 8
-./cube/cube-builder -dict_name=test_dict -job_mode=base -last_version=0 -cur_version=0 -depend_version=0 -input_path=./cube_model -output_path=./cube/data -shard_num=1 -only_build=false
+./cube/cube-builder -dict_name=test_dict -job_mode=base -last_version=0 -cur_version=0 -depend_version=0 -input_path=./cube_model -output_path=${PWD}/cube/data -shard_num=1 -only_build=false
mv ./cube/data/0_0/test_dict_part0/* ./cube/data/
cd cube && ./cube