diff --git a/python/examples/fit_a_line/README_CN.md b/python/examples/fit_a_line/README_CN.md
index d58eb4fbf15045ef2e9d873b2c8517f86cbca0de..20e3c5d63b4a73634a7940ecef0e39232fe75d30 100644
--- a/python/examples/fit_a_line/README_CN.md
+++ b/python/examples/fit_a_line/README_CN.md
@@ -10,15 +10,16 @@ sh get_data.sh
 
 
 
-## RPC服务
 
-### 开启服务端
+## 开启服务端
 
 ```shell
 python -m paddle_serving_server.serve --model uci_housing_model --thread 10 --port 9393
 ```
 
-### 客户端预测
+## 客户端预测
+
+### 客户端RPC
 
 `test_client.py`中使用了`paddlepaddle`包，需要进行下载（`pip install paddlepaddle`）。
 
@@ -26,23 +27,12 @@ python -m paddle_serving_server.serve --model uci_housing_model --thread 10 --po
 python test_client.py uci_housing_client/serving_client_conf.prototxt
 ```
 
-
-
-## HTTP服务
-
-### 开启服务端
-
-通过下面的一行代码开启默认web服务：
+### 客户端Http预测
 
 ``` shell
-python -m paddle_serving_server.serve --model uci_housing_model --thread 10 --port 9393 --name uci
+python test_httpclient.py uci_housing_client/serving_client_conf.prototxt
 ```
 
-### 客户端预测
-
-``` shell
-curl -H "Content-Type:application/json" -X POST -d '{"feed":[{"x": [0.0137, -0.1136, 0.2553, -0.0692, 0.0582, -0.0727, -0.1583, -0.0584, 0.6283, 0.4919, 0.1856, 0.0795, -0.0332]}], "fetch":["price"]}' http://127.0.0.1:9393/uci/prediction
-```
 
 ## 性能测试
 ``` shell
diff --git a/python/examples/fit_a_line/test_httpclient.py b/python/examples/fit_a_line/test_httpclient.py
index 6826068ab11453ed5e2f34a45446d4edf286cb3a..cd993042632f4d239d2665a7baa595b823f7601e 100644
--- a/python/examples/fit_a_line/test_httpclient.py
+++ b/python/examples/fit_a_line/test_httpclient.py
@@ -20,7 +20,8 @@ import time
 
 client = HttpClient()
 client.load_client_config(sys.argv[1])
-client.use_key("./key")
+# if you want to enable Encrypt Module,uncommenting the following line
+#client.use_key("./key")
 client.set_response_compress(True)
 client.set_request_compress(True)
 fetch_list = client.get_fetch_names()