update doc

doc/PIPELINE_SERVING.md

@@ -279,8 +279,6 @@ Here, we build a simple imdb model enable example to show how to use Pipeline Se
 
 ### Get the model file and start the Paddle Serving Service
 
-PipelineServing also supports local automatic startup of PaddleServingService. Please refer to the example `python/examples/pipeline/ocr`.
-
 ```shell
 cd python/examples/pipeline/imdb_model_ensemble
 sh get_data.sh
@@ -288,6 +286,8 @@ python -m paddle_serving_server.serve --model imdb_cnn_model --port 9292 &> cnn.
 python -m paddle_serving_server.serve --model imdb_bow_model --port 9393 &> bow.log &
 ```
 
+PipelineServing also supports local automatic startup of PaddleServingService. Please refer to the example `python/examples/pipeline/ocr`.
+
 ### Start PipelineServer
 
 Run the following code

doc/PIPELINE_SERVING_CN.md

@@ -277,8 +277,6 @@ dag:
 
 ### 获取模型文件并启动 Paddle Serving Service
 
-PipelineServing 也支持本地自动启动 PaddleServingService，请参考 `python/examples/pipeline/ocr` 下的例子。
-
 ```shell
 cd python/examples/pipeline/imdb_model_ensemble
 sh get_data.sh
@@ -286,6 +284,8 @@ python -m paddle_serving_server.serve --model imdb_cnn_model --port 9292 &> cnn.
 python -m paddle_serving_server.serve --model imdb_bow_model --port 9393 &> bow.log &
 ```
 
+PipelineServing 也支持本地自动启动 PaddleServingService，请参考 `python/examples/pipeline/ocr` 下的例子。
+
 ### 启动 PipelineServer
 
 运行下面代码