diff --git a/deploy/hubserving/ocr_det/module.py b/deploy/hubserving/ocr_det/module.py
index 7c11d1faa3..d2cecaa475 100644
--- a/deploy/hubserving/ocr_det/module.py
+++ b/deploy/hubserving/ocr_det/module.py
@@ -5,9 +5,7 @@ from __future__ import print_function
 
 import os
 import sys
-__dir__ = os.path.dirname(os.path.abspath(__file__))
-sys.path.append(__dir__)
-sys.path.append(os.path.abspath(os.path.join(__dir__, '../../../')))
+sys.path.insert(0, ".")
 
 import argparse
 import ast
diff --git a/deploy/hubserving/ocr_rec/module.py b/deploy/hubserving/ocr_rec/module.py
index 781214f9c9..e2d0bfdda3 100644
--- a/deploy/hubserving/ocr_rec/module.py
+++ b/deploy/hubserving/ocr_rec/module.py
@@ -5,9 +5,7 @@ from __future__ import print_function
 
 import os
 import sys
-__dir__ = os.path.dirname(os.path.abspath(__file__))
-sys.path.append(__dir__)
-sys.path.append(os.path.abspath(os.path.join(__dir__, '../../../')))
+sys.path.insert(0, ".")
 
 import argparse
 import ast
diff --git a/deploy/hubserving/ocr_system/module.py b/deploy/hubserving/ocr_system/module.py
index f2a4ed996d..a959fc0e06 100644
--- a/deploy/hubserving/ocr_system/module.py
+++ b/deploy/hubserving/ocr_system/module.py
@@ -5,10 +5,7 @@ from __future__ import print_function
 
 import os
 import sys
-
-__dir__ = os.path.dirname(os.path.abspath(__file__))
-sys.path.append(__dir__)
-sys.path.append(os.path.abspath(os.path.join(__dir__, '../../../')))
+sys.path.insert(0, ".")
 
 import argparse
 import ast
diff --git a/deploy/hubserving/readme.md b/deploy/hubserving/readme.md
index c7068d91b4..56217a9c6f 100644
--- a/deploy/hubserving/readme.md
+++ b/deploy/hubserving/readme.md
@@ -1,7 +1,7 @@
 [English](readme_en.md) | 简体中文
 
 PaddleOCR提供2种服务部署方式：
-- 基于PaddleHub Serving的部署：代码路径为"`./deploy/hubserving`"，按照本教程使用；	
+- 基于PaddleHub Serving的部署：代码路径为"`./deploy/hubserving`"，按照本教程使用；
 - 基于PaddleServing的部署：代码路径为"`./deploy/pdserving`"，使用方法参考[文档](../pdserving/readme.md)。
 
 # 基于PaddleHub Serving的服务部署
@@ -29,12 +29,6 @@ deploy/hubserving/ocr_system/
 ```shell
 # 安装paddlehub  
 pip3 install paddlehub --upgrade -i https://pypi.tuna.tsinghua.edu.cn/simple
-
-# 在Linux下设置环境变量
-export PYTHONPATH=.
-
-# 或者，在Windows下设置环境变量
-SET PYTHONPATH=.
 ```
 
 ### 2. 下载推理模型
diff --git a/deploy/hubserving/readme_en.md b/deploy/hubserving/readme_en.md
index 48b519ae24..f41fb3f689 100644
--- a/deploy/hubserving/readme_en.md
+++ b/deploy/hubserving/readme_en.md
@@ -1,7 +1,7 @@
 English | [简体中文](readme.md)
 
-PaddleOCR provides 2 service deployment methods: 
-- Based on **PaddleHub Serving**: Code path is "`./deploy/hubserving`". Please follow this tutorial. 
+PaddleOCR provides 2 service deployment methods:
+- Based on **PaddleHub Serving**: Code path is "`./deploy/hubserving`". Please follow this tutorial.
 - Based on **PaddleServing**: Code path is "`./deploy/pdserving`". Please refer to the [tutorial](../pdserving/readme_en.md) for usage.
 
 # Service deployment based on PaddleHub Serving  
@@ -30,12 +30,6 @@ The following steps take the 2-stage series service as an example. If only the d
 ```shell
 # Install paddlehub  
 pip3 install paddlehub --upgrade -i https://pypi.tuna.tsinghua.edu.cn/simple
-
-# Set environment variables on Linux
-export PYTHONPATH=.
-
-# Set environment variables on Windows
-SET PYTHONPATH=.
 ```
 
 ### 2. Download inference model