Merge pull request #1457 from WenmuZhou/update_whl_doc

update whl version

doc/doc_ch/whl.md

@@ -6,7 +6,7 @@
 
 pip安装
 ```bash
-pip install paddleocr
+pip install "paddleocr>=2.0.1" # 推荐使用2.0.1+版本
 ```
 
 本地构建并安装

doc/doc_en/whl_en.md

@@ -4,7 +4,7 @@
 ### install package
 install by pypi
 ```bash
-pip install paddleocr
+pip install "paddleocr>=2.0.1" # Recommend to use version 2.0.1+
 ```
 
 build own whl package and install

setup.py

@@ -32,7 +32,7 @@ setup(
     package_dir={'paddleocr': ''},
     include_package_data=True,
     entry_points={"console_scripts": ["paddleocr= paddleocr.paddleocr:main"]},
-    version='2.0',
+    version='2.0.1',
     install_requires=requirements,
     license='Apache License 2.0',
     description='Awesome OCR toolkits based on PaddlePaddle （8.6M ultra-lightweight pre-trained model, support training and deployment among server, mobile, embeded and IoT devices',