update some note

deploy/cpp_infer/readme.md

@@ -208,7 +208,7 @@ Execute the built executable file:
 ./build/ppocr [--param1] [--param2] [...]
 ```
 
-**Note**:ppocr uses the `PP-OCRv3` model by default, and the input shape used by the recognition model is `3, 48, 320`, if you do not use the default `PP-OCRv3` model, you should add the parameter `--rec_img_h=32`.
+**Note**:ppocr uses the `PP-OCRv3` model by default, and the input shape used by the recognition model is `3, 48, 320`, if you want to use the old version model, you should add the parameter `--rec_img_h=32`.
 
 Specifically,
 

deploy/cpp_infer/readme_ch.md

@@ -213,7 +213,7 @@ CUDNN_LIB_DIR=/your_cudnn_lib_dir
 
 本demo支持系统串联调用，也支持单个功能的调用，如，只使用检测或识别功能。
 
-**注意** ppocr默认使用`PP-OCRv3`模型，识别模型使用的输入shape为`3,48,320`, 如果不使用默认的`PP-OCRv3`模型，则需要设置参数`--rec_img_h=32`。
+**注意** ppocr默认使用`PP-OCRv3`模型，识别模型使用的输入shape为`3,48,320`, 如需使用旧版本的PP-OCR模型，则需要设置参数`--rec_img_h=32`。
 
 
 运行方式：  

doc/doc_ch/quickstart.md

@@ -106,7 +106,7 @@ paddleocr默认使用PP-OCRv3模型(`--ocr_version PP-OCRv3`)，如需使用其
 |  版本名称  |  版本说明 |
 |    ---    |   ---   |
 | PP-OCRv3 | 支持中、英文检测和识别，方向分类器，支持多语种识别 |
-| PP-OCRv2 | 仅支持中英文的检测和识别 |
+| PP-OCRv2 | 支持中英文的检测和识别，方向分类器，多语言暂未更新 |
 | PP-OCR   | 支持中、英文检测和识别，方向分类器，支持多语种识别 |
 
 如需新增自己训练的模型，可以在[paddleocr](../../paddleocr.py)中增加模型链接和字段，重新编译即可。

doc/doc_en/quickstart_en.md

@@ -124,7 +124,7 @@ paddleocr uses the PP-OCRv3 model by default(`--ocr_version PP-OCRv3`). If you w
 |  version name |  description |
 |    ---    |   ---   |
 | PP-OCRv3 | support Chinese and English detection and recognition, direction classifier, support multilingual recognition |
-| PP-OCRv2 | only supports Chinese and English detection and recognition |
+| PP-OCRv2 | only supports Chinese and English detection and recognition, direction classifier, multilingual model is not updated |
 | PP-OCR   | support Chinese and English detection and recognition, direction classifier, support multilingual recognition |
 
 If you want to add your own trained model, you can add model links and keys in [paddleocr](../../paddleocr.py) and recompile.

paddleocr.py

@@ -154,7 +154,13 @@ MODEL_URLS = {
                     'https://paddleocr.bj.bcebos.com/PP-OCRv2/chinese/ch_PP-OCRv2_rec_infer.tar',
                     'dict_path': './ppocr/utils/ppocr_keys_v1.txt'
                 }
-            }
+            },
+            'cls': {
+                'ch': {
+                    'url':
+                    'https://paddleocr.bj.bcebos.com/dygraph_v2.0/ch/ch_ppocr_mobile_v2.0_cls_infer.tar',
+                }
+            },
         },
         'PP-OCR': {
             'det': {