Unify name

Unify name

README.md

@@ -106,7 +106,7 @@ For a new language request, please refer to [Guideline for new language_requests
     - [PP-OCR Training](./doc/doc_en/training_en.md)
         - [Text Detection](./doc/doc_en/detection_en.md)
         - [Text Recognition](./doc/doc_en/recognition_en.md)
-        - [Direction Classification](./doc/doc_en/angle_class_en.md)
+        - [Text Direction Classification](./doc/doc_en/angle_class_en.md)
         - [Yml Configuration](./doc/doc_en/config_en.md)
     - Inference and Deployment
         - [C++ Inference](./deploy/cpp_infer/readme_en.md)

doc/doc_en/angle_class_en.md

-# Text Angle Classification
+# Text Direction Classification
 
 - [1. Method Introduction](#method-introduction)
 - [2. Data Preparation](#data-preparation)