diff --git a/paddleocr.py b/paddleocr.py
index dc96a5b6e94bae399daef5ce07655b012ee4c0d4..3a06158b0c92ea70e4320646d38e8c9e9295e9db 100644
--- a/paddleocr.py
+++ b/paddleocr.py
@@ -39,7 +39,7 @@ from ppocr.utils.utility import check_and_read_gif, get_image_file_list
 from ppocr.utils.network import maybe_download, download_with_progressbar, is_link, confirm_model_dir_url
 from tools.infer.utility import draw_ocr, str2bool, check_gpu
 from ppstructure.utility import init_args, draw_structure_result
-from ppstructure.predict_system import OCRSystem, save_structure_res
+from ppstructure.predict_system import StructureSystem, save_structure_res
 
 __all__ = [
     'PaddleOCR', 'PPStructure', 'draw_ocr', 'draw_structure_result',
@@ -398,7 +398,7 @@ class PaddleOCR(predict_system.TextSystem):
             return rec_res
 
 
-class PPStructure(OCRSystem):
+class PPStructure(StructureSystem):
     def __init__(self, **kwargs):
         params = parse_args(mMain=False)
         params.__dict__.update(**kwargs)
diff --git a/ppstructure/predict_system.py b/ppstructure/predict_system.py
index 3ae52fdd703670c4250f1b4a440004fa8b9082ad..f6703e1a419a38b51fb2cb034c6e2b1aa6d8aa90 100644
--- a/ppstructure/predict_system.py
+++ b/ppstructure/predict_system.py
@@ -35,7 +35,7 @@ from ppstructure.utility import parse_args, draw_structure_result
 logger = get_logger()
 
 
-class OCRSystem(object):
+class StructureSystem(object):
     def __init__(self, args):
         self.mode = args.mode
         if self.mode == 'structure':
@@ -139,7 +139,7 @@ def main(args):
     image_file_list = image_file_list
     image_file_list = image_file_list[args.process_id::args.total_process_num]
 
-    structure_sys = OCRSystem(args)
+    structure_sys = StructureSystem(args)
     img_num = len(image_file_list)
     save_folder = os.path.join(args.output, structure_sys.mode)
     os.makedirs(save_folder, exist_ok=True)