diff --git a/ppocr/utils/network.py b/ppocr/utils/network.py
index 7d98f5c310866d4bd99b0ea80fac2fd7b9620a36..453abb693d4c0ed370c1031b677d5bf51661add9 100644
--- a/ppocr/utils/network.py
+++ b/ppocr/utils/network.py
@@ -20,6 +20,7 @@ from tqdm import tqdm
 
 from ppocr.utils.logging import get_logger
 
+
 def download_with_progressbar(url, save_path):
     logger = get_logger()
     response = requests.get(url, stream=True)
@@ -45,6 +46,7 @@ def maybe_download(model_storage_directory, url):
             os.path.join(model_storage_directory, 'inference.pdiparams')
     ) or not os.path.exists(
         os.path.join(model_storage_directory, 'inference.pdmodel')):
+        assert url.endswith('.tar'), 'Only supports tar compressed package'
         tmp_path = os.path.join(model_storage_directory, url.split('/')[-1])
         print('download {} to {}'.format(url, tmp_path))
         os.makedirs(model_storage_directory, exist_ok=True)
@@ -64,3 +66,17 @@ def maybe_download(model_storage_directory, url):
                     f.write(file.read())
         os.remove(tmp_path)
 
+
+def is_link(s):
+    return s is not None and s.startswith('http')
+
+
+def confirm_model_dir_url(model_dir, default_model_dir, default_url):
+    url = default_url
+    if model_dir is None or is_link(model_dir):
+        if is_link(model_dir):
+            url = model_dir
+        file_name = url.split('/')[-1][:-4]
+        model_dir = default_model_dir
+        model_dir = os.path.join(model_dir, file_name)
+    return model_dir, url
diff --git a/ppstructure/paddlestructure.py b/ppstructure/paddlestructure.py
index 03f905650d8d165ebbeec924e79a280cc592939d..f9bfc97990b7f49ee6a857faf313dfd73ec005ab 100644
--- a/ppstructure/paddlestructure.py
+++ b/ppstructure/paddlestructure.py
@@ -30,7 +30,7 @@ from ppstructure.utility import init_args, draw_result
 
 logger = get_logger()
 from ppocr.utils.utility import check_and_read_gif, get_image_file_list
-from ppocr.utils.network import maybe_download, download_with_progressbar
+from ppocr.utils.network import maybe_download, download_with_progressbar, confirm_model_dir_url, is_link
 
 __all__ = ['PaddleStructure', 'draw_result', 'to_excel']
 
@@ -70,16 +70,19 @@ class PaddleStructure(OCRSystem):
             logger.setLevel(logging.DEBUG)
         params.use_angle_cls = False
         # init model dir
-        if params.det_model_dir is None:
-            params.det_model_dir = os.path.join(BASE_DIR, VERSION, 'det')
-        if params.rec_model_dir is None:
-            params.rec_model_dir = os.path.join(BASE_DIR, VERSION, 'rec')
-        if params.structure_model_dir is None:
-            params.structure_model_dir = os.path.join(BASE_DIR, VERSION, 'structure')
+        params.det_model_dir, det_url = confirm_model_dir_url(params.det_model_dir,
+                                                              os.path.join(BASE_DIR, VERSION, 'det'),
+                                                              model_urls['det'])
+        params.rec_model_dir, rec_url = confirm_model_dir_url(params.rec_model_dir,
+                                                              os.path.join(BASE_DIR, VERSION, 'rec'),
+                                                              model_urls['rec'])
+        params.structure_model_dir, structure_url = confirm_model_dir_url(params.structure_model_dir,
+                                                                          os.path.join(BASE_DIR, VERSION, 'structure'),
+                                                                          model_urls['structure'])
         # download model
-        maybe_download(params.det_model_dir, model_urls['det'])
-        maybe_download(params.rec_model_dir, model_urls['rec'])
-        maybe_download(params.structure_model_dir, model_urls['structure'])
+        maybe_download(params.det_model_dir, det_url)
+        maybe_download(params.rec_model_dir, rec_url)
+        maybe_download(params.structure_model_dir, structure_url)
 
         if params.rec_char_dict_path is None:
             params.rec_char_type = 'EN'
@@ -143,3 +146,24 @@ def main():
             logger.info(item['res'])
         save_res(result, save_folder, img_name)
         logger.info('result save to {}'.format(os.path.join(save_folder, img_name)))
+
+
+if __name__ == '__main__':
+    table_engine = PaddleStructure(
+        output='/Users/zhoujun20/Desktop/工作相关/table/table_pr/PaddleOCR/output/table',
+        show_log=True)
+
+    img_path = '/Users/zhoujun20/Desktop/工作相关/table/table_pr/PaddleOCR/ppstructure/test_imgs/paper-image.jpg'
+    img = cv2.imread(img_path)
+    result = table_engine(img)
+    for line in result:
+        print(line)
+
+    from PIL import Image
+
+    font_path = '/Users/zhoujun20/Desktop/工作相关/table/table_pr/PaddleOCR//doc/fonts/simfang.ttf'
+    image = Image.open(img_path).convert('RGB')
+    im_show = draw_result(image, result,
+                          font_path='/Users/zhoujun20/Desktop/工作相关/table/table_pr/PaddleOCR//doc/fonts/simfang.ttf')
+    im_show = Image.fromarray(im_show)
+    im_show.save('result.jpg')