diff --git a/ppocr/data/imaug/copy_paste.py b/ppocr/data/imaug/copy_paste.py
index bbf62e2a3d813671551efa1a76c03754b1b764f5..0b3386c896792bd670cd2bfc757eb3b80f22bac4 100644
--- a/ppocr/data/imaug/copy_paste.py
+++ b/ppocr/data/imaug/copy_paste.py
@@ -32,6 +32,7 @@ class CopyPaste(object):
         self.aug = IaaAugment(augmenter_args)
 
     def __call__(self, data):
+        point_num = data['polys'].shape[1]
         src_img = data['image']
         src_polys = data['polys'].tolist()
         src_ignores = data['ignore_tags'].tolist()
@@ -57,6 +58,9 @@ class CopyPaste(object):
 
             src_img, box = self.paste_img(src_img, box_img, src_polys)
             if box is not None:
+                box = box.tolist() 
+                for _ in range(len(box), point_num):
+                    box.append(box[-1])
                 src_polys.append(box)
                 src_ignores.append(tag)
         src_img = cv2.cvtColor(np.array(src_img), cv2.COLOR_RGB2BGR)
diff --git a/ppocr/data/simple_dataset.py b/ppocr/data/simple_dataset.py
index 6a33e1342506f26ccaa4a146f3f02fadfbd741a2..ee8571b8c452bbd834fc5dbcf01ce390562163d6 100644
--- a/ppocr/data/simple_dataset.py
+++ b/ppocr/data/simple_dataset.py
@@ -14,6 +14,7 @@
 import numpy as np
 import os
 import random
+import traceback
 from paddle.io import Dataset
 from .imaug import transform, create_operators
 
@@ -93,7 +94,8 @@ class SimpleDataSet(Dataset):
                 img = f.read()
                 data['image'] = img
             data = transform(data, load_data_ops)
-            if data is None:
+
+            if data is None or data['polys'].shape[1]!=4:
                 continue
             ext_data.append(data)
         return ext_data
@@ -115,10 +117,10 @@ class SimpleDataSet(Dataset):
                 data['image'] = img
             data['ext_data'] = self.get_ext_data()
             outs = transform(data, self.ops)
-        except Exception as e:
+        except:
             self.logger.error(
                 "When parsing line {}, error happened with msg: {}".format(
-                    data_line, e))
+                    data_line, traceback.format_exc()))
             outs = None
         if outs is None:
             # during evaluation, we should fix the idx to get same results for many times of evaluation.