diff --git a/ppstructure/predict_system.py b/ppstructure/predict_system.py
index e40aa8a84bd2daa02e43d6f906cc217be3e767ef..14f7115b03a1b46f4a6baa15f624c3718623a9fa 100644
--- a/ppstructure/predict_system.py
+++ b/ppstructure/predict_system.py
@@ -78,7 +78,7 @@ def save_res(res, save_folder, img_name):
             pass
         else:
             with open(os.path.join(excel_save_folder, 'res.txt'), 'a', encoding='utf8') as f:
-                for box, rec_res in zip(*region['res']):
+                for box, rec_res in zip(region['res'][0],region['res'][1]):
                     f.write('{}\t{}\n'.format(np.array(box).reshape(-1).tolist(), rec_res))