diff --git a/ppocr/utils/character.py b/ppocr/utils/character.py
index 575658ef0421e3cedf44cedea67caac47de0fdd5..5f2963ace5fa70111a4c7610178921199ae389a2 100755
--- a/ppocr/utils/character.py
+++ b/ppocr/utils/character.py
@@ -25,7 +25,7 @@ class CharacterOps(object):
     def __init__(self, config):
         self.character_type = config['character_type']
         self.loss_type = config['loss_type']
-        self.max_text_len = 25
+        self.max_text_len = config['max_text_length']
         if self.character_type == "en":
             self.character_str = "0123456789abcdefghijklmnopqrstuvwxyz"
             dict_character = list(self.character_str)
diff --git a/tools/infer/utility.py b/tools/infer/utility.py
index fe590c7ec39df5eecdaf837df96bfd102590b62e..fc91880e2fdd39cb05d5115f5c3c76fd766b714c 100755
--- a/tools/infer/utility.py
+++ b/tools/infer/utility.py
@@ -56,8 +56,8 @@ def parse_args():
     #params for text recognizer
     parser.add_argument("--rec_algorithm", type=str, default='CRNN')
     parser.add_argument("--rec_model_dir", type=str)
-    parser.add_argument("--rec_image_shape", type=str, default="1, 64, 320")
-    parser.add_argument("--rec_char_type", type=str, default='en')
+    parser.add_argument("--rec_image_shape", type=str, default="3, 32, 320")
+    parser.add_argument("--rec_char_type", type=str, default='ch')
     parser.add_argument("--rec_batch_num", type=int, default=30)
     parser.add_argument(
         "--rec_char_dict_path",