diff --git a/configs/rec/rec_chinese_common_train.yml b/configs/rec/rec_chinese_common_train.yml
index 72728bd21391134f1fea40af032dc72064c0f257..0d897459e0a631a4ac1fa10973f18e8640078c1b 100644
--- a/configs/rec/rec_chinese_common_train.yml
+++ b/configs/rec/rec_chinese_common_train.yml
@@ -15,7 +15,7 @@ Global:
   character_dict_path: ./ppocr/utils/ppocr_keys_v1.txt
   loss_type: ctc
   distort: false
-  add_sapce: false
+  use_space_char: false
   reader_yml: ./configs/rec/rec_chinese_reader.yml
   pretrain_weights:
   checkpoints:
diff --git a/configs/rec/rec_chinese_lite_train.yml b/configs/rec/rec_chinese_lite_train.yml
index adc6d69699cdc7b8b5e8de59d794c175a4ae0a51..95a39a3b4d349973356594e15a23f951e27dc7c5 100755
--- a/configs/rec/rec_chinese_lite_train.yml
+++ b/configs/rec/rec_chinese_lite_train.yml
@@ -15,7 +15,7 @@ Global:
   character_dict_path: ./ppocr/utils/ppocr_keys_v1.txt
   loss_type: ctc
   distort: false
-  add_space: false
+  use_space_char: false
   reader_yml: ./configs/rec/rec_chinese_reader.yml
   pretrain_weights:
   checkpoints:
diff --git a/doc/doc_ch/config.md b/doc/doc_ch/config.md
index 66ab23423cb8a219d9322108df22c9ad267a67aa..6ef69d9cb0cc7ab4ed6d072185d734b12af1e30a 100644
--- a/doc/doc_ch/config.md
+++ b/doc/doc_ch/config.md
@@ -31,7 +31,7 @@
 |      character_dict_path |    设置字典路径            |  ./ppocr/utils/ic15_dict.txt  |    \                 |
 |      loss_type           |    设置 loss 类型              |       ctc         |    支持两种loss： ctc / attention |
 |       distort            |    设置是否使用数据增强          |       false       |  设置为true时，将在训练时随机进行扰动，支持的扰动操作可阅读[img_tools.py](https://github.com/PaddlePaddle/PaddleOCR/blob/develop/ppocr/data/rec/img_tools.py)                 |
-|       add_space          |    设置是否识别空格             |        false      |          仅在"ch"模式下支持空格                 |
+|       use_space_char          |    设置是否识别空格             |        false      |          仅在"ch"模式下支持空格                 |
 |      reader_yml          |    设置reader配置文件          |  ./configs/rec/rec_icdar15_reader.yml  |  \          |
 |      pretrain_weights    |    加载预训练模型路径      |  ./pretrain_models/CRNN/best_accuracy  |  \          |
 |      checkpoints         |    加载模型参数路径            |       None        |    用于中断后加载参数继续训练 |
diff --git a/doc/doc_en/config_en.md b/doc/doc_en/config_en.md
index aab1b9a33ad86d1f4465971badf43905f18c03f8..827d8b23b6f2855bf379058f117cfdb3a26885e6 100644
--- a/doc/doc_en/config_en.md
+++ b/doc/doc_en/config_en.md
@@ -31,7 +31,7 @@ Take `rec_chinese_lite_train.yml` as an example
 |      character_dict_path |    Set dictionary path            |  ./ppocr/utils/ic15_dict.txt  |    \                 |
 |      loss_type           |    Set loss type              |       ctc         |    Supports two types of loss: ctc / attention |
 |       distort            |    Set use distort          |       false       |  Support distort type ,read [img_tools.py](https://github.com/PaddlePaddle/PaddleOCR/blob/develop/ppocr/data/rec/img_tools.py)                 |
-|       add_space          |    Wether to recognize space             |        false      |         Only support in "ch" mode                 |
+|      use_space_char          |    Wether to recognize space             |        false      |         Only support in "ch" mode                 |
 |      reader_yml          |    Set the reader configuration file          |  ./configs/rec/rec_icdar15_reader.yml  |  \          |
 |      pretrain_weights    |    Load pre-trained model path      |  ./pretrain_models/CRNN/best_accuracy  |  \          |
 |      checkpoints         |    Load saved model path            |       None        |    Used to load saved parameters to continue training after interruption |
diff --git a/ppocr/utils/character.py b/ppocr/utils/character.py
index 26b1ba77884faec115d7c8b8754ebc2ed10411d3..5d852852c38a1486e031e6f45d529608a4a17e4a 100755
--- a/ppocr/utils/character.py
+++ b/ppocr/utils/character.py
@@ -31,8 +31,8 @@ class CharacterOps(object):
         elif self.character_type == "ch":
             character_dict_path = config['character_dict_path']
             add_space = False
-            if 'add_space' in config:
-                add_space = config['add_space']
+            if 'use_space_char' in config:
+                add_space = config['use_space_char']
             self.character_str = ""
             with open(character_dict_path, "rb") as fin:
                 lines = fin.readlines()
diff --git a/tools/infer/predict_rec.py b/tools/infer/predict_rec.py
index 3be013ed33d109aeb42ea676b9edee5fc46f1c93..bd96548d827d7b47a059648e8cedc20086488801 100755
--- a/tools/infer/predict_rec.py
+++ b/tools/infer/predict_rec.py
@@ -40,7 +40,7 @@ class TextRecognizer(object):
         char_ops_params = {
             "character_type": args.rec_char_type,
             "character_dict_path": args.rec_char_dict_path,
-            "add_space": args.rec_add_space
+            "use_space_char": args.use_space_char
         }
         if self.rec_algorithm != "RARE":
             char_ops_params['loss_type'] = 'ctc'
diff --git a/tools/infer/utility.py b/tools/infer/utility.py
index bbd130d1a699238fe16fce4db283a6374060a3c4..88a84faec135baa092c40499823cc07af1803cc0 100755
--- a/tools/infer/utility.py
+++ b/tools/infer/utility.py
@@ -63,7 +63,7 @@ def parse_args():
         "--rec_char_dict_path",
         type=str,
         default="./ppocr/utils/ppocr_keys_v1.txt")
-    parser.add_argument("--rec_add_space", type=bool, default=True)
+    parser.add_argument("--use_space_char", type=bool, default=True)
     return parser.parse_args()