diff --git a/configs/rec/rec_resnet_stn_bilstm_att.yml b/configs/rec/rec_resnet_stn_bilstm_att.yml
index 0f599258d46e2ce89a6b7deccf8287a2ec0f7e4e..0bb90b35264b424c58a45685f5a2a066843298a6 100644
--- a/configs/rec/rec_resnet_stn_bilstm_att.yml
+++ b/configs/rec/rec_resnet_stn_bilstm_att.yml
@@ -75,7 +75,7 @@ Train:
           channel_first: False
       - SEEDLabelEncode: # Class handling label
       - RecResizeImg:
-          character_type: en
+          character_dict_path:
           image_shape: [3, 64, 256]
           padding: False
       - KeepKeys:
@@ -96,7 +96,7 @@ Eval:
           channel_first: False
       - SEEDLabelEncode: # Class handling label
       - RecResizeImg:
-          character_type: en
+          character_dict_path:
           image_shape: [3, 64, 256]
           padding: False
       - KeepKeys:
diff --git a/ppocr/data/imaug/label_ops.py b/ppocr/data/imaug/label_ops.py
index 0a4fad621a9038e71a9d43eb4e12f78e7e92d73d..79fffbd5e4921a1303ca39c93ea16464eea279a5 100644
--- a/ppocr/data/imaug/label_ops.py
+++ b/ppocr/data/imaug/label_ops.py
@@ -344,8 +344,12 @@ class SEEDLabelEncode(BaseRecLabelEncode):
             max_text_length, character_dict_path, use_space_char)
 
     def add_special_char(self, dict_character):
+        self.padding = "padding"
         self.end_str = "eos"
-        dict_character = dict_character + [self.end_str]
+        self.unknown = "unknown"
+        dict_character = dict_character + [
+            self.end_str, self.padding, self.unknown
+        ]
         return dict_character
 
     def __call__(self, data):
@@ -356,8 +360,8 @@ class SEEDLabelEncode(BaseRecLabelEncode):
         if len(text) >= self.max_text_len:
             return None
         data['length'] = np.array(len(text)) + 1  # conclude eos
-        text = text + [len(self.character) - 1] * (self.max_text_len - len(text)
-                                                   )
+        text = text + [len(self.character) - 3] + [len(self.character) - 2] * (
+            self.max_text_len - len(text) - 1)
         data['label'] = np.array(text)
         return data
 
diff --git a/ppocr/modeling/heads/rec_aster_head.py b/ppocr/modeling/heads/rec_aster_head.py
index 9240f002d3a8bcbde517142be6b45559430de610..c95e8fd31f84c26cf58f7fbbdaab6c825b10eea8 100644
--- a/ppocr/modeling/heads/rec_aster_head.py
+++ b/ppocr/modeling/heads/rec_aster_head.py
@@ -47,7 +47,7 @@ class AsterHead(nn.Layer):
         self.time_step = time_step
         self.embeder = Embedding(self.time_step, in_channels)
         self.beam_width = beam_width
-        self.eos = self.num_classes - 1
+        self.eos = self.num_classes - 3
 
     def forward(self, x, targets=None, embed=None):
         return_dict = {}
diff --git a/ppocr/postprocess/rec_postprocess.py b/ppocr/postprocess/rec_postprocess.py
index ef1a43fd0ee65f3e55a8f72dfd2f96c478da1a9a..caaa2948522cb6ea7ed74b8ab79a3d0b465059a3 100644
--- a/ppocr/postprocess/rec_postprocess.py
+++ b/ppocr/postprocess/rec_postprocess.py
@@ -287,9 +287,12 @@ class SEEDLabelDecode(BaseRecLabelDecode):
                                               use_space_char)
 
     def add_special_char(self, dict_character):
-        self.beg_str = "sos"
+        self.padding_str = "padding"
         self.end_str = "eos"
-        dict_character = dict_character + [self.end_str]
+        self.unknown = "unknown"
+        dict_character = dict_character + [
+            self.end_str, self.padding_str, self.unknown
+        ]
         return dict_character
 
     def get_ignored_tokens(self):