diff --git a/ppocr/data/imaug/label_ops.py b/ppocr/data/imaug/label_ops.py
index 16659773ee27c9bb396fd684ce6bab5c8ef95083..e71019245ad61b6b3897f33d5e602c1d683512f5 100644
--- a/ppocr/data/imaug/label_ops.py
+++ b/ppocr/data/imaug/label_ops.py
@@ -95,7 +95,7 @@ class BaseRecLabelEncode(object):
         support_character_type = [
             'ch', 'en', 'EN_symbol', 'french', 'german', 'japan', 'korean',
             'EN', 'it', 'es', 'pt', 'ru', 'ar', 'ta', 'ug', 'fa', 'ur',
-            'rs_latin', 'oc', 'rs_cyrillic', 'bg', 'uk', 'be', 'te', 'ka',
+            'rs_latin', 'oc', 'rs_cyrillic', 'bg', 'uk', 'be', 'te', 'kn',
             'ch_tra', 'hi', 'mr', 'ne'
         ]
         assert character_type in support_character_type, "Only {} are supported now but get {}".format(
diff --git a/ppocr/postprocess/rec_postprocess.py b/ppocr/postprocess/rec_postprocess.py
index 6a8004e5e61ab26906482bcd1e7227c3eecc209f..b0517982f00ff7e283b613309b3676d793e8b7ad 100644
--- a/ppocr/postprocess/rec_postprocess.py
+++ b/ppocr/postprocess/rec_postprocess.py
@@ -27,7 +27,7 @@ class BaseRecLabelDecode(object):
         support_character_type = [
             'ch', 'en', 'EN_symbol', 'french', 'german', 'japan', 'korean',
             'it', 'es', 'pt', 'ru', 'ar', 'ta', 'ug', 'fa', 'ur', 'rs_latin',
-            'oc', 'rs_cyrillic', 'bg', 'uk', 'be', 'te', 'ka', 'ch_tra', 'hi',
+            'oc', 'rs_cyrillic', 'bg', 'uk', 'be', 'te', 'kn', 'ch_tra', 'hi',
             'mr', 'ne', 'EN'
         ]
         assert character_type in support_character_type, "Only {} are supported now but get {}".format(