diff --git a/examples/industrial_data_pretraining/sense_voice/demo.py b/examples/industrial_data_pretraining/sense_voice/demo.py
index 642e82501..7a15cf2c8 100644
--- a/examples/industrial_data_pretraining/sense_voice/demo.py
+++ b/examples/industrial_data_pretraining/sense_voice/demo.py
@@ -20,7 +20,7 @@ model = AutoModel(
 res = model.generate(
     input=f"{model.model_path}/example/en.mp3",
     cache={},
-    language="auto",  # "zn", "en", "yue", "ja", "ko", "nospeech"
+    language="auto",  # "zh", "en", "yue", "ja", "ko", "nospeech"
     use_itn=True,
     batch_size_s=60,
     merge_vad=True,  #
@@ -33,7 +33,7 @@ print(text)
 res = model.generate(
     input=f"{model.model_path}/example/en.mp3",
     cache={},
-    language="auto",  # "zn", "en", "yue", "ja", "ko", "nospeech"
+    language="auto",  # "zh", "en", "yue", "ja", "ko", "nospeech"
     use_itn=True,
     batch_size_s=60,
     merge_vad=True,  #
@@ -48,7 +48,7 @@ print(text)
 res = model.generate(
     input=f"{model.model_path}/example/zh.mp3",
     cache={},
-    language="auto",  # "zn", "en", "yue", "ja", "ko", "nospeech"
+    language="auto",  # "zh", "en", "yue", "ja", "ko", "nospeech"
     use_itn=True,
     batch_size_s=60,
     merge_vad=True,  #
@@ -61,7 +61,7 @@ print(text)
 res = model.generate(
     input=f"{model.model_path}/example/zh.mp3",
     cache={},
-    language="auto",  # "zn", "en", "yue", "ja", "ko", "nospeech"
+    language="auto",  # "zh", "en", "yue", "ja", "ko", "nospeech"
     use_itn=True,
     batch_size_s=60,
     merge_vad=True,  #
@@ -76,7 +76,7 @@ print(text)
 res = model.generate(
     input=f"{model.model_path}/example/yue.mp3",
     cache={},
-    language="auto",  # "zn", "en", "yue", "ja", "ko", "nospeech"
+    language="auto",  # "zh", "en", "yue", "ja", "ko", "nospeech"
     use_itn=True,
     batch_size_s=60,
     merge_vad=True,  #
@@ -89,7 +89,7 @@ print(text)
 res = model.generate(
     input=f"{model.model_path}/example/ja.mp3",
     cache={},
-    language="auto",  # "zn", "en", "yue", "ja", "ko", "nospeech"
+    language="auto",  # "zh", "en", "yue", "ja", "ko", "nospeech"
     use_itn=True,
     batch_size_s=60,
     merge_vad=True,  #
@@ -103,7 +103,7 @@ print(text)
 res = model.generate(
     input=f"{model.model_path}/example/ko.mp3",
     cache={},
-    language="auto",  # "zn", "en", "yue", "ja", "ko", "nospeech"
+    language="auto",  # "zh", "en", "yue", "ja", "ko", "nospeech"
     use_itn=True,
     batch_size_s=60,
     merge_vad=True,  #