diff --git a/tests/test_bert.py b/tests/bak_test_bert.py
similarity index 100%
rename from tests/test_bert.py
rename to tests/bak_test_bert.py
diff --git a/tests/test_glm_large_ch.py b/tests/bak_test_glm_large_ch.py
similarity index 100%
rename from tests/test_glm_large_ch.py
rename to tests/bak_test_glm_large_ch.py
diff --git a/tests/test_gpt2_ch.py b/tests/bak_test_gpt2_ch.py
similarity index 100%
rename from tests/test_gpt2_ch.py
rename to tests/bak_test_gpt2_ch.py
diff --git a/tests/test_t5_ch.py b/tests/bak_test_t5_ch.py
similarity index 100%
rename from tests/test_t5_ch.py
rename to tests/bak_test_t5_ch.py
diff --git a/tests/test_tokenizer.py b/tests/test_tokenizer.py
index 5de9e64c..7db668c9 100644
--- a/tests/test_tokenizer.py
+++ b/tests/test_tokenizer.py
@@ -8,7 +8,6 @@
 from flagai.data.tokenizer import T5BPETokenizer
 from flagai.data.tokenizer import ROBERTATokenizer
 from flagai.data.tokenizer import BertWordPieceTokenizer
-from flagai.data.tokenizer import CPMTokenizer
 from flagai.auto_model.auto_loader import AutoLoader
 
 class TokenizerTestCase(unittest.TestCase):