diff --git a/fastNLP/__init__.py b/fastNLP/__init__.py
index b856faff..915e382d 100644
--- a/fastNLP/__init__.py
+++ b/fastNLP/__init__.py
@@ -1,3 +1,3 @@
 
 from fastNLP.envs import *
-from fastNLP.core import Trainer, Evaluator
\ No newline at end of file
+from fastNLP.core import *
\ No newline at end of file