diff --git a/icartt/__init__.py b/icartt/__init__.py
index 244119bc81c46e06d92839103486b54baf4cffcd..01b1aebbc02598aeebdb21e72a47633669be9aa0 100644
--- a/icartt/__init__.py
+++ b/icartt/__init__.py
@@ -1 +1 @@
-from .dataset import Dataset, StandardNormalComments
\ No newline at end of file
+from .dataset import Dataset, StandardNormalComments, Variable
\ No newline at end of file