diff --git a/qlib/contrib/estimator/handler.py b/qlib/data/dataset/handler.py
similarity index 100%
rename from qlib/contrib/estimator/handler.py
rename to qlib/data/dataset/handler.py
diff --git a/qlib/contrib/model/__init__.py b/qlib/model/__init__.py
similarity index 100%
rename from qlib/contrib/model/__init__.py
rename to qlib/model/__init__.py
diff --git a/qlib/contrib/model/base.py b/qlib/model/base.py
similarity index 100%
rename from qlib/contrib/model/base.py
rename to qlib/model/base.py
diff --git a/qlib/contrib/model/gbdt.py b/qlib/model/gbdt.py
similarity index 100%
rename from qlib/contrib/model/gbdt.py
rename to qlib/model/gbdt.py
diff --git a/qlib/contrib/model/pytorch_nn.py b/qlib/model/pytorch_nn.py
similarity index 100%
rename from qlib/contrib/model/pytorch_nn.py
rename to qlib/model/pytorch_nn.py