diff --git a/paddlespeech/s2t/training/optimizer/adadelta.py b/paddlespeech/s2t/training/optimizer/adadelta.py
index 900b697c53b250109efdc39fdd0bd08b70d0f7f7..7c3950a90dbac6d2c70f0826324847128b1e9141 100644
--- a/paddlespeech/s2t/training/optimizer/adadelta.py
+++ b/paddlespeech/s2t/training/optimizer/adadelta.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import paddle
-from paddle.fluid import framework
+from paddle import framework
 from paddle.optimizer import Optimizer
 
 __all__ = []