diff --git a/x2paddle/op_mapper/onnx_directly_map.py b/x2paddle/op_mapper/onnx_directly_map.py
index 57067dd6715856bb6794f568b9f57301b9abe5f9..1f9f665c0143ae29c2360d2b9220ea9b101362a3 100644
--- a/x2paddle/op_mapper/onnx_directly_map.py
+++ b/x2paddle/op_mapper/onnx_directly_map.py
@@ -77,6 +77,7 @@ default_op_mapping = {
     'Softmax': ['softmax', ['X'], ['Out'],
                 dict(), dict(axis=1)],
     'Sqrt': ['sqrt', ['X'], ['Out']],
+    'Floor': ['floor', ['X'], ['Out']],
 }
 
 default_ioa_constraint = {