diff --git a/x2paddle/op_mapper/onnx2paddle/opset10.py b/x2paddle/op_mapper/onnx2paddle/opset10.py
index b27f697a6508c234691431a4a3622f60b3628e52..7ee80cb95923cef793a355609298b189f2eeed64 100644
--- a/x2paddle/op_mapper/onnx2paddle/opset10.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset10.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from .opset_legacy import OpSet
+from .opset9 import OpSet9
 
 
-class OpSet10(OpSet):
+class OpSet10(OpSet9):
     def __init__(self, decoder, paddle_graph):
         super(OpSet10, self).__init__(decoder, paddle_graph)
diff --git a/x2paddle/op_mapper/onnx2paddle/opset11.py b/x2paddle/op_mapper/onnx2paddle/opset11.py
index 8e57c462df9bb7159c7d7b31f235e189d122ecb4..79abda71e731a559779d2aba398b4aaccdece7c9 100644
--- a/x2paddle/op_mapper/onnx2paddle/opset11.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset11.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from .opset_legacy import OpSet
+from .opset10 import OpSet10
 
 
-class OpSet11(OpSet):
+class OpSet11(OpSet10):
     def __init__(self, decoder, paddle_graph):
         super(OpSet11, self).__init__(decoder, paddle_graph)
diff --git a/x2paddle/op_mapper/onnx2paddle/opset12.py b/x2paddle/op_mapper/onnx2paddle/opset12.py
index bcf94f222879901381b762024318019869919127..9d2127fac00fa5e67cb87261ecdd20b632dbcef5 100644
--- a/x2paddle/op_mapper/onnx2paddle/opset12.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset12.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from .opset_legacy import OpSet
+from .opset11 import OpSet11
 
 
-class OpSet12(OpSet):
+class OpSet12(OpSet11):
     def __init__(self, decoder, paddle_graph):
         super(OpSet12, self).__init__(decoder, paddle_graph)
diff --git a/x2paddle/op_mapper/onnx2paddle/opset13.py b/x2paddle/op_mapper/onnx2paddle/opset13.py
index 2b640a4c55b3ad585d2cbf4bf21ac33821227dad..f00df4df2b8749f7779a3cac595bbbd4250b8479 100644
--- a/x2paddle/op_mapper/onnx2paddle/opset13.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset13.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from .opset_legacy import OpSet
+from .opset12 import OpSet12
 
 
-class OpSet13(OpSet):
+class OpSet13(OpSet12):
     def __init__(self, decoder, paddle_graph):
         super(OpSet13, self).__init__(decoder, paddle_graph)
diff --git a/x2paddle/op_mapper/onnx2paddle/opset14.py b/x2paddle/op_mapper/onnx2paddle/opset14.py
index dedfc7fe3f88ffa640a54fff6875e74028b30a3c..324083c965194fa58723b83dd4725d3fdad0efcb 100644
--- a/x2paddle/op_mapper/onnx2paddle/opset14.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset14.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from .opset_legacy import OpSet
+from .opset13 import OpSet13
 
 
-class OpSet14(OpSet):
+class OpSet14(OpSet13):
     def __init__(self, decoder, paddle_graph):
         super(OpSet14, self).__init__(decoder, paddle_graph)
diff --git a/x2paddle/op_mapper/onnx2paddle/opset15.py b/x2paddle/op_mapper/onnx2paddle/opset15.py
index 67bdc00161c4483a5c1ae2e4a600f8aba885570f..7dfba30c4952d31d88cbca02c6ff32bfd3a73943 100644
--- a/x2paddle/op_mapper/onnx2paddle/opset15.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset15.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from .opset_legacy import OpSet
+from .opset14 import OpSet14
 
 
-class OpSet15(OpSet):
+class OpSet15(OpSet14):
     def __init__(self, decoder, paddle_graph):
         super(OpSet15, self).__init__(decoder, paddle_graph)
diff --git a/x2paddle/op_mapper/onnx2paddle/opset8.py b/x2paddle/op_mapper/onnx2paddle/opset8.py
index e59cbc000b1dd13a1ec5412c82bbf457e7bdbbbd..b0208df45dc35e21efb5e183cc9aee0831c75853 100644
--- a/x2paddle/op_mapper/onnx2paddle/opset8.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset8.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from .opset_legacy import OpSet
+from .opset7 import OpSet7
 
 
-class OpSet8(OpSet):
+class OpSet8(OpSet7):
     def __init__(self, decoder, paddle_graph):
         super(OpSet8, self).__init__(decoder, paddle_graph)
diff --git a/x2paddle/op_mapper/onnx2paddle/opset9.py b/x2paddle/op_mapper/onnx2paddle/opset9.py
index a67821b7eaa56ea71e092fde23d28888a485171b..95dd9cf5b7db3aab1d174d76306209441dfd4ecc 100644
--- a/x2paddle/op_mapper/onnx2paddle/opset9.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset9.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from .opset_legacy import OpSet
+from .opset8 import OpSet8
 
 
-class OpSet9(OpSet):
+class OpSet9(OpSet8):
     def __init__(self, decoder, paddle_graph):
         super(OpSet9, self).__init__(decoder, paddle_graph)