diff --git a/x2paddle/op_mapper/paddle2onnx/opset9/opset.py b/x2paddle/op_mapper/paddle2onnx/opset9/opset.py
index 14cba9a4f422cd042cb06e33a4f678291d74a564..89c6525953208d247307ebcfa17781bbd438f164 100644
--- a/x2paddle/op_mapper/paddle2onnx/opset9/opset.py
+++ b/x2paddle/op_mapper/paddle2onnx/opset9/opset.py
@@ -174,14 +174,15 @@ class OpSet9(object):
                 inputs=[op.input('X')[0], temp_value],
                 outputs=op.output('Out'))
             return [shape_node, y_node, node]
-        elif len(x_shape) == len(y_shape):
+        elif axis == -1 or axis == (len(x_shape) - 1
+                                    ) or len(x_shape) == len(y_shape):
             node = helper.make_node(
                 'Add',
                 inputs=[op.input('X')[0], op.input('Y')[0]],
                 outputs=op.output('Out'))
             return node
         else:
-            raise Excpetion("Unexpected situation happend in elementwise_add")
+            raise Exception("Unexpected situation happend in elementwise_add")
 
     def elementwise_sub(self, op, block):
         axis = op.attr('axis')
@@ -203,14 +204,15 @@ class OpSet9(object):
                 inputs=[op.input('X')[0], temp_value],
                 outputs=op.output('Out'))
             return [shape_node, y_node, node]
-        elif len(x_shape) == len(y_shape):
+        elif axis == -1 or axis == (len(x_shape) - 1
+                                    ) or len(x_shape) == len(y_shape):
             node = helper.make_node(
                 'Sub',
                 inputs=[op.input('X')[0], op.input('Y')[0]],
                 outputs=op.output('Out'))
             return node
         else:
-            raise Excpetion("Unexpected situation happend in elementwise_sub")
+            raise Exception("Unexpected situation happend in elementwise_sub")
 
     def pool2d(self, op, block):
         pool_type = {
@@ -565,7 +567,7 @@ class OpSet9(object):
         input_shape = block.vars[op.input('X')[0]].shape
         if op.attr('align_corners') or op.attr('align_mode') == 0:
             raise Exception(
-                "Resize in onnx(opset<=10) only support coordinate_transformation_mode: 'asymmetric', Try converting with --onnx_opest 11"
+                "Resize in onnx(opset<=10) only support coordinate_transformation_mode: 'asymmetric', Try converting with --onnx_opset 11"
             )
         if ('OutSize' in input_names and len(op.input('OutSize')) > 0) or (
                 'SizeTensor' in input_names and
@@ -763,14 +765,15 @@ class OpSet9(object):
                 inputs=[op.input('X')[0], temp_value],
                 outputs=op.output('Out'))
             return [shape_node, y_node, node]
-        elif len(x_shape) == len(y_shape):
+        elif axis == -1 or axis == (len(x_shape) - 1
+                                    ) or len(x_shape) == len(y_shape):
             node = helper.make_node(
                 'Mul',
                 inputs=[op.input('X')[0], op.input('Y')[0]],
                 outputs=op.output('Out'))
             return node
         else:
-            raise Excpetion("Unexpected situation happend in elementwise_add")
+            raise Exception("Unexpected situation happend in elementwise_mul")
         return node
 
     def feed(self, op, block):