diff --git a/x2paddle/decoder/onnx_shape_inference.py b/x2paddle/decoder/onnx_shape_inference.py
index 303fc290deb6aef43cd8a9f6fd53078ff77d1564..dae2d0268a00dcac0b1d4a6c796f55431a985ad3 100644
--- a/x2paddle/decoder/onnx_shape_inference.py
+++ b/x2paddle/decoder/onnx_shape_inference.py
@@ -545,9 +545,6 @@ class SymbolicShapeInference:
                 self.sympy_data_[node.output[0]] = data
                 new_shape = np.array(data).shape
             vi = self.known_vi_[node.output[0]]
-            #print(node.output[0])
-            #print(new_shape)
-            #vi.CopyFrom(helper.make_tensor_value_info(node.output[0], self.known_vi_[node.input[0]].type.tensor_type.elem_type, list(new_shape)))
 
     def _pass_on_sympy_data(self, node):
         assert len(node.input) == 1 or node.op_type == 'Reshape'
@@ -854,12 +851,7 @@ class SymbolicShapeInference:
         axis = handle_negative_axis(
             get_attribute(node, 'axis', 0), len(data_shape))
         indices_shape = self._get_shape(node, 1)
-        #if indices_shape == []:
-        #    value = self._get_initializer_value(node, 1)
-        #    if isinstance(value.tolist(), int):
-        #        indices_shape = [1]
         new_shape = data_shape[:axis] + indices_shape + data_shape[axis + 1:]
-        #print(new_shape)
         vi = self.known_vi_[node.output[0]]
         vi.CopyFrom(
             helper.make_tensor_value_info(node.output[
diff --git a/x2paddle/op_mapper/paddle2onnx/opset9/paddle_custom_layer/yolo_box.py b/x2paddle/op_mapper/paddle2onnx/opset9/paddle_custom_layer/yolo_box.py
index 521804cda7ed7d89a6abcd97d921c12330297675..63f9a9d4e99f0e478609879edc550da0076e0c5b 100644
--- a/x2paddle/op_mapper/paddle2onnx/opset9/paddle_custom_layer/yolo_box.py
+++ b/x2paddle/op_mapper/paddle2onnx/opset9/paddle_custom_layer/yolo_box.py
@@ -769,7 +769,7 @@ def yolo_box(op, block):
         inputs=outputs_pred_box_x1_decode,
         outputs=outputs_pred_box_x1_clip,
         min=0.0,
-        max=MAX_FLOAT32)
+        max=float(MAX_FLOAT32))
     node_list.append(node_pred_box_x1_clip)
 
     node_pred_box_y1_clip = onnx.helper.make_node(
@@ -777,7 +777,7 @@ def yolo_box(op, block):
         inputs=outputs_pred_box_y1_decode,
         outputs=outputs_pred_box_y1_clip,
         min=0.0,
-        max=MAX_FLOAT32)
+        max=float(MAX_FLOAT32))
     node_list.append(node_pred_box_y1_clip)
 
     node_pred_box_x2_clip = onnx.helper.make_node(
@@ -785,7 +785,7 @@ def yolo_box(op, block):
         inputs=outputs_pred_box_x2_sub_w,
         outputs=outputs_pred_box_x2_clip,
         min=0.0,
-        max=MAX_FLOAT32)
+        max=float(MAX_FLOAT32))
     node_list.append(node_pred_box_x2_clip)
 
     node_pred_box_y2_clip = onnx.helper.make_node(
@@ -793,7 +793,7 @@ def yolo_box(op, block):
         inputs=outputs_pred_box_y2_sub_h,
         outputs=outputs_pred_box_y2_clip,
         min=0.0,
-        max=MAX_FLOAT32)
+        max=float(MAX_FLOAT32))
     node_list.append(node_pred_box_y2_clip)
 
     outputs_pred_box_x2_res = [model_name + "@box_x2_res"]