diff --git a/x2paddle/op_mapper/dygraph/onnx2paddle/opset9/opset.py b/x2paddle/op_mapper/dygraph/onnx2paddle/opset9/opset.py
index f87ea2c7c78e484f4601c7aa89340f6ea8ab2c68..5d7c5160007c7880812dc84569660bf91272f324 100644
--- a/x2paddle/op_mapper/dygraph/onnx2paddle/opset9/opset.py
+++ b/x2paddle/op_mapper/dygraph/onnx2paddle/opset9/opset.py
@@ -42,6 +42,15 @@ def _const_weight_or_none(node, necessary=False):
     return None
 
 
+def rename_or_remove_weight(weights, origin_name, target_name=None):
+    if origin_name not in weights:
+        raise KeyError('{} not a key in {}'.format(origin_name, weights))
+    if target_name is None:
+        # remove weight
+        weights.pop(origin_name)
+    # rename weight
+    weights[target_name] = weights.pop(origin_name)
+
 def _is_static_shape(shape):
     negtive_dims = 0
     error_dims = 0
@@ -1320,10 +1329,16 @@ class OpSet9():
         epsilon = node.get_attr('epsilon', 1e-5)
         c = val_x.out_shapes[0][1]
 
-        self.weights[op_name + '.weight'] =  self.weights[val_scale.name]
-        self.weights[op_name + '.bias'] =  self.weights[val_b.name]
-        self.weights[op_name + '._variance'] =  self.weights[val_var.name]
-        self.weights[op_name + '._mean'] =  self.weights[val_mean.name]
+        _rename_or_remove_weight(self.weights, val_scale.name, op_name+'.weight')
+        _rename_or_remove_weight(self.weights, val_b.name, op_name+'.bias')
+        _rename_or_remove_weight(self.weights, val_var.name, op_name+'._variance')
+        _rename_or_remove_weight(self.weights, val_mean.name, op_name+'._mean')
+
+        #self.weights[op_name + '.weight'] =  self.weights[val_scale.name]
+        #self.weights[op_name + '.bias'] =  self.weights[val_b.name]
+        #self.weights[op_name + '._variance'] =  self.weights[val_var.name]
+        #self.weights[op_name + '._mean'] =  self.weights[val_mean.name]
+
         # Attribute: spatial is used in BatchNormalization-1,6,7
         spatial = bool(node.get_attr('spatial'))
         layer_attrs = {
@@ -1395,11 +1410,13 @@ class OpSet9():
         else:
             if mode == 'channel':
                 slope_data = _const_weight_or_none(val_slope)
+                _rename_or_remove_weight(self.weights, val_slope.name)
                 if len(shape_slope) > 1:
                     self.weights[op_name+'._weight'] = np.reshape(slope_data, shape_slope[0])
                 num_parameters = val_x.out_shapes[0][1]
             else:
                 num_parameters = 1
+                _rename_or_remove_weight(self.weights, val_slope.name)
                 self.weights[op_name+'._weight'] = np.reshape(self.weights[val_slope.name], [1])
             self.paddle_graph.add_layer(
                 "paddle.nn.PReLU", 
@@ -1687,13 +1704,15 @@ class OpSet9():
         while val_w_name in self.done_weight_list:
             val_w_name += "__repeat"
         self.done_weight_list.append(val_w_name)
-        self.weights[op_name + '.weight'] = self.weights[val_w.name]
+        #self.weights[op_name + '.weight'] = self.weights[val_w.name]
+        _rename_or_remove_weight(self.weights, val_w.name, op_name+'.weight')
         if has_bias:
             val_b_name = val_b.name
             while val_b_name in self.done_weight_list:
                 val_b_name += "__repeat"
             self.done_weight_list.append(val_b_name)
-            self.weights[op_name + '.bias'] = self.weights[val_b.name]
+            #self.weights[op_name + '.bias'] = self.weights[val_b.name]
+            _rename_or_remove_weight(self.weights, val_b.name, op_name+'.bias')
         else:
             layer_attrs["bias_attr"] = False
         input_shape = val_x.out_shapes[0]
@@ -1761,9 +1780,11 @@ class OpSet9():
             "groups": num_groups,
             "output_padding":out_padding}
             
-        self.weights[op_name + '.weight'] = self.weights[val_w.name]
+        #self.weights[op_name + '.weight'] = self.weights[val_w.name]
+        _rename_or_remove_weight(self.weights, val_w.name, op_name+'.weight',)
         if val_b is not None:
-            self.weights[op_name + '.bias'] = self.weights[val_b.name]
+            #self.weights[op_name + '.bias'] = self.weights[val_b.name]
+            _rename_or_remove_weight(self.weights, val_b.name, op_name+'.bias')
         self.paddle_graph.add_layer(
             kernel=paddle_op,
             inputs=inputs_dict,
@@ -1881,10 +1902,13 @@ class OpSet9():
                 )
 
         input_weight_np = _const_weight_or_none(input_weight)
+        _rename_or_remove_weight(self.weights, input_weight.name)
         hidden_size = node.get_attr('hidden_size', input_weight_np.shape[1]/4)
         input_size = input_weight_np.shape[2]
         hidden_weight_np = _const_weight_or_none(hidden_weight)
+        _rename_or_remove_weight(self.weights, hidden_weight.name)
         bias_np = _const_weight_or_none(bias)
+        _rename_or_remove_weight(self.weights, bias.name)
         input_bias_np = bias_np[:, :4*hidden_size]
         hidden_bias_np = bias_np[:, 4*hidden_size:]