diff --git a/tools/layers_validate.py b/tools/layers_validate.py
index 8b8b29289dd751c7ddf07f131dbe360283a19eae..893db5e4b4188433f733d24c7cc64a881a55b91b 100644
--- a/tools/layers_validate.py
+++ b/tools/layers_validate.py
@@ -70,31 +70,36 @@ def convert(model_file, output_dir, layers):
     with open(model_file, "rb") as f:
         net_def.ParseFromString(f.read())
 
-    quantize_flag = ConverterUtil.get_arg(
+    is_quantize = ConverterUtil.get_arg(
         net_def, MaceKeyword.mace_quantize_flag_arg_str)
-    quantize_flag = False if quantize_flag is None else quantize_flag.i == 1
-    hexagon_flag = False
+    is_quantize = False if is_quantize is None else is_quantize.i == 1
+    is_hexagon = False
     index = 0
     end_index = len(net_def.op)
-    if quantize_flag:
+    if is_quantize:
         while index < end_index:
             # omit op quantize
             if net_def.op[index].type == MaceOp.Quantize.name or \
                     net_def.op[index].type == \
-                    HexagonOp.QuantizeINPUT_f_to_8.name:
+                    HexagonOp.QuantizeINPUT_f_to_8.name or \
+                    net_def.op[index].type == HexagonOp.INPUT.name:
                 index += 1
             # omit op dequantize
             elif net_def.op[end_index - 1].type == MaceOp.Dequantize.name or \
                     net_def.op[end_index - 1].type == \
-                    HexagonOp.DequantizeOUTPUT_8tof.name:
+                    HexagonOp.DequantizeOUTPUT_8tof.name or \
+                    net_def.op[end_index - 1].type == HexagonOp.OUTPUT.name:
+
                 end_index -= 1
             else:
                 break
         mace_check(0 < index < end_index < len(net_def.op),
                    "Wrong number of op quantize(%d) or dequantize(%d)." %
                    (index, len(net_def.op) - end_index))
-        if net_def.op[-1].type == HexagonOp.DequantizeOUTPUT_8tof.name:
-            hexagon_flag = True
+        if net_def.op[-1].type == HexagonOp.DequantizeOUTPUT_8tof.name or \
+                net_def.op[-1].type == HexagonOp.OUTPUT.name:
+            is_hexagon = True
+
     # omit original output
     end_index -= 1
 
@@ -112,7 +117,7 @@ def convert(model_file, output_dir, layers):
             index += 1
             continue
         net = copy.deepcopy(net_def)
-        if hexagon_flag:
+        if is_hexagon:
             # reuse dequantize op and it's min/max tensor's node_id
             del net.op[index+1:-1]
         else:
@@ -124,9 +129,9 @@ def convert(model_file, output_dir, layers):
         output_tensors = []
         output_shapes = []
         op_name = op.name
-        if quantize_flag:
+        if is_quantize:
             op.name = MaceKeyword.mace_output_node_name + '_' + op.name
-        if hexagon_flag:
+        if is_hexagon:
             mace_check(len(op.output) == 1,
                        "Only supports number of outputs of Hexagon op be 1.")
         for i in range(len(op.output)):
@@ -139,13 +144,15 @@ def convert(model_file, output_dir, layers):
             output_info.data_format = data_format
             output_info.dims.extend(op.output_shape[i].dims)
             output_info.data_type = mace_pb2.DT_FLOAT
+            output_info.scale = op.quantize_info[0].scale
+            output_info.zero_point = op.quantize_info[0].zero_point
             # modify output op
-            if quantize_flag:
+            if is_quantize:
                 output_name = op.output[i]
                 new_output_name = \
                     MaceKeyword.mace_output_node_name + '_' + op.output[i]
                 op.output[i] = new_output_name
-                if not hexagon_flag:
+                if not is_hexagon:
                     dequantize_op = net.op.add()
                     dequantize_op.name = normalize_op_name(output_name)
                     dequantize_op.type = MaceOp.Dequantize.name
@@ -162,14 +169,18 @@ def convert(model_file, output_dir, layers):
                     del dequantize_op.input[:]
                     del dequantize_op.output[:]
                     dequantize_op.input.append(new_output_name)
-                    dequantize_op.output.append(output_name)
-                    input_min = new_output_name[:-1] + '1'
-                    input_max = new_output_name[:-1] + '2'
-                    dequantize_op.input.extend([input_min, input_max])
                     dequantize_op.node_input[0].node_id = op.node_id
-                    dequantize_op.node_input[1].node_id = op.node_id
-                    dequantize_op.node_input[2].node_id = op.node_id
-                    del dequantize_op.node_input[3:]
+                    dequantize_op.output.append(output_name)
+                    if dequantize_op.type == \
+                            HexagonOp.DequantizeOUTPUT_8tof.name:
+                        input_min = new_output_name[:-1] + '1'
+                        input_max = new_output_name[:-1] + '2'
+                        dequantize_op.input.extend([input_min, input_max])
+                        dequantize_op.node_input[1].node_id = op.node_id
+                        dequantize_op.node_input[2].node_id = op.node_id
+                        del dequantize_op.node_input[3:]
+                    else:
+                        del dequantize_op.node_input[1:]
 
         model_path = save_model_to_proto(net, normalize_op_name(op_name),
                                          output_dir)
diff --git a/tools/python/transform/transformer.py b/tools/python/transform/transformer.py
index a080c12e904a1e21fd4340313773b976b785a53d..0d8d58cf4f9689c9ffb9007c916505c664c303de 100644
--- a/tools/python/transform/transformer.py
+++ b/tools/python/transform/transformer.py
@@ -939,8 +939,11 @@ class Transformer(base_converter.ConverterInterface):
                         # update output shape
                         conv_op.output_shape[0].dims[:] = \
                             b2s_op.output_shape[0].dims[:]
+                        conv_op.output[0] = b2s_op.output[0]
+                        conv_op.name = b2s_op.name
 
                         self.safe_remove_node(op, None)
+                        self.replace_quantize_info(b2s_op, conv_op)
                         self.safe_remove_node(b2s_op, conv_op)
                         return True
         return False