diff --git a/tools/onnx2bnn/OnnxConverter.cpp b/tools/onnx2bnn/OnnxConverter.cpp
index ecdb78f..87c349e 100644
--- a/tools/onnx2bnn/OnnxConverter.cpp
+++ b/tools/onnx2bnn/OnnxConverter.cpp
@@ -59,8 +59,8 @@ void OnnxConverter::AddBinConv(const std::string &input_name,
     const auto param = flatbnn::CreateBinConv2DDirect(
         builder_, bin_name.c_str(), weight_name.c_str(), nullptr, &pads,
         &strides, &dilations, output_name.c_str());
-    const auto layer =
-        flatbnn::CreateLayer(builder_, flatbnn::LayerType::BinConv2D, 0, param);
+    const auto layer = flatbnn::CreateLayer(
+        builder_, flatbnn::LayerType::BinConv2D, 0, param);
     const auto flat_tensor = flatbnn::CreateTensorDirect(
         builder_, flatbnn::DataType::Bit, &bin_weight.data, nullptr,
         &bin_weight.shape, weight_name.c_str());
@@ -220,19 +220,17 @@ void OnnxConverter::Convert(const ONNX_NAMESPACE::ModelProto &model_proto,
     // Please check out "dabnn_*" pases in
     // https://github.com/daquexian/onnx/blob/optimizer_for_bnn/onnx/optimizer/passes
     // for details.
-    vector<string> optimizers{"eliminate_nop_pad",
-                              "extract_constant_to_initializer"
-                              "dabnn_bconv_strict"};
+    vector<string> optimizers{"eliminate_nop_pad", "dabnn_bconv_strict"};
     if (level == Level::kModerate || level == Level::kAggressive) {
         optimizers.push_back("dabnn_bconv_moderate");
     }
     if (level == Level::kAggressive) {
         optimizers.push_back("dabnn_bconv_aggressive");
     }
-    // model_proto is only used here. Please use the member variable
-    // model_proto_ in the following code
-    model_proto_ =
-        ONNX_NAMESPACE::optimization::Optimize(model_proto, optimizers);
+    // model_proto is only used here. Please use the member variable model_proto_
+    // in the following code
+    model_proto_ = ONNX_NAMESPACE::optimization::Optimize(
+        model_proto, optimizers);
 
     for (const auto &tensor : model_proto_.graph().initializer()) {
         if (tensor.data_type() == ONNX_NAMESPACE::TensorProto_DataType_FLOAT) {
@@ -549,8 +547,8 @@ void OnnxConverter::CalculateCoeff(const ONNX_NAMESPACE::NodeProto &node,
         coeff_b_data.push_back(b.data[i] - scale.data[i] * mean.data[i] / tmp);
     }
     for (const auto &node2 : model_proto_.graph().node()) {
-        if (node2.domain() == "dabnn" && node2.op_type() == "Conv" &&
-            node2.output(0) == node.input(0)) {
+        if (node2.domain() == "dabnn" && node2.op_type() == "Conv" 
+                && node2.output(0) == node.input(0)) {
             const auto &weight = onnx_float_tensors_[node2.input(1)];
             {
                 int channels = Shaper::onnx_kc(weight.shape);