diff --git a/src/fpga/V2/api.cpp b/src/fpga/V2/api.cpp
index daf8c72b8338d483dc4401c713fa7956e1b2bc1b..8010e43a61c8f8d1b5fb00370b987ab14cbf2727 100644
--- a/src/fpga/V2/api.cpp
+++ b/src/fpga/V2/api.cpp
@@ -146,11 +146,11 @@ int format_conv_data(framework::Tensor *filter_tensor,
 }
 
 int format_fc_data(framework::Tensor *filter_tensor,
-                   framework::Tensor *ofm_tensor, float *bs_ptr) {
+                   framework::Tensor *ofm_tensor, float **bs_ptr) {
   float max_value = fpga::filter_find_max(filter_tensor);
   fpga::format_fc_filter(filter_tensor, max_value);
   int aligned_num = get_aligned_filter_num(filter_tensor);
-  fpga::format_bias_scale_array(&bs_ptr,
+  fpga::format_bias_scale_array(bs_ptr,
                                 (int)filter_tensor->dims()[0],  // NOLINT
                                 aligned_num);
   int aligned_channel = fpga::get_conv_output_channel(filter_tensor);
diff --git a/src/fpga/V2/api.h b/src/fpga/V2/api.h
index 59c1b006183e4355ebe9316766773215b6edf12f..7f87f158a82a2ab666afa3ef35d6ad3b417cad9a 100644
--- a/src/fpga/V2/api.h
+++ b/src/fpga/V2/api.h
@@ -41,7 +41,7 @@ void format_concat_output(framework::Tensor* out, int height, int width,
 int format_conv_data(framework::Tensor* filter_tensor,
                      framework::Tensor* ofm_tensor, float** bs_ptr, int group);
 int format_fc_data(framework::Tensor* filter_tensor,
-                   framework::Tensor* ofm_tensor, float* bs_ptr);
+                   framework::Tensor* ofm_tensor, float** bs_ptr);
 void fill_split_arg(struct SplitConvArgs* arg, framework::Tensor* input,
                     framework::Tensor* out, framework::Tensor* filter,
                     bool relu_enabled, int group_num, int stride_h,
diff --git a/src/operators/kernel/fpga/V2/fusion_fc_kernel.cpp b/src/operators/kernel/fpga/V2/fusion_fc_kernel.cpp
index 589c21d667f39e24e8f62abafd38ab30523dd2de..8d24c44340a29f934749e6e68f22b9fb43f3610f 100644
--- a/src/operators/kernel/fpga/V2/fusion_fc_kernel.cpp
+++ b/src/operators/kernel/fpga/V2/fusion_fc_kernel.cpp
@@ -47,7 +47,7 @@ bool FusionFcKernel<FPGA, float>::Init(FusionFcParam<FPGA> *param) {
 
   out->Resize(framework::make_ddim({1, channel, 1, 1}));
   filter->Resize(framework::make_ddim({num, filter_channel, height, width}));
-  fpga::format_fc_data(filter, out, bs_ptr);
+  fpga::format_fc_data(filter, out, &bs_ptr);
 
   fpga::SplitConvArgs conv_arg = {0};
   fpga::fill_split_arg(&conv_arg, input_x, out, filter, relu_enabled, 1, 1, 1,