diff --git a/src/operators/kernel/fpga/conv_add_bn_kernel.cpp b/src/operators/kernel/fpga/conv_add_bn_kernel.cpp
index 089fec9aeaee198e6dbc0bf732b061fe014ed66b..74080e6b0541a068956f031f984eea9ac0160b2d 100644
--- a/src/operators/kernel/fpga/conv_add_bn_kernel.cpp
+++ b/src/operators/kernel/fpga/conv_add_bn_kernel.cpp
@@ -24,7 +24,7 @@ template <>
 bool ConvAddBNKernel<FPGA, float>::Init(FusionConvAddBNParam<FPGA> *param) {
   bool relu_enabled = false;
   Tensor *input = const_cast<Tensor *>(param->Input());
-  auto input_ptr = input->data<half>();
+  auto input_ptr = input->data<float>();
   const Tensor *bias = param->Bias();
   auto bias_ptr = bias->data<float>();
   Tensor *filter = param->Filter();
@@ -61,14 +61,14 @@ bool ConvAddBNKernel<FPGA, float>::Init(FusionConvAddBNParam<FPGA> *param) {
 
   float max_value = fpga::filter_find_max(filter);
   fpga::format_filter(filter, max_value, param->Groups());
-  auto filter_ptr = filter->data<int8_t>();
+  auto filter_ptr = filter->data<float>();
 
   int element_num_per_div =
       fpga::get_element_num_per_div(filter, param->Groups());
   fpga::format_bias_scale_array(&bs_ptr, element_num_per_div, channel);
 
   fpga::format_ofm(out);
-  auto out_ptr = out->mutable_data<half>();
+  auto out_ptr = out->mutable_data<float>();
 
   fpga::ConvArgs convArgs;
   convArgs.relu_enabled = relu_enabled;
diff --git a/src/operators/kernel/fpga/conv_add_bn_relu_kernel.cpp b/src/operators/kernel/fpga/conv_add_bn_relu_kernel.cpp
index 030dfcad9ac0a1cb93f7be626e59adbfc1630052..c5d3c7ae5da758e7ca8ae30bc9c9d7352c007260 100644
--- a/src/operators/kernel/fpga/conv_add_bn_relu_kernel.cpp
+++ b/src/operators/kernel/fpga/conv_add_bn_relu_kernel.cpp
@@ -24,7 +24,7 @@ bool ConvAddBNReluKernel<FPGA, float>::Init(
     FusionConvAddBNReluParam<FPGA> *param) {
   bool relu_enabled = true;
   Tensor *input = const_cast<Tensor *>(param->Input());
-  auto input_ptr = input->data<half>();
+  auto input_ptr = input->data<float>();
   const Tensor *bias = param->Bias();
   auto bias_ptr = bias->data<float>();
   Tensor *filter = param->Filter();
@@ -58,14 +58,14 @@ bool ConvAddBNReluKernel<FPGA, float>::Init(
 
   float max_value = fpga::filter_find_max(filter);
   fpga::format_filter(filter, max_value, param->Groups());
-  auto filter_ptr = filter->data<int8_t>();
+  auto filter_ptr = filter->data<float>();
 
   int element_num_per_div =
       fpga::get_element_num_per_div(filter, param->Groups());
   fpga::format_bias_scale_array(&bs_ptr, element_num_per_div, channel);
 
   fpga::format_ofm(out);
-  auto out_ptr = out->mutable_data<half>();
+  auto out_ptr = out->mutable_data<float>();
 
   fpga::ConvArgs convArgs;
   convArgs.relu_enabled = relu_enabled;
diff --git a/src/operators/kernel/fpga/conv_add_relu_kernel.cpp b/src/operators/kernel/fpga/conv_add_relu_kernel.cpp
index 81fc42980c17acea0f051d9dc548fd5e4c602bd5..7c2e627ab2b64cec5a66b57f84ca6de448b4c37d 100644
--- a/src/operators/kernel/fpga/conv_add_relu_kernel.cpp
+++ b/src/operators/kernel/fpga/conv_add_relu_kernel.cpp
@@ -23,7 +23,7 @@ template <>
 bool ConvAddReluKernel<FPGA, float>::Init(FusionConvAddReluParam<FPGA> *param) {
   bool relu_enabled = true;
   Tensor *input = const_cast<Tensor *>(param->Input());
-  auto input_ptr = input->data<half>();
+  auto input_ptr = input->data<float>();
   const Tensor *bias = param->Bias();
   auto bias_ptr = bias->data<float>();
   Tensor *filter = param->Filter();
@@ -40,14 +40,14 @@ bool ConvAddReluKernel<FPGA, float>::Init(FusionConvAddReluParam<FPGA> *param) {
 
   float max_value = fpga::filter_find_max(filter);
   fpga::format_filter(filter, max_value, param->Groups());
-  auto filter_ptr = filter->data<int8_t>();
+  auto filter_ptr = filter->data<float>();
 
   int element_num_per_div =
       fpga::get_element_num_per_div(filter, param->Groups());
   fpga::format_bias_scale_array(&bs_ptr, element_num_per_div, channel);
 
   fpga::format_ofm(out);
-  auto out_ptr = out->mutable_data<half>();
+  auto out_ptr = out->mutable_data<float>();
 
   fpga::ConvArgs convArgs;
   convArgs.relu_enabled = relu_enabled;
diff --git a/src/operators/kernel/fpga/conv_bn_kernel.cpp b/src/operators/kernel/fpga/conv_bn_kernel.cpp
index 997c0a754404bcda6334e8f9d068243bfd7102b0..9a296244bf1de110b655ae4ebd3bde36cee5fe0d 100644
--- a/src/operators/kernel/fpga/conv_bn_kernel.cpp
+++ b/src/operators/kernel/fpga/conv_bn_kernel.cpp
@@ -24,7 +24,7 @@ template <>
 bool ConvBNKernel<FPGA, float>::Init(FusionConvBNParam<FPGA> *param) {
   bool relu_enabled = false;
   Tensor *input = const_cast<Tensor *>(param->Input());
-  auto input_ptr = input->data<half>();
+  auto input_ptr = input->data<float>();
   Tensor *filter = param->Filter();
 
   Tensor *out = param->Output();
@@ -56,14 +56,14 @@ bool ConvBNKernel<FPGA, float>::Init(FusionConvBNParam<FPGA> *param) {
 
   float max_value = fpga::filter_find_max(filter);
   fpga::format_filter(filter, max_value, param->Groups());
-  auto filter_ptr = filter->data<int8_t>();
+  auto filter_ptr = filter->data<float>();
 
   int element_num_per_div =
       fpga::get_element_num_per_div(filter, param->Groups());
   fpga::format_bias_scale_array(&bs_ptr, element_num_per_div, channel);
 
   fpga::format_ofm(out);
-  auto out_ptr = out->mutable_data<half>();
+  auto out_ptr = out->mutable_data<float>();
 
   fpga::ConvArgs convArgs;
   convArgs.relu_enabled = relu_enabled;
diff --git a/src/operators/kernel/fpga/conv_bn_relu_kernel.cpp b/src/operators/kernel/fpga/conv_bn_relu_kernel.cpp
index e0865b4a7cfcf0422393ee56fb4f4d370eb9abcf..68a9202f2b9a8a965277807bbdce48c3d07c2c43 100644
--- a/src/operators/kernel/fpga/conv_bn_relu_kernel.cpp
+++ b/src/operators/kernel/fpga/conv_bn_relu_kernel.cpp
@@ -23,7 +23,7 @@ template <>
 bool ConvBNReluKernel<FPGA, float>::Init(FusionConvBNReluParam<FPGA> *param) {
   bool relu_enabled = true;
   Tensor *input = const_cast<Tensor *>(param->Input());
-  auto input_ptr = input->data<half>();
+  auto input_ptr = input->data<float>();
   Tensor *filter = param->Filter();
   Tensor *out = param->Output();
   auto bn_mean_ptr = param->InputMean()->data<float>();
@@ -33,7 +33,6 @@ bool ConvBNReluKernel<FPGA, float>::Init(FusionConvBNReluParam<FPGA> *param) {
   const float epsilon = param->Epsilon();
   PADDLE_MOBILE_ENFORCE(out->dims()[1] == param->InputBias()->dims()[0],
                         "Output channel should be equal to bias number");
-
   const int channel = out->dims()[1];
   float *bs_ptr = (float *)fpga::fpga_malloc(2 * channel * sizeof(float));
   Tensor *new_scale = new Tensor();
@@ -53,14 +52,14 @@ bool ConvBNReluKernel<FPGA, float>::Init(FusionConvBNReluParam<FPGA> *param) {
 
   float max_value = fpga::filter_find_max(filter);
   fpga::format_filter(filter, max_value, param->Groups());
-  auto filter_ptr = filter->data<int8_t>();
+  auto filter_ptr = filter->data<float>();
 
   int element_num_per_div =
       fpga::get_element_num_per_div(filter, param->Groups());
   fpga::format_bias_scale_array(&bs_ptr, element_num_per_div, channel);
 
   fpga::format_ofm(out);
-  auto out_ptr = out->mutable_data<half>();
+  auto out_ptr = out->mutable_data<float>();
 
   fpga::ConvArgs convArgs;
   convArgs.relu_enabled = relu_enabled;
diff --git a/src/operators/kernel/fpga/elementwise_add_relu_kernel.cpp b/src/operators/kernel/fpga/elementwise_add_relu_kernel.cpp
index 573e15a80bda57ebf5217d4f47ead5d2d5165688..5323796080073dd97b1eb06a0a0c7d8e5d8d824e 100644
--- a/src/operators/kernel/fpga/elementwise_add_relu_kernel.cpp
+++ b/src/operators/kernel/fpga/elementwise_add_relu_kernel.cpp
@@ -25,10 +25,10 @@ bool ElementwiseAddReluKernel<FPGA, float>::Init(
   Tensor *input_x = const_cast<Tensor *>(param->InputX());
   Tensor *input_y = const_cast<Tensor *>(param->InputY());
   Tensor *out = param->Out();
-  auto input_x_ptr = input_x->data<half>();
-  auto input_y_ptr = input_y->data<half>();
+  auto input_x_ptr = input_x->data<float>();
+  auto input_y_ptr = input_y->data<float>();
   fpga::format_ofm(out);
-  auto out_ptr = out->mutable_data<half>();
+  auto out_ptr = out->mutable_data<float>();
 
   fpga::EWAddArgs ewaddArgs;
   ewaddArgs.relu_enabled = relu_enabled;
diff --git a/src/operators/kernel/fpga/fc_relu_kernel.cpp b/src/operators/kernel/fpga/fc_relu_kernel.cpp
index 1065eea0160066cbe9f1efcc0131cc45f08378d6..57db757d734bab9fceb1af2845936170b41d185c 100644
--- a/src/operators/kernel/fpga/fc_relu_kernel.cpp
+++ b/src/operators/kernel/fpga/fc_relu_kernel.cpp
@@ -23,7 +23,7 @@ template <>
 bool FusionFcReluKernel<FPGA, float>::Init(FusionFcReluParam<FPGA> *param) {
   bool relu_enabled = true;
   Tensor *input_x = const_cast<Tensor *>(param->InputX());
-  auto input_x_ptr = input_x->data<half>();
+  auto input_x_ptr = input_x->data<float>();
   Tensor *input_y = param->InputY();
   const Tensor *input_z = param->InputZ();
   auto input_z_ptr = input_z->data<float>();
@@ -50,13 +50,13 @@ bool FusionFcReluKernel<FPGA, float>::Init(FusionFcReluParam<FPGA> *param) {
   input_y->Resize(framework::make_ddim({num, filter_channel, height, width}));
   float max_value = fpga::filter_find_max(input_y);
   fpga::format_filter(input_y, max_value, 1);
-  auto input_y_ptr = input_y->data<int8_t>();
+  auto input_y_ptr = input_y->data<float>();
 
   int element_num_per_div = fpga::get_element_num_per_div(input_y, 1);
   fpga::format_bias_scale_array(&bs_ptr, element_num_per_div, channel);
 
   fpga::format_ofm(out);
-  auto out_ptr = out->mutable_data<half>();
+  auto out_ptr = out->mutable_data<float>();
 
   fpga::ConvArgs convArgs;
   convArgs.relu_enabled = relu_enabled;
diff --git a/src/operators/kernel/fpga/fusion_fc_kernel.cpp b/src/operators/kernel/fpga/fusion_fc_kernel.cpp
index 7a83fa65980a3055ea8b80caa8ca83caf750e8cc..3254b8cf5dd84ab339a373233278fae4101a15cf 100644
--- a/src/operators/kernel/fpga/fusion_fc_kernel.cpp
+++ b/src/operators/kernel/fpga/fusion_fc_kernel.cpp
@@ -22,7 +22,7 @@ template <>
 bool FusionFcKernel<FPGA, float>::Init(FusionFcParam<FPGA> *param) {
   bool relu_enabled = false;
   Tensor *input_x = const_cast<Tensor *>(param->InputX());
-  auto input_x_ptr = input_x->data<half>();
+  auto input_x_ptr = input_x->data<float>();
   Tensor *input_y = param->InputY();
   const Tensor *input_z = param->InputZ();
   auto input_z_ptr = input_z->data<float>();
@@ -45,17 +45,13 @@ bool FusionFcKernel<FPGA, float>::Init(FusionFcParam<FPGA> *param) {
   int height = input_x->dims()[2];
   int width = input_x->dims()[3];
   int filter_channel = chw / height / width;
-
   input_y->Resize(framework::make_ddim({num, filter_channel, height, width}));
   float max_value = fpga::filter_find_max(input_y);
   fpga::format_filter(input_y, max_value, 1);
-  auto input_y_ptr = input_y->data<int8_t>();
-
+  auto input_y_ptr = input_y->data<float>();
   int element_num_per_div = fpga::get_element_num_per_div(input_y, 1);
   fpga::format_bias_scale_array(&bs_ptr, element_num_per_div, channel);
-
-  fpga::format_ofm(out);
-  auto out_ptr = out->mutable_data<half>();
+  auto out_ptr = out->mutable_data<float>();
 
   fpga::ConvArgs convArgs;
   convArgs.relu_enabled = relu_enabled;
diff --git a/src/operators/kernel/fpga/pool_kernel.cpp b/src/operators/kernel/fpga/pool_kernel.cpp
index 98c8da84d7875e1ffe5d6127b6bbc49ac907f923..e8c40086c459998eab0e1997125dc9c64574c8f2 100644
--- a/src/operators/kernel/fpga/pool_kernel.cpp
+++ b/src/operators/kernel/fpga/pool_kernel.cpp
@@ -22,10 +22,10 @@ namespace operators {
 template <>
 bool PoolKernel<FPGA, float>::Init(PoolParam<FPGA> *param) {
   Tensor *input = const_cast<Tensor *>(param->Input());
-  auto input_ptr = input->data<half>();
+  auto input_ptr = input->data<float>();
   Tensor *output = param->Output();
   fpga::format_ofm(output);
-  auto output_ptr = output->mutable_data<half>();
+  auto output_ptr = output->mutable_data<float>();
   vector<int> ksize = param->Ksize();
   vector<int> strides = param->Strides();
   vector<int> paddings = param->Paddings();
diff --git a/src/operators/kernel/fpga/softmax_kernel.cpp b/src/operators/kernel/fpga/softmax_kernel.cpp
index 1c609431310b1399e0427326d5237368e649c14c..d8159acf1ca0420db8b26656571826be30538e80 100644
--- a/src/operators/kernel/fpga/softmax_kernel.cpp
+++ b/src/operators/kernel/fpga/softmax_kernel.cpp
@@ -25,19 +25,19 @@ namespace operators {
 template <>
 bool SoftmaxKernel<FPGA, float>::Init(SoftmaxParam<FPGA> *param) {
   const Tensor *input = param->InputX();
-  if (input->type() == typeid(half)) {
-    auto input_ptr = input->data<half>();
-    auto output_ptr = param->Out();
-    fpga::BypassArgs args;
-    args.convert_type = fpga::DATA_FP16_TO_FP32;
-    args.layout_type = fpga::LAYOUT_HWC_TO_CHW;
-    args.image.address = (void *)(input_ptr);
-    args.image.height = input->dims()[0];
-    args.image.width = input->dims()[1];
-    args.image.channels = 1;
-    args.output.address = output_ptr;
-    param->SetFpgaArgs(args);
-  }
+
+  auto input_ptr = input->data<float>();
+  auto output = param->Out();
+  auto output_ptr = output->mutable_data<float>();
+  fpga::BypassArgs args;
+  args.convert_type = fpga::DATA_FP16_TO_FP32;
+  args.layout_type = fpga::LAYOUT_NO_CONVERT;
+  args.image.address = (void *)(input_ptr);
+  args.image.height = input->dims()[0];
+  args.image.width = input->dims()[1];
+  args.image.channels = 1;
+  args.output.address = output_ptr;
+  param->SetFpgaArgs(args);
 
   return true;
 }