diff --git a/fastdeploy/backends/lite/lite_backend.cc b/fastdeploy/backends/lite/lite_backend.cc
index 04f139256..7e3e09f8d 100755
--- a/fastdeploy/backends/lite/lite_backend.cc
+++ b/fastdeploy/backends/lite/lite_backend.cc
@@ -206,24 +206,24 @@ bool LiteBackend::Infer(std::vector<FDTensor>& inputs,
     // Adjust dims only, allocate lazy. 
     tensor->Resize(inputs[i].shape); 
     if (inputs[i].dtype == FDDataType::FP32) {
-      tensor->CopyFromCpu<float, paddle::lite_api::TargetType::kARM>(
+      tensor->CopyFromCpu<float, paddle::lite_api::TargetType::kHost>(
         reinterpret_cast<const float*>(const_cast<void*>(
         inputs[i].CpuData())));
     } else if (inputs[i].dtype == FDDataType::INT32) {
-      tensor->CopyFromCpu<int, paddle::lite_api::TargetType::kARM>(
+      tensor->CopyFromCpu<int, paddle::lite_api::TargetType::kHost>(
         reinterpret_cast<const int*>(const_cast<void*>(
         inputs[i].CpuData())));
     } else if (inputs[i].dtype == FDDataType::INT8) {
-      tensor->CopyFromCpu<int8_t, paddle::lite_api::TargetType::kARM>(
+      tensor->CopyFromCpu<int8_t, paddle::lite_api::TargetType::kHost>(
         reinterpret_cast<const int8_t*>(const_cast<void*>(
         inputs[i].CpuData())));
     } else if (inputs[i].dtype == FDDataType::UINT8) {
-      tensor->CopyFromCpu<uint8_t, paddle::lite_api::TargetType::kARM>(
+      tensor->CopyFromCpu<uint8_t, paddle::lite_api::TargetType::kHost>(
         reinterpret_cast<const uint8_t*>(const_cast<void*>(
         inputs[i].CpuData())));
     } else if (inputs[i].dtype == FDDataType::INT64) {
 #ifdef __aarch64__      
-      tensor->CopyFromCpu<int64_t, paddle::lite_api::TargetType::kARM>(
+      tensor->CopyFromCpu<int64_t, paddle::lite_api::TargetType::kHost>(
         reinterpret_cast<const int64_t*>(const_cast<void*>(
         inputs[i].CpuData())));
 #else 
diff --git a/fastdeploy/pybind/main.cc.in b/fastdeploy/pybind/main.cc.in
index 97aafc64a..1b227edc6 100644
--- a/fastdeploy/pybind/main.cc.in
+++ b/fastdeploy/pybind/main.cc.in
@@ -35,6 +35,8 @@ pybind11::dtype FDDataTypeToNumpyDataType(const FDDataType& fd_dtype) {
     dt = pybind11::dtype::of<double>();
   } else if (fd_dtype == FDDataType::UINT8) {
     dt = pybind11::dtype::of<uint8_t>();
+  } else if (fd_dtype == FDDataType::INT8) {
+    dt = pybind11::dtype::of<int8_t>();
   } else if (fd_dtype == FDDataType::FP16) {
     dt = pybind11::dtype::of<float16>();
   } else {
@@ -55,12 +57,14 @@ FDDataType NumpyDataTypeToFDDataType(const pybind11::dtype& np_dtype) {
     return FDDataType::FP64;
   } else if (np_dtype.is(pybind11::dtype::of<uint8_t>())) {
     return FDDataType::UINT8;
+  } else if (np_dtype.is(pybind11::dtype::of<int8_t>())) {
+    return FDDataType::INT8;
   } else if (np_dtype.is(pybind11::dtype::of<float16>())) {
     return FDDataType::FP16;
   }
   FDASSERT(false,
            "NumpyDataTypeToFDDataType() only support "
-           "int32/int64/float32/float64/float16 now.");
+           "int8/int32/int64/float32/float64/float16 now.");
   return FDDataType::FP32;
 }
 
diff --git a/fastdeploy/pybind/main.h b/fastdeploy/pybind/main.h
index 471579ab1..c0ea4497a 100644
--- a/fastdeploy/pybind/main.h
+++ b/fastdeploy/pybind/main.h
@@ -67,9 +67,11 @@ FDDataType CTypeToFDDataType() {
     return FDDataType::FP32;
   } else if (std::is_same<T, double>::value) {
     return FDDataType::FP64;
+  } else if (std::is_same<T, int8_t>::value) {
+    return FDDataType::INT8;
   }
-  FDASSERT(false,
-           "CTypeToFDDataType only support int32/int64/float32/float64 now.");
+  FDASSERT(false, "CTypeToFDDataType only support "
+           "int8/int32/int64/float32/float64 now.");
   return FDDataType::FP32;
 }