diff --git a/source/module_base/module_device/rocm/memory_op.hip.cu b/source/module_base/module_device/rocm/memory_op.hip.cu
index 678acbc048..1909cfb771 100644
--- a/source/module_base/module_device/rocm/memory_op.hip.cu
+++ b/source/module_base/module_device/rocm/memory_op.hip.cu
@@ -219,6 +219,8 @@ template struct cast_memory_op<std::complex<double>,
                                std::complex<float>,
                                base_device::DEVICE_GPU,
                                base_device::DEVICE_GPU>;
+template struct cast_memory_op<std::complex<float>, float, base_device::DEVICE_GPU, base_device::DEVICE_GPU>;
+template struct cast_memory_op<std::complex<double>, double, base_device::DEVICE_GPU, base_device::DEVICE_GPU>;
 template struct cast_memory_op<float, float, base_device::DEVICE_GPU, base_device::DEVICE_CPU>;
 template struct cast_memory_op<double, double, base_device::DEVICE_GPU, base_device::DEVICE_CPU>;
 template struct cast_memory_op<float, double, base_device::DEVICE_GPU, base_device::DEVICE_CPU>;
diff --git a/source/module_basis/module_pw/CMakeLists.txt b/source/module_basis/module_pw/CMakeLists.txt
index 78f9824d8b..a95eca4917 100644
--- a/source/module_basis/module_pw/CMakeLists.txt
+++ b/source/module_basis/module_pw/CMakeLists.txt
@@ -10,7 +10,7 @@ if (USE_CUDA)
 endif()
 if (USE_ROCM)
   list (APPEND FFT_SRC
-    module_fft/fft_rcom.cpp
+    module_fft/fft_rocm.cpp
   )
 endif()
 
diff --git a/source/module_basis/module_pw/module_fft/fft_bundle.cpp b/source/module_basis/module_pw/module_fft/fft_bundle.cpp
index 31d29c32f9..a7be7d988d 100644
--- a/source/module_basis/module_pw/module_fft/fft_bundle.cpp
+++ b/source/module_basis/module_pw/module_fft/fft_bundle.cpp
@@ -6,7 +6,7 @@
 #include "fft_cuda.h"
 #endif
 #if defined(__ROCM)
-#include "fft_rcom.h"
+#include "fft_rocm.h"
 #endif
 
 template<typename FFT_BASE, typename... Args>
@@ -89,9 +89,9 @@ void FFT_Bundle::initfft(int nx_in,
     if (device=="gpu")
     {
         #if defined(__ROCM)
-            fft_float = new FFT_RCOM<float>();
+            fft_float = make_unique<FFT_ROCM<float>>();
             fft_float->initfft(nx_in,ny_in,nz_in);
-            fft_double = new FFT_RCOM<double>();
+            fft_double = make_unique<FFT_ROCM<double>>();
             fft_double->initfft(nx_in,ny_in,nz_in);
         #elif defined(__CUDA)
             fft_float = make_unique<FFT_CUDA<float>>();
diff --git a/source/module_basis/module_pw/module_fft/fft_rcom.cpp b/source/module_basis/module_pw/module_fft/fft_rocm.cpp
similarity index 76%
rename from source/module_basis/module_pw/module_fft/fft_rcom.cpp
rename to source/module_basis/module_pw/module_fft/fft_rocm.cpp
index 225a6aae7a..9973c72901 100644
--- a/source/module_basis/module_pw/module_fft/fft_rcom.cpp
+++ b/source/module_basis/module_pw/module_fft/fft_rocm.cpp
@@ -1,10 +1,10 @@
-#include "fft_rcom.h"
+#include "fft_rocm.h"
 #include "module_base/module_device/memory_op.h"
 #include "module_hamilt_pw/hamilt_pwdft/global.h"
 namespace ModulePW
 {
 template <typename FPTYPE>
-void FFT_RCOM<FPTYPE>::initfft(int nx_in, 
+void FFT_ROCM<FPTYPE>::initfft(int nx_in, 
                                int ny_in, 
                                int nz_in)
 {
@@ -13,20 +13,20 @@ void FFT_RCOM<FPTYPE>::initfft(int nx_in,
     this->nz = nz_in;
 }
 template <>
-void FFT_RCOM<float>::setupFFT()
+void FFT_ROCM<float>::setupFFT()
 {
     hipfftPlan3d(&c_handle, this->nx, this->ny, this->nz, HIPFFT_C2C);
     resmem_cd_op()(gpu_ctx, this->c_auxr_3d, this->nx * this->ny * this->nz);
         
 }
 template <>  
-void FFT_RCOM<double>::setupFFT()
+void FFT_ROCM<double>::setupFFT()
 {
     hipfftPlan3d(&z_handle, this->nx, this->ny, this->nz, HIPFFT_Z2Z);
     resmem_zd_op()(gpu_ctx, this->z_auxr_3d, this->nx * this->ny * this->nz);
 }
 template <>
-void FFT_RCOM<float>::cleanFFT()
+void FFT_ROCM<float>::cleanFFT()
 {
     if (c_handle)
     {
@@ -35,7 +35,7 @@ void FFT_RCOM<float>::cleanFFT()
     }
 }
 template <>
-void FFT_RCOM<double>::cleanFFT()
+void FFT_ROCM<double>::cleanFFT()
 {
     if (z_handle)
     {
@@ -44,7 +44,7 @@ void FFT_RCOM<double>::cleanFFT()
     }
 }
 template <>
-void FFT_RCOM<float>::clear()
+void FFT_ROCM<float>::clear()
 {
     this->cleanFFT();
     if (c_auxr_3d != nullptr)
@@ -54,7 +54,7 @@ void FFT_RCOM<float>::clear()
     }
 }
 template <>
-void FFT_RCOM<double>::clear()
+void FFT_ROCM<double>::clear()
 {
     this->cleanFFT();
     if (z_auxr_3d != nullptr)
@@ -64,7 +64,7 @@ void FFT_RCOM<double>::clear()
     }
 }
 template <>
-void FFT_RCOM<float>::fft3D_forward(std::complex<float>* in, 
+void FFT_ROCM<float>::fft3D_forward(std::complex<float>* in, 
                                     std::complex<float>* out) const
 {
     CHECK_CUFFT(hipfftExecC2C(this->c_handle, 
@@ -73,7 +73,7 @@ void FFT_RCOM<float>::fft3D_forward(std::complex<float>* in,
                               HIPFFT_FORWARD));
 }
 template <>
-void FFT_RCOM<double>::fft3D_forward(std::complex<double>* in, 
+void FFT_ROCM<double>::fft3D_forward(std::complex<double>* in, 
                                      std::complex<double>* out) const
 {
     CHECK_CUFFT(hipfftExecZ2Z(this->z_handle, 
@@ -82,7 +82,7 @@ void FFT_RCOM<double>::fft3D_forward(std::complex<double>* in,
                               HIPFFT_FORWARD));
 }
 template <>
-void FFT_RCOM<float>::fft3D_backward(std::complex<float>* in, 
+void FFT_ROCM<float>::fft3D_backward(std::complex<float>* in, 
                                      std::complex<float>* out) const
 {
     CHECK_CUFFT(hipfftExecC2C(this->c_handle, 
@@ -91,7 +91,7 @@ void FFT_RCOM<float>::fft3D_backward(std::complex<float>* in,
                               HIPFFT_BACKWARD));
 }
 template <>
-void FFT_RCOM<double>::fft3D_backward(std::complex<double>* in, 
+void FFT_ROCM<double>::fft3D_backward(std::complex<double>* in, 
                                       std::complex<double>* out) const
 {
     CHECK_CUFFT(hipfftExecZ2Z(this->z_handle, 
@@ -100,7 +100,11 @@ void FFT_RCOM<double>::fft3D_backward(std::complex<double>* in,
                               HIPFFT_BACKWARD));
 }
 template <> std::complex<float>* 
-FFT_RCOM<float>::get_auxr_3d_data()  const {return this->c_auxr_3d;}
+FFT_ROCM<float>::get_auxr_3d_data()  const {return this->c_auxr_3d;}
 template <> std::complex<double>* 
-FFT_RCOM<double>::get_auxr_3d_data() const {return this->z_auxr_3d;}
+FFT_ROCM<double>::get_auxr_3d_data() const {return this->z_auxr_3d;}
+template FFT_ROCM<float>::FFT_ROCM();
+template FFT_ROCM<float>::~FFT_ROCM();
+template FFT_ROCM<double>::FFT_ROCM();
+template FFT_ROCM<double>::~FFT_ROCM();
 }// namespace ModulePW
\ No newline at end of file
diff --git a/source/module_basis/module_pw/module_fft/fft_rcom.h b/source/module_basis/module_pw/module_fft/fft_rocm.h
similarity index 92%
rename from source/module_basis/module_pw/module_fft/fft_rcom.h
rename to source/module_basis/module_pw/module_fft/fft_rocm.h
index 64ad13329e..2d2cbd0c21 100644
--- a/source/module_basis/module_pw/module_fft/fft_rcom.h
+++ b/source/module_basis/module_pw/module_fft/fft_rocm.h
@@ -57,9 +57,5 @@ class FFT_ROCM : public FFT_BASE<FPTYPE>
         mutable std::complex<double>* z_auxr_3d = nullptr; // fft space
 
 };
-template FFT_RCOM<float>::FFT_RCOM();
-template FFT_ROCM<float>::~FFT_ROCM();
-template FFT_RCOM<double>::FFT_RCOM();
-template FFT_ROCM<double>::~FFT_ROCM();
 }// namespace ModulePW
 #endif