diff --git a/source/source_base/module_device/memory_op.cpp b/source/source_base/module_device/memory_op.cpp
index da22bc2ce6..51ff26de4b 100644
--- a/source/source_base/module_device/memory_op.cpp
+++ b/source/source_base/module_device/memory_op.cpp
@@ -452,7 +452,7 @@ struct resize_memory_op_mt<FPTYPE, base_device::DEVICE_CPU>
         {
             mtfunc::free_ht(arr);
         }
-        arr = (FPTYPE*)mtfunc::malloc_ht(sizeof(FPTYPE) * size, GlobalV::MY_RANK);
+        arr = (FPTYPE*)mtfunc::malloc_ht(sizeof(FPTYPE) * size, GlobalV::MY_RANK % 4);
         std::string record_string;
         if (record_in != nullptr)
         {
diff --git a/source/source_base/module_external/blas_connector_matrix.cpp b/source/source_base/module_external/blas_connector_matrix.cpp
index de1e839ad0..cdaddc0b77 100644
--- a/source/source_base/module_external/blas_connector_matrix.cpp
+++ b/source/source_base/module_external/blas_connector_matrix.cpp
@@ -30,7 +30,7 @@ void BlasConnector::gemm(const char transa, const char transb, const int m, cons
 	else if (device_type == base_device::AbacusDevice_t::DspDevice){
 		mtfunc::sgemm_mth_(&transb, &transa, &n, &m, &k,
 		&alpha, b, &ldb, a, &lda,
-		&beta, c, &ldc, GlobalV::MY_RANK);
+		&beta, c, &ldc, GlobalV::MY_RANK % 4);
 	}
 #endif
 #ifdef __CUDA
@@ -67,7 +67,7 @@ void BlasConnector::gemm(const char transa,
 #ifdef __DSP
     else if (device_type == base_device::AbacusDevice_t::DspDevice)
     {
-        mtfunc::dgemm_mth_(&transb, &transa, &n, &m, &k, &alpha, b, &ldb, a, &lda, &beta, c, &ldc, GlobalV::MY_RANK);
+        mtfunc::dgemm_mth_(&transb, &transa, &n, &m, &k, &alpha, b, &ldb, a, &lda, &beta, c, &ldc, GlobalV::MY_RANK % 4);
     }
 #endif
     else if (device_type == base_device::AbacusDevice_t::GpuDevice)
@@ -106,7 +106,7 @@ void BlasConnector::gemm(const char transa,
 #ifdef __DSP
     else if (device_type == base_device::AbacusDevice_t::DspDevice)
     {
-        mtfunc::cgemm_mth_(&transb, &transa, &n, &m, &k, &alpha, b, &ldb, a, &lda, &beta, c, &ldc, GlobalV::MY_RANK);
+        mtfunc::cgemm_mth_(&transb, &transa, &n, &m, &k, &alpha, b, &ldb, a, &lda, &beta, c, &ldc, GlobalV::MY_RANK % 4);
     }
 #endif
     else if (device_type == base_device::AbacusDevice_t::GpuDevice)
@@ -157,7 +157,7 @@ void BlasConnector::gemm(const char transa,
 #ifdef __DSP
     else if (device_type == base_device::AbacusDevice_t::DspDevice)
     {
-        mtfunc::zgemm_mth_(&transb, &transa, &n, &m, &k, &alpha, b, &ldb, a, &lda, &beta, c, &ldc, GlobalV::MY_RANK);
+        mtfunc::zgemm_mth_(&transb, &transa, &n, &m, &k, &alpha, b, &ldb, a, &lda, &beta, c, &ldc, GlobalV::MY_RANK % 4);
     }
 #endif
     else if (device_type == base_device::AbacusDevice_t::GpuDevice)
@@ -200,7 +200,7 @@ void BlasConnector::gemm_cm(const char transa, const char transb, const int m, c
 	else if (device_type == base_device::AbacusDevice_t::DspDevice){
 		mtfunc::sgemm_mth_(&transb, &transa, &m, &n, &k,
 		&alpha, a, &lda, b, &ldb,
-		&beta, c, &ldc, GlobalV::MY_RANK);
+		&beta, c, &ldc, GlobalV::MY_RANK % 4);
 	}
 #endif
 #ifdef __CUDA
@@ -237,7 +237,7 @@ void BlasConnector::gemm_cm(const char transa,
 #ifdef __DSP
     else if (device_type == base_device::AbacusDevice_t::DspDevice)
     {
-        mtfunc::dgemm_mth_(&transa, &transb, &m, &n, &k, &alpha, a, &lda, b, &ldb, &beta, c, &ldc, GlobalV::MY_RANK);
+        mtfunc::dgemm_mth_(&transa, &transb, &m, &n, &k, &alpha, a, &lda, b, &ldb, &beta, c, &ldc, GlobalV::MY_RANK % 4);
     }
 #endif
 #ifdef __CUDA
@@ -276,7 +276,7 @@ void BlasConnector::gemm_cm(const char transa,
 #ifdef __DSP
     else if (device_type == base_device::AbacusDevice_t::DspDevice)
     {
-        mtfunc::cgemm_mth_(&transa, &transb, &m, &n, &k, &alpha, a, &lda, b, &ldb, &beta, c, &ldc, GlobalV::MY_RANK);
+        mtfunc::cgemm_mth_(&transa, &transb, &m, &n, &k, &alpha, a, &lda, b, &ldb, &beta, c, &ldc, GlobalV::MY_RANK % 4);
     }
 #endif
 #ifdef __CUDA
@@ -327,7 +327,7 @@ void BlasConnector::gemm_cm(const char transa,
 #ifdef __DSP
     else if (device_type == base_device::AbacusDevice_t::DspDevice)
     {
-        mtfunc::zgemm_mth_(&transa, &transb, &m, &n, &k, &alpha, a, &lda, b, &ldb, &beta, c, &ldc, GlobalV::MY_RANK);
+        mtfunc::zgemm_mth_(&transa, &transb, &m, &n, &k, &alpha, a, &lda, b, &ldb, &beta, c, &ldc, GlobalV::MY_RANK % 4);
     }
 #endif
 #ifdef __CUDA
diff --git a/source/source_base/module_fft/fft_dsp.cpp b/source/source_base/module_fft/fft_dsp.cpp
index 0350556be9..4535e0d76e 100644
--- a/source/source_base/module_fft/fft_dsp.cpp
+++ b/source/source_base/module_fft/fft_dsp.cpp
@@ -14,7 +14,7 @@ void FFT_DSP<double>::initfft(int nx_in, int ny_in, int nz_in)
     this->nx = nx_in;
     this->ny = ny_in;
     this->nz = nz_in;
-    cluster_id = GlobalV::MY_RANK;
+    cluster_id = GlobalV::MY_RANK % 4;
     nxyz = this->nx * this->ny * this->nz;
 }
 template <>
diff --git a/source/source_main/driver_run.cpp b/source/source_main/driver_run.cpp
index eb04ae588a..50eb11631c 100644
--- a/source/source_main/driver_run.cpp
+++ b/source/source_main/driver_run.cpp
@@ -129,7 +129,7 @@ void Driver::init_hardware()
 
 #ifdef __DSP
     std::cout << " ** Initializing DSP Hardware..." << std::endl;
-    mtfunc::dspInitHandle(GlobalV::MY_RANK);
+    mtfunc::dspInitHandle(GlobalV::MY_RANK % 4);
 #endif
 }