diff --git a/algorithm/common_det/cuda/common_det_cuda_impl.cpp b/algorithm/common_det/cuda/common_det_cuda_impl.cpp
index 11b24a4..40056ea 100644
--- a/algorithm/common_det/cuda/common_det_cuda_impl.cpp
+++ b/algorithm/common_det/cuda/common_det_cuda_impl.cpp
@@ -1,6 +1,7 @@
 #include "common_det_cuda_impl.h"
 #include <cmath>
 #include <fstream>
+#include <iostream>
 #include "sv_util.h"
 
 #define SV_MODEL_DIR "/SpireCV/models/"
@@ -366,7 +367,7 @@ bool CommonObjectDetectorCUDAImpl::cudaSetup(CommonObjectDetectorBase* base_, bo
   std::string model = base_->getModel();
   int bs = base_->getBatchSize();
   char bs_c[8];
-  itoa(bs, bs_c, 10);
+  sprintf(bs_c, "%d", bs);
   std::string bs_s(bs_c);
 
   std::string engine_fn = get_home() + SV_MODEL_DIR + dataset + ".engine";
@@ -449,17 +450,5 @@ bool CommonObjectDetectorCUDAImpl::cudaSetup(CommonObjectDetectorBase* base_, bo
   return false;
 }
 
-
-
-
-
-
-
-
-
-
-
-
-
 }