diff --git a/algorithm/mot/sv_mot.cpp b/algorithm/mot/sv_mot.cpp
index 7496f8f..5d886fd 100644
--- a/algorithm/mot/sv_mot.cpp
+++ b/algorithm/mot/sv_mot.cpp
@@ -225,7 +225,7 @@ void SORT::update(TargetsInFrame& tgts)
     }
     else
     {
-        cout<<"frame id:"<<tgts.frame_id<<endl;
+        // cout << "frame id:" << tgts.frame_id << endl;
         for (int i=0; i<tgts.targets.size(); i++)
         {
             tgts.targets[i].tracked_id = 0;
@@ -278,10 +278,10 @@ void SORT::update(TargetsInFrame& tgts)
         std::vector <vector<double>> ().swap(iouMatrix);
         for (int i=0; i<tgts.targets.size(); i++)
         { 
-            //cout<<"match_det: index: "<<i<<" value: "<<match_det[i]<<endl;
+            // cout << "match_det: index: " << i << " value: " << match_det[i] << endl;
             if (match_det[i] == -1)
             {
-                cout<<"create new tracklet."<<endl;
+                // cout << "create new tracklet." << endl;
                 sv::Box box;
                 tgts.targets[i].getBox(box);
                 Tracklet tracklet;
diff --git a/models-converting.sh b/models-converting.sh
deleted file mode 100755
index 6e08d2b..0000000
--- a/models-converting.sh
+++ /dev/null
@@ -1,41 +0,0 @@
-#!/bin/bash -e
-export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
-
-root_dir=${HOME}"/SpireCV/models"
-
-
-coco_model1="COCO-yolov5s.wts"
-coco_model2="COCO-yolov5s6.wts"
-coco_model3="COCO-yolov5s-seg.wts"
-coco_model1_fn=${root_dir}/${coco_model1}
-coco_model2_fn=${root_dir}/${coco_model2}
-coco_model3_fn=${root_dir}/${coco_model3}
-
-drone_model1="Drone-yolov5s-ap935-v230302.wts"
-drone_model2="Drone-yolov5s6-ap949-v230302.wts"
-drone_model1_fn=${root_dir}/${drone_model1}
-drone_model2_fn=${root_dir}/${drone_model2}
-
-personcar_model1="PersonCar-yolov5s-ap606-v230306.wts"
-personcar_model2="PersonCar-yolov5s6-ap702-v230306.wts"
-personcar_model1_fn=${root_dir}/${personcar_model1}
-personcar_model2_fn=${root_dir}/${personcar_model2}
-
-landing_model1="LandingMarker-resnet34-v230228.onnx"
-landing_model1_fn=${root_dir}/${landing_model1}
-
-SpireCVDet -s ${coco_model1_fn} ${root_dir}/COCO.engine 80 s
-SpireCVDet -s ${coco_model2_fn} ${root_dir}/COCO_HD.engine 80 s6
-SpireCVSeg -s ${coco_model3_fn} ${root_dir}/COCO_SEG.engine 80 s
-
-SpireCVDet -s ${drone_model1_fn} ${root_dir}/Drone.engine 1 s
-SpireCVDet -s ${drone_model2_fn} ${root_dir}/Drone_HD.engine 1 s6
-
-SpireCVDet -s ${personcar_model1_fn} ${root_dir}/PersonCar.engine 8 s
-SpireCVDet -s ${personcar_model2_fn} ${root_dir}/PersonCar_HD.engine 8 s6
-
-cd /usr/src/tensorrt/bin/
-./trtexec --explicitBatch --onnx=${landing_model1_fn} --saveEngine=${root_dir}/LandingMarker.engine --fp16
-
-echo "export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH" >> ~/.bashrc
-
diff --git a/models-downloading.sh b/models-downloading.sh
deleted file mode 100755
index f884534..0000000
--- a/models-downloading.sh
+++ /dev/null
@@ -1,107 +0,0 @@
-#!/bin/bash -e
-
-root_dir=${HOME}"/SpireCV/models"
-root_server="https://download.amovlab.com/model"
-
-sv_params1=${HOME}"/SpireCV/sv_algorithm_params.json"
-sv_params2=${HOME}"/SpireCV/sv_algorithm_params_coco_640.json"
-sv_params3=${HOME}"/SpireCV/sv_algorithm_params_coco_1280.json"
-camera_params1=${HOME}"/SpireCV/calib_webcam_640x480.yaml"
-camera_params2=${HOME}"/SpireCV/calib_webcam_1280x720.yaml"
-
-coco_model1="COCO-yolov5s.wts"
-coco_model2="COCO-yolov5s6.wts"
-coco_model3="COCO-yolov5s-seg.wts"
-coco_model1_fn=${root_dir}/${coco_model1}
-coco_model2_fn=${root_dir}/${coco_model2}
-coco_model3_fn=${root_dir}/${coco_model3}
-
-drone_model1="Drone-yolov5s-ap935-v230302.wts"
-drone_model2="Drone-yolov5s6-ap949-v230302.wts"
-drone_model1_fn=${root_dir}/${drone_model1}
-drone_model2_fn=${root_dir}/${drone_model2}
-
-personcar_model1="PersonCar-yolov5s-ap606-v230306.wts"
-personcar_model2="PersonCar-yolov5s6-ap702-v230306.wts"
-personcar_model1_fn=${root_dir}/${personcar_model1}
-personcar_model2_fn=${root_dir}/${personcar_model2}
-
-track_model1="dasiamrpn_model.onnx"
-track_model2="dasiamrpn_kernel_cls1.onnx"
-track_model3="dasiamrpn_kernel_r1.onnx"
-track_model4="nanotrack_backbone_sim.onnx"
-track_model5="nanotrack_head_sim.onnx"
-track_model1_fn=${root_dir}/${track_model1}
-track_model2_fn=${root_dir}/${track_model2}
-track_model3_fn=${root_dir}/${track_model3}
-track_model4_fn=${root_dir}/${track_model4}
-track_model5_fn=${root_dir}/${track_model5}
-
-landing_model1="LandingMarker-resnet34-v230228.onnx"
-landing_model1_fn=${root_dir}/${landing_model1}
-
-
-if [ ! -d ${root_dir} ]; then
-  echo -e "\033[32m[INFO]: ${root_dir} not exist, creating it ... \033[0m"
-  mkdir -p ${root_dir}
-fi
-
-if [ ! -f ${sv_params1} ]; then
-  echo -e "\033[32m[INFO]: ${sv_params1} not exist, downloading ... \033[0m"
-  wget -O ${sv_params1} ${root_server}/install/a-params/sv_algorithm_params.json
-fi
-if [ ! -f ${sv_params2} ]; then
-  echo -e "\033[32m[INFO]: ${sv_params2} not exist, downloading ... \033[0m"
-  wget -O ${sv_params2} ${root_server}/install/a-params/sv_algorithm_params_coco_640.json
-fi
-if [ ! -f ${sv_params3} ]; then
-  echo -e "\033[32m[INFO]: ${sv_params3} not exist, downloading ... \033[0m"
-  wget -O ${sv_params3} ${root_server}/install/a-params/sv_algorithm_params_coco_1280.json
-fi
-
-if [ ! -f ${camera_params1} ]; then
-  echo -e "\033[32m[INFO]: ${camera_params1} not exist, downloading ... \033[0m"
-  wget -O ${camera_params1} ${root_server}/install/c-params/calib_webcam_640x480.yaml
-fi
-if [ ! -f ${camera_params2} ]; then
-  echo -e "\033[32m[INFO]: ${camera_params2} not exist, downloading ... \033[0m"
-  wget -O ${camera_params2} ${root_server}/install/c-params/calib_webcam_1280x720.yaml
-fi
-
-if [ ! -f ${coco_model1_fn} ]; then
-  echo -e "\033[32m[INFO]: ${coco_model1_fn} not exist, downloading ... \033[0m"
-  wget -O ${coco_model1_fn} ${root_server}/install/${coco_model1}
-  wget -O ${coco_model2_fn} ${root_server}/install/${coco_model2}
-  wget -O ${coco_model3_fn} ${root_server}/install/${coco_model3}
-fi
-
-if [ ! -f ${drone_model1_fn} ]; then
-  echo -e "\033[32m[INFO]: ${drone_model1_fn} not exist, downloading ... \033[0m"
-  wget -O ${drone_model1_fn} ${root_server}/install/${drone_model1}
-  wget -O ${drone_model2_fn} ${root_server}/install/${drone_model2}
-fi
-
-if [ ! -f ${personcar_model1_fn} ]; then
-  echo -e "\033[32m[INFO]: ${personcar_model1_fn} not exist, downloading ... \033[0m"
-  wget -O ${personcar_model1_fn} ${root_server}/install/${personcar_model1}
-  wget -O ${personcar_model2_fn} ${root_server}/install/${personcar_model2}
-fi
-
-if [ ! -f ${track_model1_fn} ]; then
-  echo -e "\033[32m[INFO]: ${track_model1_fn} not exist, downloading ... \033[0m"
-  wget -O ${track_model1_fn} ${root_server}/${track_model1}
-  wget -O ${track_model2_fn} ${root_server}/${track_model2}
-  wget -O ${track_model3_fn} ${root_server}/${track_model3}
-fi
-
-if [ ! -f ${track_model4_fn} ]; then
-  echo -e "\033[32m[INFO]: ${track_model4_fn} not exist, downloading ... \033[0m"
-  wget -O ${track_model4_fn} ${root_server}/${track_model4}
-  wget -O ${track_model5_fn} ${root_server}/${track_model5}
-fi
-
-if [ ! -f ${landing_model1_fn} ]; then
-  echo -e "\033[32m[INFO]: ${landing_model1_fn} not exist, downloading ... \033[0m"
-  wget -O ${landing_model1_fn} ${root_server}/install/${landing_model1}
-fi
-