diff --git a/algorithm/landing_det/intel/landing_det_intel_impl.cpp b/algorithm/landing_det/intel/landing_det_intel_impl.cpp
index 324ad54..02697b6 100644
--- a/algorithm/landing_det/intel/landing_det_intel_impl.cpp
+++ b/algorithm/landing_det/intel/landing_det_intel_impl.cpp
@@ -1,6 +1,7 @@
 #include "landing_det_intel_impl.h"
 #include <cmath>
 #include <fstream>
+#include "sv_util.h"
 
 #define SV_MODEL_DIR "/SpireCV/models/"
 #define SV_ROOT_DIR "/SpireCV/"
@@ -27,7 +28,7 @@ namespace sv
 #ifdef WITH_INTEL
     std::string onnx_model_fn = get_home() + SV_MODEL_DIR + "LandingMarker.onnx";
     std::vector<std::string> files;
-    _list_dir(get_home() + SV_MODEL_DIR, files, "-online.onnx", "Int-LandingMarker-resnet34");
+    list_dir(get_home() + SV_MODEL_DIR, files, "-online.onnx", "Int-LandingMarker-resnet34");
     if (files.size() > 0)
     {
       std::sort(files.rbegin(), files.rend(), _comp_str_lesser);
diff --git a/scripts/x86-intel/ffmpeg-install.sh b/scripts/x86-intel/ffmpeg-install.sh
index 9f54631..4e95980 100755
--- a/scripts/x86-intel/ffmpeg-install.sh
+++ b/scripts/x86-intel/ffmpeg-install.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-sudo apt install -y v4l-utils
+sudo apt install -y v4l-utils build-essential yasm cmake libtool libc6 libc6-dev unzip wget  libeigen3-dev libfmt-dev libnuma1 libnuma-dev libx264-dev libx265-dev libfaac-dev libssl-dev  v4l-utils
 wget https://ffmpeg.org/releases/ffmpeg-4.2.5.tar.bz2
 tar -xjf ffmpeg-4.2.5.tar.bz2
 cd ffmpeg-4.2.5