diff --git a/remote_desk_gui/main.cpp b/remote_desk_gui/main.cpp
index 90cbf03..649fb60 100644
--- a/remote_desk_gui/main.cpp
+++ b/remote_desk_gui/main.cpp
@@ -591,8 +591,7 @@ int main() {
 
                     if (tc >= 0) {
                       SendData(peer_server, DATA_TYPE::VIDEO,
-                               (const char *)nv12_buffer, NV12_BUFFER_SIZE);
-                      std::cout << "Send" << std::endl;
+                               (const char *)data, NV12_BUFFER_SIZE);
                       last_frame_time_ = now_time;
                     }
                   });
diff --git a/screen_capture/linux/screen_capture_x11.cpp b/screen_capture/linux/screen_capture_x11.cpp
index def4c75..0ab6619 100644
--- a/screen_capture/linux/screen_capture_x11.cpp
+++ b/screen_capture/linux/screen_capture_x11.cpp
@@ -5,14 +5,7 @@
 #define NV12_BUFFER_SIZE 1280 * 720 * 3 / 2
 unsigned char nv12_buffer_[NV12_BUFFER_SIZE];
 
-FILE *file = nullptr;
-
-ScreenCaptureX11::ScreenCaptureX11() {
-  file = fopen("nv12.yuv", "w+b");
-  if (!file) {
-    printf("Fail to open nv12.yuv\n");
-  }
-}
+ScreenCaptureX11::ScreenCaptureX11() {}
 
 ScreenCaptureX11::~ScreenCaptureX11() {
   if (capture_thread_->joinable()) {
@@ -79,7 +72,7 @@ int ScreenCaptureX11::Init(const RECORD_DESKTOP_RECT &rect, const int fps,
   }
 
   pFrame_ = av_frame_alloc();
-  pFrameNV12_ = av_frame_alloc();
+  pFrameNv12_ = av_frame_alloc();
 
   const int pixel_w = 1280, pixel_h = 720;
   int screen_w = 1280, screen_h = 720;
@@ -100,31 +93,24 @@ int ScreenCaptureX11::Init(const RECORD_DESKTOP_RECT &rect, const int fps,
 int ScreenCaptureX11::Start() {
   capture_thread_.reset(new std::thread([this]() {
     while (1) {
-      printf("00000\n");
       if (av_read_frame(pFormatCtx_, packet_) >= 0) {
-        printf("111111444444\n");
         if (packet_->stream_index == videoindex_) {
-          printf("11111155555\n");
           avcodec_send_packet(pCodecCtx_, packet_);
           got_picture_ = avcodec_receive_frame(pCodecCtx_, pFrame_);
-          printf("33333333\n");
-          if (!got_picture_) {
-            printf("44444444444\n");
 
-            av_image_fill_arrays(pFrameNV12_->data, pFrameNV12_->linesize,
+          if (!got_picture_) {
+            av_image_fill_arrays(pFrameNv12_->data, pFrameNv12_->linesize,
                                  nv12_buffer_, AV_PIX_FMT_NV12, pFrame_->width,
                                  pFrame_->height, 1);
 
             sws_scale(img_convert_ctx_, pFrame_->data, pFrame_->linesize, 0,
-                      pFrame_->height, pFrameNV12_->data,
-                      pFrameNV12_->linesize);
-
-            fwrite(nv12_buffer_, 1, pFrame_->width * pFrame_->height * 3 / 2,
-                   file);
+                      pFrame_->height, pFrameNv12_->data,
+                      pFrameNv12_->linesize);
 
             _on_data((unsigned char *)nv12_buffer_,
                      pFrame_->width * pFrame_->height * 3 / 2, pFrame_->width,
                      pFrame_->height);
+            // av_packet_unref(packet_);
           }
         }
       }
diff --git a/screen_capture/linux/screen_capture_x11.h b/screen_capture/linux/screen_capture_x11.h
index a3fc710..93b3719 100644
--- a/screen_capture/linux/screen_capture_x11.h
+++ b/screen_capture/linux/screen_capture_x11.h
@@ -74,7 +74,7 @@ class ScreenCaptureX11 {
   AVDictionary *options_ = nullptr;
   AVInputFormat *ifmt_ = nullptr;
   AVFrame *pFrame_ = nullptr;
-  AVFrame *pFrameNV12_ = nullptr;
+  AVFrame *pFrameNv12_ = nullptr;
   AVPacket *packet_ = nullptr;
   struct SwsContext *img_convert_ctx_ = nullptr;
 
diff --git a/xmake.lua b/xmake.lua
index 91ed743..669ce93 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -1,6 +1,6 @@
 set_project("remote_desk")
 set_version("0.0.1")
-set_license("GPL-3.0")
+set_license("LGPL-3.0")
 
 add_rules("mode.release", "mode.debug")
 set_languages("c++17")
@@ -15,6 +15,7 @@ if is_os("windows") then
     add_links("Shell32", "windowsapp", "dwmapi", "User32", "kernel32")
     add_requires("vcpkg::ffmpeg 5.1.2", {configs = {shared = false}})
 elseif is_os("linux") then
+    add_requireconfs("ffmpeg.x264", {configs = {pic = true}})
     add_requires("ffmpeg 5.1.2", {system = false})
     add_syslinks("pthread", "dl")
 elseif is_os("macosx") then
@@ -63,7 +64,7 @@ target("remote_desk")
     elseif is_os("linux") then
         add_links("SDL2")
         add_ldflags("-lavformat", "-lavdevice", "-lavfilter", "-lavcodec",
-        "-lswscale", "-lavutil", "-lswresample", "-lpostproc",
+        "-lswscale", "-lavutil", "-lswresample",
         "-lasound", "-lxcb-shape", "-lxcb-xfixes", "-lsndio", "-lxcb", 
         "-lxcb-shm", "-lXext", "-lX11", "-lXv", "-ldl", "-lpthread", {force = true})
     end
@@ -74,6 +75,6 @@ target("linux_capture")
     add_files("remote_desk_gui/linux_capture.cpp")
     add_links("SDL2")
     add_ldflags("-lavformat", "-lavdevice", "-lavfilter", "-lavcodec",
-    "-lswscale", "-lavutil", "-lswresample", "-lpostproc",
+    "-lswscale", "-lavutil", "-lswresample",
     "-lasound", "-lxcb-shape", "-lxcb-xfixes", "-lsndio", "-lxcb", 
     "-lxcb-shm", "-lXext", "-lX11", "-lXv", "-lpthread", "-lx264", "-ldl", "-lSDL2" ,{force = true})
\ No newline at end of file