diff --git a/external/.gitignore b/external/.gitignore
index 9c68340..635ef3f 100644
--- a/external/.gitignore
+++ b/external/.gitignore
@@ -1,3 +1,4 @@
 
 goahead-5.2.0/GoAhead
-ffmpeg/ffmpeg-6.1.1
\ No newline at end of file
+ffmpeg/ffmpeg-6.1.1
+fdk-aac/fdk-aac-2.0.3
\ No newline at end of file
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index cf1276f..b2a6e12 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -22,5 +22,8 @@ add_subdirectory(goahead-5.2.0)
 
 add_subdirectory(cJSON-1.7.17)
 add_subdirectory(libhv/libhv-1.3.2)
+# ================= ffmpeg related ================= #
 add_subdirectory(ffmpeg)
+add_subdirectory(fdk-aac)
+# ================= ffmpeg related end ================= #
 add_subdirectory(libconfig)
\ No newline at end of file
diff --git a/external/fdk-aac/CMakeLists.txt b/external/fdk-aac/CMakeLists.txt
new file mode 100644
index 0000000..139ae25
--- /dev/null
+++ b/external/fdk-aac/CMakeLists.txt
@@ -0,0 +1,25 @@
+include(${CMAKE_SOURCE_DIR_IPCSDK}/build/global_config.cmake)
+set(FFMPEG_INSTALL_PATH "${EXTERNAL_LIBS_OUTPUT_PATH}/fdk-aac")
+message("Compile fdk-aac cmake config files : ${PLATFORM_PATH}/build/cmake/toolchain/linux.toolchain.cmake")
+add_custom_target(
+    fdk-aac
+    COMMAND echo "Now compile fdk-aac, please wait..."
+    COMMAND test -f ${EXTERNAL_SOURCE_PATH}/fdk-aac/fdk-aac-2.0.3/CMakeLists.txt || tar -xf fdk-aac-2.0.3.tar.gz
+    COMMAND chmod 777 -R fdk-aac-2.0.3
+    COMMAND test -f ${EXTERNAL_SOURCE_PATH}/fdk-aac/fdk-aac-2.0.3/build/Makefile || mkdir fdk-aac-2.0.3/build
+    COMMAND cd fdk-aac-2.0.3/build && cmake ../ -DCMAKE_TOOLCHAIN_FILE=${PLATFORM_PATH}/build/cmake/toolchain/linux.toolchain.cmake
+            -DCMAKE_INSTALL_PREFIX=${FFMPEG_INSTALL_PATH} -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF
+    COMMAND cd fdk-aac-2.0.3/build && make
+    COMMAND cd fdk-aac-2.0.3/build && make install
+    COMMAND cd fdk-aac-2.0.3/build && make clean
+    WORKING_DIRECTORY ${EXTERNAL_SOURCE_PATH}/fdk-aac/
+)
+
+add_custom_target(
+  remove_fdk-aac_source_files
+  COMMAND rm -rf fdk-aac-2.0.3
+  WORKING_DIRECTORY ${EXTERNAL_SOURCE_PATH}/fdk-aac/
+)
+ 
+# 将clean目标依赖于我们自定义的clean_script目标
+add_dependencies(sdk_clean remove_fdk-aac_source_files)
\ No newline at end of file
diff --git a/external/fdk-aac/fdk-aac-2.0.3.tar.gz b/external/fdk-aac/fdk-aac-2.0.3.tar.gz
new file mode 100755
index 0000000..52c33d1
Binary files /dev/null and b/external/fdk-aac/fdk-aac-2.0.3.tar.gz differ
diff --git a/external/ffmpeg/CMakeLists.txt b/external/ffmpeg/CMakeLists.txt
index 81e92dd..1a05cd7 100644
--- a/external/ffmpeg/CMakeLists.txt
+++ b/external/ffmpeg/CMakeLists.txt
@@ -1,22 +1,30 @@
 set(FFMPEG_INSTALL_PATH "${EXTERNAL_LIBS_OUTPUT_PATH}/ffmpeg")
+find_program(NASM nasm)
+if(NOT NASM)
+  message("nasm not found. Now install.")
+  execute_process(COMMAND sudo apt install nasm WORKING_DIRECTORY ${EXTERNAL_SOURCE_PATH}/)
+endif()
 if(${TARGET_PLATFORM} MATCHES ${DEFINE_LINUX})
-    set(CONFIGURE_COMMAND "--enable-cross-compile --target-os=linux --arch=linux \
+    set(CONFIGURE_COMMAND "--enable-cross-compile --target-os=linux --arch=x86_64 \
     --cc=${CMAKE_C_COMPILER} \
     --cxx=${CMAKE_CXX_COMPILER} \
     --prefix=${EXTERNAL_LIBS_OUTPUT_PATH}/ffmpeg \
-    --enable-parsers --enable-decoder=h264 \
+    --enable-parsers --enable-decoder=h264 --enable-libfdk-aac \
     --enable-ffmpeg --enable-static \
     --enable-gpl --enable-nonfree --enable-version3 --enable-small \
     --enable-muxer=mov --enable-muxer=mp4 \
     --enable-decoder=aac --enable-decoder=pcm_alaw --enable-encoder=pcm_alaw \
     --enable-demuxer=mov \
-    --enable-protocol=file --enable-bsf=aac_adtstoasc --enable-bsf=h264_mp4toannexb --enable-bsf=hevc_mp4toannexb")
+    --enable-protocol=file --enable-bsf=aac_adtstoasc --enable-bsf=h264_mp4toannexb --enable-bsf=hevc_mp4toannexb \
+    --extra-libs=-lm \
+    --extra-cflags=\"-I${EXTERNAL_LIBS_OUTPUT_PATH}/fdk-aac/include\" \
+    --extra-ldflags=\"-L${EXTERNAL_LIBS_OUTPUT_PATH}/fdk-aac/lib\"")
 else()
     set(CONFIGURE_COMMAND "--enable-cross-compile --target-os=linux --arch=arm64 \
     --cc=${CMAKE_C_COMPILER} \
     --cxx=${CMAKE_CXX_COMPILER} \
     --prefix=${EXTERNAL_LIBS_OUTPUT_PATH}/ffmpeg \
-    --disable-asm --enable-parsers --disable-decoders --enable-decoder=h264 \
+    --disable-asm --enable-parsers --disable-decoders --enable-decoder=h264 --enable-libfdk-aac \
     --disable-debug --enable-ffmpeg --enable-shared --enable-static --disable-stripping --disable-doc \
     --enable-gpl --enable-nonfree --enable-version3 --enable-small \
     --disable-mipsdsp --disable-mipsdspr2 \
@@ -29,13 +37,17 @@ else()
     --disable-protocols --enable-protocol=file \
     --disable-bsfs --enable-bsf=aac_adtstoasc --enable-bsf=h264_mp4toannexb --enable-bsf=hevc_mp4toannexb \
     --disable-indevs \
-    --disable-outdevs --disable-ffprobe --disable-ffmpeg --disable-ffplay --disable-debug")
+    --disable-outdevs --disable-ffprobe --disable-ffmpeg --disable-ffplay --disable-debug \
+    --extra-libs=-lm \
+    --extra-cflags=\"-I${EXTERNAL_LIBS_OUTPUT_PATH}/fdk-aac/include\" \
+    --extra-ldflags=\"-L${EXTERNAL_LIBS_OUTPUT_PATH}/fdk-aac/lib\"")
 endif()
 message("Compile ffmpeg comand : ${CONFIGURE_COMMAND}")
 add_custom_target(
     ffmpeg
+    DEPENDS fdk-aac
     COMMAND echo "Now compile ffmpeg, please wait..."
-    COMMAND test -f ${EXTERNAL_SOURCE_PATH}/ffmpeg/Makefile || tar -xf ffmpeg_6.1.1.orig.tar.xz
+    COMMAND test -f ${EXTERNAL_SOURCE_PATH}/ffmpeg/ffmpeg-6.1.1/Makefile || tar -xf ffmpeg_6.1.1.orig.tar.xz
     COMMAND chmod 777 -R ffmpeg-6.1.1
     COMMAND cd ffmpeg-6.1.1 && bash -c "./configure ${CONFIGURE_COMMAND}"
     COMMAND cd ffmpeg-6.1.1 && make