diff --git a/Makefile b/Makefile
index 6975b84..42bc929 100755
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,7 @@ all:cmake
 clean:
 	@if [ -d "cmake-shell" ]; then \
 		echo "cmake-shell exist"; \
+		make -C cmake-shell External_lib_clean; \
 		make -C cmake-shell clean; \
 	fi
 	@echo "IPC clean."
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index 9544ade..74bfa4e 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -1,2 +1,9 @@
 
-add_subdirectory(sqlite3/sqlite-3430000)
\ No newline at end of file
+add_subdirectory(sqlite3/sqlite-3430000)
+add_subdirectory(goahead-5.2.0)
+
+add_custom_target(
+    External_lib_clean
+    COMMAND rm -rf goahead-5.2.0/GoAhead
+    WORKING_DIRECTORY ${EXTERNAL_SOURCE_PATH}
+)
\ No newline at end of file
diff --git a/external/README.md b/external/README.md
index 9d9c297..a6b2d9d 100644
--- a/external/README.md
+++ b/external/README.md
@@ -1,3 +1,7 @@
 # 1. 第三方库
 
-   该目录存放仓库依赖的三方库源码。
\ No newline at end of file
+   该目录存放仓库依赖的三方库源码。
+
+## 1.1. goahead
+
+make CC=arm-rockchip830-linux-uclibcgnueabihf-gcc ARCH=arm PROFILE=static
\ No newline at end of file
diff --git a/external/goahead-5.2.0/CMakeLists.txt b/external/goahead-5.2.0/CMakeLists.txt
new file mode 100644
index 0000000..c7bdf87
--- /dev/null
+++ b/external/goahead-5.2.0/CMakeLists.txt
@@ -0,0 +1,27 @@
+include(${CMAKE_SOURCE_DIR_IPCSDK}/build/global_config.cmake)
+set(EXECUTABLE_OUTPUT_PATH ${EXEC_OUTPUT_PATH})
+set(LIBRARY_OUTPUT_PATH ${LIBS_OUTPUT_PATH})
+
+if(${TARGET_PLATFORM} MATCHES ${DEFINE_LINUX})
+    SET(SET_ARCH "x86")
+else()
+	SET(SET_ARCH "arm")
+endif()
+# build goahead before make libgo.a
+add_custom_command(
+    OUTPUT ${EXTERNAL_SOURCE_PATH}/goahead-5.2.0/GoAhead/Makefile
+    COMMAND echo "tar zxvf goahead-5.2.0.tar.gz"
+    COMMAND tar zxvf goahead-5.2.0.tar.gz
+    WORKING_DIRECTORY ${EXTERNAL_SOURCE_PATH}/goahead-5.2.0/
+)
+add_custom_command(
+    OUTPUT ${EXTERNAL_LIBS_OUTPUT_PATH}/libgo.a
+    DEPENDS ${EXTERNAL_SOURCE_PATH}/goahead-5.2.0/GoAhead/Makefile
+    COMMAND make CC=${CMAKE_C_COMPILER} ARCH=${SET_ARCH} PROFILE=static 
+    COMMAND mv ${EXTERNAL_SOURCE_PATH}/goahead-5.2.0/GoAhead/build/linux-${SET_ARCH}-static/bin/libgo.a ${EXTERNAL_LIBS_OUTPUT_PATH}/libgo.a
+    WORKING_DIRECTORY ${EXTERNAL_SOURCE_PATH}/goahead-5.2.0/GoAhead
+)
+add_custom_target(
+    libgo.a
+    DEPENDS ${EXTERNAL_LIBS_OUTPUT_PATH}/libgo.a
+)
\ No newline at end of file
diff --git a/external/goahead-5.2.0/goahead-5.2.0.tar.gz b/external/goahead-5.2.0/goahead-5.2.0.tar.gz
new file mode 100644
index 0000000..5936e74
Binary files /dev/null and b/external/goahead-5.2.0/goahead-5.2.0.tar.gz differ