diff --git a/runtime/CMakeLists.txt b/runtime/CMakeLists.txt
index e48292e8..f17ec1e0 100644
--- a/runtime/CMakeLists.txt
+++ b/runtime/CMakeLists.txt
@@ -19,6 +19,12 @@ set(FETCHCONTENT_QUIET off)
 get_filename_component(fc_patch "fc_patch" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
 set(FETCHCONTENT_BASE_DIR ${fc_patch})
 
+# compiler option
+# Keep the same with openfst, -fPIC or -fpic
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++14 -pthread -fPIC -O0 -Wall -g -ldl")
+SET(CMAKE_CXX_FLAGS_DEBUG "$ENV{CXXFLAGS} --std=c++14 -pthread -fPIC -O0 -Wall -g -ggdb -ldl")
+SET(CMAKE_CXX_FLAGS_RELEASE "$ENV{CXXFLAGS} --std=c++14 -pthread -fPIC -O3 -Wall -ldl")
+
 set(CMAKE_VERBOSE_MAKEFILE ON)
 set(CMAKE_FIND_DEBUG_MODE OFF)
 set(PPS_CXX_STANDARD 14)
diff --git a/runtime/build.sh b/runtime/build.sh
index 0ee628fd..12cd23ee 100755
--- a/runtime/build.sh
+++ b/runtime/build.sh
@@ -9,7 +9,7 @@ mkdir -p ${BUILD_DIR}
 BUILD_TYPE=Release
 #BUILD_TYPE=Debug
 BUILD_SO=OFF
-BUILD_ASR=OFF
+BUILD_ASR=ON
 BUILD_CLS=ON
 BUILD_VAD=ON
 FASTDEPLOY_INSTALL_DIR=""