diff --git a/CMakeLists.txt b/CMakeLists.txt
index c2a7729..173006b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,7 +35,6 @@ include_directories(
         ${CMAKE_CURRENT_SOURCE_DIR}
         ${CMAKE_CURRENT_SOURCE_DIR}/kaldi
 )
-
 # Build all libraries
 add_subdirectory(utils)
 add_subdirectory(frontend)
diff --git a/post_processor/CMakeLists.txt b/post_processor/CMakeLists.txt
index 6e416c2..228764b 100644
--- a/post_processor/CMakeLists.txt
+++ b/post_processor/CMakeLists.txt
@@ -1,18 +1,9 @@
 message(STATUS "post_processor dir:${CMAKE_CURRENT_SOURCE_DIR}")
-add_library(wetext_utils STATIC utils/wetext_string.cc)
-target_link_libraries(wetext_utils PUBLIC glog)
-
-add_library(wetext_processor STATIC
-        processor/wetext_processor.cc
-        processor/wetext_token_parser.cc
-)
-target_link_libraries(wetext_processor PUBLIC dl fst wetext_utils)
-
-#add_executable(processor_main processor/processor_main.cc)
-#
-#target_link_libraries(processor_main PUBLIC wetext_processor)
 
 add_library(post_processor STATIC
         post_processor.cc
+        utils/wetext_string.cc
+        processor/wetext_processor.cc
+        processor/wetext_token_parser.cc
 )
-target_link_libraries(post_processor PUBLIC utils wetext_processor wetext_utils)
+target_link_libraries(post_processor PUBLIC utils ${OPENFST_LIBRARYS})
diff --git a/post_processor/post_processor.cc b/post_processor/post_processor.cc
index 4f070f8..b65010a 100644
--- a/post_processor/post_processor.cc
+++ b/post_processor/post_processor.cc
@@ -13,7 +13,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License
 
-#include "post_processor/post_processor.h"
+#include "post_processor.h"
 #include <sstream>
 #include <vector>
 #include "processor/wetext_processor.h"
@@ -65,7 +65,7 @@ std::string PostProcessor::ProcessSpace(const std::string& str) {
 std::string del_substr(const std::string& str, const std::string& sub) {
   std::string result = str;
   int pos = 0;
-  while (string::npos != (pos = result.find(sub))) {
+  while (std::string::npos != (pos = result.find(sub))) {
     result.erase(pos, sub.size());
   }
   return result;
diff --git a/post_processor/processor/wetext_processor.cc b/post_processor/processor/wetext_processor.cc
index b096bac..36a675a 100644
--- a/post_processor/processor/wetext_processor.cc
+++ b/post_processor/processor/wetext_processor.cc
@@ -13,16 +13,24 @@
 // limitations under the License.
 
 #include "wetext_processor.h"
-
-using fst::StringTokenType;
-
+#include <fst/string.h>
+#include <fst/compat.h>
+#include <fst/extensions/mpdt/compose.h>
+#include <fst/extensions/mpdt/mpdt.h>
+#include <fst/extensions/pdt/compose.h>
+#include <fst/extensions/pdt/pdt.h>
+#include <fst/extensions/pdt/shortest-path.h>
+#include <fst/arc.h>
+#include <fst/fstlib.h>
+#include <fst/fst.h>
+#include <fst/vector-fst.h>
 namespace wetext {
 Processor::Processor(const std::string& tagger_path,
                      const std::string& verbalizer_path) {
   tagger_.reset(StdVectorFst::Read(tagger_path));
   verbalizer_.reset(StdVectorFst::Read(verbalizer_path));
-  compiler_ = std::make_shared<StringCompiler<StdArc>>(StringTokenType::BYTE);
-  printer_ = std::make_shared<StringPrinter<StdArc>>(StringTokenType::BYTE);
+  compiler_ = std::make_shared<StringCompiler<StdArc>>(fst::StringTokenType::BYTE);
+  printer_ = std::make_shared<StringPrinter<StdArc>>(fst::StringTokenType::BYTE);
 
   if (tagger_path.find("_tn_") != tagger_path.npos) {
     parse_type_ = ParseType::kTN;