diff --git a/post_processor/post_processor.cc b/post_processor/post_processor.cc
index a9c704e..8b752f3 100644
--- a/post_processor/post_processor.cc
+++ b/post_processor/post_processor.cc
@@ -78,11 +78,11 @@ std::string PostProcessor::Process(const std::string& str, bool finish) {
   result = ProcessSymbols(str);
   result = ProcessSpace(result);
   // TODO(xcsong): do punctuation if finish == true
-  if (finish == true && opts_.itn) {
-    if (nullptr != itn_resource) {
-      result = itn_resource->Normalize(result);
-    }
-  }
+//  if (finish == true && opts_.itn) {
+//    if (nullptr != itn_resource) {
+//      result = itn_resource->Normalize(result);
+//    }
+//  }
   return result;
 }
 
diff --git a/post_processor/post_processor.h b/post_processor/post_processor.h
index c8d3a78..ba30214 100644
--- a/post_processor/post_processor.h
+++ b/post_processor/post_processor.h
@@ -64,7 +64,7 @@ class PostProcessor {
   void InitITNResource(const std::string& tagger_path,
                        const std::string& verbalizer_path);
   private:
-    std::shared_ptr<PostProcessor> itn_resource = nullptr;
+//    std::shared_ptr<PostProcessor> itn_resource = nullptr;
     const PostProcessOptions opts_;
   public:
   WENET_DISALLOW_COPY_AND_ASSIGN(PostProcessor);