diff --git a/decoder/asr_decoder.h b/decoder/asr_decoder.h
index 6e93d22..32688f2 100644
--- a/decoder/asr_decoder.h
+++ b/decoder/asr_decoder.h
@@ -32,7 +32,7 @@
 #include "decoder/ctc_wfst_beam_search.h"
 #include "decoder/search_interface.h"
 #include "frontend/feature_pipeline.h"
-#include "post_processor/post_processor.h"
+#include "../post_processor/processor/post_processor.h"
 #include "utils/utils.h"
 
 namespace wenet {
diff --git a/decoder/params.h b/decoder/params.h
index 9a10b23..3511e7a 100644
--- a/decoder/params.h
+++ b/decoder/params.h
@@ -38,7 +38,7 @@
 #include "ov/ov_asr_model.h"
 #endif
 #include "frontend/feature_pipeline.h"
-#include "post_processor/post_processor.h"
+#include "../post_processor/processor/post_processor.h"
 #include "utils/file.h"
 #include "utils/flags.h"
 #include "utils/string.h"
diff --git a/kaldi/base/kaldi-common.h b/kaldi/base/kaldi-common.h
index f8b9397..f41b655 100644
--- a/kaldi/base/kaldi-common.h
+++ b/kaldi/base/kaldi-common.h
@@ -34,6 +34,7 @@
 #include "base/kaldi-error.h"
 #include "base/kaldi-types.h"
 #include "base/kaldi-utils.h"
+#include "fst/log.h"
 // #include "base/io-funcs.h"
 #include "base/kaldi-math.h"
 // #include "base/timer.h"
diff --git a/kaldi/base/kaldi-error.h b/kaldi/base/kaldi-error.h
index 90948c1..e4c9ad3 100644
--- a/kaldi/base/kaldi-error.h
+++ b/kaldi/base/kaldi-error.h
@@ -19,7 +19,8 @@
 #include "kaldi-types.h"
 
 namespace kaldi {
-
+#ifndef _LOGGING_H_
+#include "glog/logging.h"
 #define KALDI_WARN \
   google::LogMessage(__FILE__, __LINE__, google::GLOG_WARNING).stream()
 #define KALDI_ERR \
@@ -29,7 +30,7 @@ namespace kaldi {
 #define KALDI_VLOG(v) VLOG(v)
 
 #define KALDI_ASSERT(condition) CHECK(condition)
-
+#endif
 /***** PROGRAM NAME AND VERBOSITY LEVEL *****/
 
 /// Called by ParseOptions to set base name (no directory) of the executing
diff --git a/kaldi/fst/log.h b/kaldi/fst/log.h
new file mode 100644
index 0000000..78675b5
--- /dev/null
+++ b/kaldi/fst/log.h
@@ -0,0 +1,81 @@
+// Copyright 2005-2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the 'License');
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an 'AS IS' BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// See www.openfst.org for extensive documentation on this weighted
+// finite-state transducer library.
+//
+// Google-style logging declarations and inline definitions.
+
+#ifndef FST_LOG_H_
+#define FST_LOG_H_
+
+#include <cassert>
+#include <cstdlib>
+#include <iostream>
+#include <ostream>
+#include <string_view>
+#include <fst/flags.h>
+
+class LogMessage;
+class LogMessage;
+
+DECLARE_int32(v);
+
+class LogMessage {
+public:
+    explicit LogMessage(std::string_view type) : fatal_(type == "FATAL") {
+        std::cerr << type << ": ";
+    }
+
+    ~LogMessage() {
+        std::cerr << std::endl;
+        if (fatal_) exit(1);
+    }
+
+    std::ostream &stream() { return std::cerr; }
+
+private:
+    bool fatal_;
+};
+#ifndef _LOGGING_H_
+#define LOG(type) LogMessage(#type).stream()
+#define VLOG(level) if ((level) <= FST_FLAGS_v) LOG(INFO)
+#endif
+// Checks.
+inline void FstCheck(bool x, std::string_view expr, std::string_view file,
+                     int line) {
+    if (!x) {
+        LOG(FATAL) << "Check failed: \"" << expr << "\" file: " << file
+                   << " line: " << line;
+    }
+}
+
+#define CHECK(x) FstCheck(static_cast<bool>(x), #x, __FILE__, __LINE__)
+#define CHECK_EQ(x, y) CHECK((x) == (y))
+#define CHECK_LT(x, y) CHECK((x) < (y))
+#define CHECK_GT(x, y) CHECK((x) > (y))
+#define CHECK_LE(x, y) CHECK((x) <= (y))
+#define CHECK_GE(x, y) CHECK((x) >= (y))
+#define CHECK_NE(x, y) CHECK((x) != (y))
+
+// Debug checks.
+#define DCHECK(x) assert(x)
+#define DCHECK_EQ(x, y) DCHECK((x) == (y))
+#define DCHECK_LT(x, y) DCHECK((x) < (y))
+#define DCHECK_GT(x, y) DCHECK((x) > (y))
+#define DCHECK_LE(x, y) DCHECK((x) <= (y))
+#define DCHECK_GE(x, y) DCHECK((x) >= (y))
+#define DCHECK_NE(x, y) DCHECK((x) != (y))
+
+#endif  // FST_LOG_H_
\ No newline at end of file
diff --git a/post_processor/CMakeLists.txt b/post_processor/CMakeLists.txt
index 228764b..a5232d0 100644
--- a/post_processor/CMakeLists.txt
+++ b/post_processor/CMakeLists.txt
@@ -1,7 +1,7 @@
 message(STATUS "post_processor dir:${CMAKE_CURRENT_SOURCE_DIR}")
 
 add_library(post_processor STATIC
-        post_processor.cc
+        processor/post_processor.cc
         utils/wetext_string.cc
         processor/wetext_processor.cc
         processor/wetext_token_parser.cc
diff --git a/post_processor/post_processor.cc b/post_processor/processor/post_processor.cc
similarity index 97%
rename from post_processor/post_processor.cc
rename to post_processor/processor/post_processor.cc
index b65010a..486d779 100644
--- a/post_processor/post_processor.cc
+++ b/post_processor/processor/post_processor.cc
@@ -16,8 +16,8 @@
 #include "post_processor.h"
 #include <sstream>
 #include <vector>
-#include "processor/wetext_processor.h"
-#include "utils/string.h"
+#include "wetext_processor.h"
+#include "../../utils/string.h"
 
 namespace wenet {
 void PostProcessor::InitITNResource(const std::string& tagger_path,
diff --git a/post_processor/post_processor.h b/post_processor/processor/post_processor.h
similarity index 97%
rename from post_processor/post_processor.h
rename to post_processor/processor/post_processor.h
index b05aee6..8e99c71 100644
--- a/post_processor/post_processor.h
+++ b/post_processor/processor/post_processor.h
@@ -19,8 +19,8 @@
 #include <memory>
 #include <string>
 #include <utility>
-#include "processor/wetext_processor.h"
-#include "utils/utils.h"
+#include "wetext_processor.h"
+#include "../../utils/utils.h"
 
 namespace wenet {