diff --git a/speechx/examples/u2pp_ol/wenetspeech/local/recognizer.sh b/speechx/examples/u2pp_ol/wenetspeech/local/recognizer.sh
index f71a8003ed0eda4b1200047837fdc2bed1689ea6..f4553f2ab86060f43c9ad46f2b80bf7f32588799 100755
--- a/speechx/examples/u2pp_ol/wenetspeech/local/recognizer.sh
+++ b/speechx/examples/u2pp_ol/wenetspeech/local/recognizer.sh
@@ -5,7 +5,7 @@ set -e
 
 data=data
 exp=exp
-nj=40
+nj=20
 
 
 mkdir -p $exp
@@ -34,4 +34,4 @@ cat $data/split${nj}/*/result_recognizer.ark > $exp/aishell_recognizer
 utils/compute-wer.py --char=1 --v=1 $text $exp/aishell_recognizer > $exp/aishell.recognizer.err
 echo "recognizer test have finished!!!"
 echo "please checkout in $exp/aishell.recognizer.err"
-tail -n 7 $exp/aishell.recognizer.err
\ No newline at end of file
+tail -n 7 $exp/aishell.recognizer.err
diff --git a/speechx/speechx/recognizer/u2_recognizer.h b/speechx/speechx/recognizer/u2_recognizer.h
index f4e91b18f966e7ad7dc69507d1868cac230335ff..54f4d2580bb73b7d7a9de4d546bc189aac922417 100644
--- a/speechx/speechx/recognizer/u2_recognizer.h
+++ b/speechx/speechx/recognizer/u2_recognizer.h
@@ -72,6 +72,14 @@ struct DecodeOptions {
         decoder_opts.ctc_prefix_search_opts.blank = FLAGS_blank;
         decoder_opts.ctc_prefix_search_opts.first_beam_size = FLAGS_nbest;
         decoder_opts.ctc_prefix_search_opts.second_beam_size = FLAGS_nbest;
+        LOG(INFO) << "chunk_size: " << decoder_opts.chunk_size;
+        LOG(INFO) << "num_left_chunks: " << decoder_opts.num_left_chunks;
+        LOG(INFO) << "ctc_weight: " << decoder_opts.ctc_weight;
+        LOG(INFO) << "rescoring_weight: " << decoder_opts.rescoring_weight;
+        LOG(INFO) << "reverse_weight: " << decoder_opts.reverse_weight;
+        LOG(INFO) << "blank: " << FLAGS_blank;
+        LOG(INFO) << "first_beam_size: " << FLAGS_nbest;
+        LOG(INFO) << "second_beam_size: " << FLAGS_nbest;
         return decoder_opts;
     }
 };
@@ -88,6 +96,8 @@ struct U2RecognizerResource {
         U2RecognizerResource resource;
         resource.vocab_path = FLAGS_vocab_path;
         resource.acoustic_scale = FLAGS_acoustic_scale;
+        LOG(INFO) << "vocab path: " <<  resource.vocab_path;
+        LOG(INFO) << "acoustic_scale: " <<  resource.acoustic_scale;
 
         resource.feature_pipeline_opts =
             ppspeech::FeaturePipelineOptions::InitFromFlags();