diff --git a/demos/streaming_asr_server/web/templates/index.html b/demos/streaming_asr_server/web/templates/index.html
index 56c63080..768aebb8 100644
--- a/demos/streaming_asr_server/web/templates/index.html
+++ b/demos/streaming_asr_server/web/templates/index.html
@@ -93,6 +93,7 @@
 
     function parseResult(data) {
       var data = JSON.parse(data)
+      console.log('result json:', data)
       var result = data.result
       console.log(result)
       $("#resultPanel").html(result)
diff --git a/speechx/examples/ds2_ol/aishell/path.sh b/speechx/examples/ds2_ol/aishell/path.sh
index 69c78e74..6e803935 100755
--- a/speechx/examples/ds2_ol/aishell/path.sh
+++ b/speechx/examples/ds2_ol/aishell/path.sh
@@ -20,5 +20,5 @@ export LIBLBFGS=${MAIN_ROOT}/tools/liblbfgs-1.10
 export LD_LIBRARY_PATH=${LD_LIBRARY_PATH:-}:${LIBLBFGS}/lib/.libs
 export SRILM=${MAIN_ROOT}/tools/srilm
 
-SPEECHX_BIN=$SPEECHX_BUILD/decoder:$SPEECHX_BUILD/frontend/audio:$SPEECHX_BUILD/websocket
+SPEECHX_BIN=$SPEECHX_BUILD/decoder:$SPEECHX_BUILD/frontend/audio
 export PATH=$PATH:$SPEECHX_BIN:$TOOLS_BIN:${SRILM}/bin:${SRILM}/bin/i686-m64:$KALDI_DIR/lmbin:$KALDI_DIR/fstbin:$OPENFST_DIR/bin
diff --git a/speechx/examples/ds2_ol/websocket/path.sh b/speechx/examples/ds2_ol/websocket/path.sh
index d25e88a2..6dd6bddb 100755
--- a/speechx/examples/ds2_ol/websocket/path.sh
+++ b/speechx/examples/ds2_ol/websocket/path.sh
@@ -10,5 +10,5 @@ TOOLS_BIN=$SPEECHX_TOOLS/valgrind/install/bin
 
 export LC_AL=C
 
-SPEECHX_BIN=$SPEECHX_BUILD/protocol/websocket
+SPEECHX_BIN=$SPEECHX_BUILD/protocol/websocket:$SPEECHX_BUILD/frontend/audio
 export PATH=$PATH:$SPEECHX_BIN:$TOOLS_BIN
diff --git a/speechx/examples/ds2_ol/websocket/websocket_server.sh b/speechx/examples/ds2_ol/websocket/websocket_server.sh
index 45dbf303..18d29857 100755
--- a/speechx/examples/ds2_ol/websocket/websocket_server.sh
+++ b/speechx/examples/ds2_ol/websocket/websocket_server.sh
@@ -4,7 +4,6 @@ set -e
 
 . path.sh
 
-
 # 1. compile
 if [ ! -d ${SPEECHX_EXAMPLES} ]; then
     pushd ${SPEECHX_ROOT} 
@@ -19,19 +18,6 @@ ckpt_dir=$data/model
 model_dir=$ckpt_dir/exp/deepspeech2_online/checkpoints/
 vocb_dir=$ckpt_dir/data/lang_char/
 
-# output
-aishell_wav_scp=aishell_test.scp
-if [ ! -d $data/test ]; then
-    pushd $data
-    wget -c https://paddlespeech.bj.bcebos.com/s2t/paddle_asr_online/aishell_test.zip
-    unzip  aishell_test.zip
-    popd
-
-    realpath $data/test/*/*.wav > $data/wavlist
-    awk -F '/' '{ print $(NF) }' $data/wavlist | awk -F '.' '{ print $1 }' > $data/utt_id
-    paste $data/utt_id $data/wavlist > $data/$aishell_wav_scp
-fi
-
 
 if [ ! -f $ckpt_dir/data/mean_std.json ]; then
     mkdir -p $ckpt_dir