diff --git a/egs/wenetspeech/conformer/local/data.sh b/egs/wenetspeech/conformer/local/data.sh
index dcfba5f58..d5c548f40 100755
--- a/egs/wenetspeech/conformer/local/data.sh
+++ b/egs/wenetspeech/conformer/local/data.sh
@@ -17,20 +17,11 @@ stage=1
 stop_stage=100
 set=L
 data_dir="data"
+WENETSPEECH=
 
 log "$0 $*"
 . utils/parse_options.sh
 
-. ./path.sh || exit 1;
-. ./cmd.sh || exit 1;
-. ./db.sh || exit 1;
-
-if [ ! -e "${WENETSPEECH}" ]; then
-    log "Fill the value of 'WENETSPEECH' of db.sh"
-    log "or download the data set follwing the instruction in https://wenet-e2e.github.io/WenetSpeech/"
-    exit 1
-fi
-
 if [ ! -d "${WENETSPEECH}/audio" ] && [ ! -f "${WENETSPEECH}/WenetSpeech.json" ]; then
     echo "Valid WENETSPEECH data not found in ${WENETSPEECH}."
     echo "Please follow the instruction in https://wenet-e2e.github.io/WenetSpeech/"
diff --git a/egs/wenetspeech/conformer/run.sh b/egs/wenetspeech/conformer/run.sh
index 0945e668d..bf0dc1f9a 100644
--- a/egs/wenetspeech/conformer/run.sh
+++ b/egs/wenetspeech/conformer/run.sh
@@ -72,7 +72,7 @@ fi
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     echo "stage 0: Data preparation"
     # Data preparation
-    local/data.sh "--set ${set}"
+    local/data.sh --set ${set} --nj 64 --data_dir $feats_dir --WENETSPEECH $raw_data
 #    mkdir $feats_dir/data
 #    mv $feats_dir/$train_set $feats_dir/data/$train_set
 #    for x in $test_sets; do