diff --git a/examples/aishell/asr0/run.sh b/examples/aishell/asr0/run.sh
index 59b7bfe30fc59aa1611fe5342bea31ad26dea5a6..c62f730742039e41b6a5cc3752fea6b9c850bab6 100755
--- a/examples/aishell/asr0/run.sh
+++ b/examples/aishell/asr0/run.sh
@@ -8,6 +8,7 @@ stop_stage=100
 conf_path=conf/deepspeech2.yaml    #conf/deepspeech2.yaml or conf/deepspeeech2_online.yaml
 avg_num=1
 model_type=offline    # offline or online
+audio_file="data/test_single_audio.wav"
 
 source ${MAIN_ROOT}/utils/parse_options.sh || exit 1;
 
@@ -15,7 +16,6 @@ avg_ckpt=avg_${avg_num}
 ckpt=$(basename ${conf_path} | awk -F'.' '{print $1}')
 echo "checkpoint name ${ckpt}"
 
-audio_file="data/tmp.wav"
 
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     # prepare data
diff --git a/examples/aishell/asr1/run.sh b/examples/aishell/asr1/run.sh
index 0b40e0649fd7d13c90c785909be56631f3630c77..bf9847c0be4b77b99b171e82b2ba7fead9cfc8c9 100644
--- a/examples/aishell/asr1/run.sh
+++ b/examples/aishell/asr1/run.sh
@@ -7,6 +7,7 @@ stage=0
 stop_stage=100
 conf_path=conf/conformer.yaml
 avg_num=20
+audio_file="data/test_single_audio.wav"
 
 source ${MAIN_ROOT}/utils/parse_options.sh || exit 1;
 
@@ -14,7 +15,6 @@ avg_ckpt=avg_${avg_num}
 ckpt=$(basename ${conf_path} | awk -F'.' '{print $1}')
 echo "checkpoint name ${ckpt}"
 
-audio_file="data/tmp.wav"
 
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     # prepare data
diff --git a/examples/librispeech/asr0/run.sh b/examples/librispeech/asr0/run.sh
index 6c4fc4116c85ddff2d6dc26f285b7fc477f16289..07eacb2629bab0f372f04f124398484691c0e582 100755
--- a/examples/librispeech/asr0/run.sh
+++ b/examples/librispeech/asr0/run.sh
@@ -8,13 +8,14 @@ stop_stage=100
 conf_path=conf/deepspeech2.yaml
 avg_num=30
 model_type=offline
+audio_file="data/test_single_audio.flac"
+
 source ${MAIN_ROOT}/utils/parse_options.sh || exit 1;
 
 avg_ckpt=avg_${avg_num}
 ckpt=$(basename ${conf_path} | awk -F'.' '{print $1}')
 echo "checkpoint name ${ckpt}"
 
-audio_file="data/tmp.flac"
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     # prepare data
     bash ./local/data.sh || exit -1
diff --git a/examples/librispeech/asr1/run.sh b/examples/librispeech/asr1/run.sh
index 74f7cbc1a4ecea0bfb4b6ae5064bc6773a4a4024..fe603e08e97dfca2b926829c83ce3e4142c2277c 100755
--- a/examples/librispeech/asr1/run.sh
+++ b/examples/librispeech/asr1/run.sh
@@ -9,6 +9,7 @@ stage=0
 stop_stage=100
 conf_path=conf/transformer.yaml
 avg_num=30
+audio_file="data/test_single_audio.flac"
 
 . ${MAIN_ROOT}/utils/parse_options.sh || exit 1;
 
@@ -16,8 +17,6 @@ avg_ckpt=avg_${avg_num}
 ckpt=$(basename ${conf_path} | awk -F'.' '{print $1}')
 echo "checkpoint name ${ckpt}"
 
-audio_file="data/tmp.flac"
-
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
     # prepare data
     bash ./local/data.sh || exit -1