diff --git a/examples/aishell/s0/local/client.sh b/examples/aishell/s0/local/client.sh
index d626ecc756c70b966b6099a41168a65c701e644e..3b59ad3dff202a11cdae438661fbb43348502ec6 100755
--- a/examples/aishell/s0/local/client.sh
+++ b/examples/aishell/s0/local/client.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 source path.sh
 
diff --git a/examples/aishell/s0/local/data.sh b/examples/aishell/s0/local/data.sh
index 2f09b14ad8d57e65ba7f3c1e5f337c6df540414f..b106f3f28322ced93cd0462f33056bd0d5876df4 100755
--- a/examples/aishell/s0/local/data.sh
+++ b/examples/aishell/s0/local/data.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 stage=-1
 stop_stage=100
diff --git a/examples/aishell/s0/local/download_lm_ch.sh b/examples/aishell/s0/local/download_lm_ch.sh
index f9e2261fdd42fcab6e5d5643c32d48d4abe43c90..ac27a9076d9f7f3d1556c7dac10e31ea788ff622 100755
--- a/examples/aishell/s0/local/download_lm_ch.sh
+++ b/examples/aishell/s0/local/download_lm_ch.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 . ${MAIN_ROOT}/utils/utility.sh
 
diff --git a/examples/aishell/s0/local/export.sh b/examples/aishell/s0/local/export.sh
index 1b19d5720b731bed8006d1faed03176dd4ba0c56..f99a15bade1c89f968e84a6c10d500466f884d5b 100755
--- a/examples/aishell/s0/local/export.sh
+++ b/examples/aishell/s0/local/export.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 3 ];then
     echo "usage: $0 config_path ckpt_prefix jit_model_path"
@@ -13,7 +13,7 @@ ckpt_path_prefix=$2
 jit_model_export_path=$3
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 
diff --git a/examples/aishell/s0/local/server.sh b/examples/aishell/s0/local/server.sh
index 1cf069ebd531c8ea62827e89c741964500108745..184a143dafa3ed7edb9ffee5c2f3a986d41c4c03 100755
--- a/examples/aishell/s0/local/server.sh
+++ b/examples/aishell/s0/local/server.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 # TODO: replace the model with a mandarin model
 
 if [[ $# != 1 ]];then
diff --git a/examples/aishell/s0/local/test.sh b/examples/aishell/s0/local/test.sh
index 6fd298202ea3dd8a111c47e4ed5047bc8ce27c0f..fd9cb5661fad7b05356a98635080ab0d2e3327c3 100755
--- a/examples/aishell/s0/local/test.sh
+++ b/examples/aishell/s0/local/test.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: ${0} config_path ckpt_path_prefix"
@@ -9,7 +9,7 @@ ngpu=$(echo $CUDA_VISIBLE_DEVICES | awk -F "," '{print NF}')
 echo "using $ngpu gpus..."
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 config_path=$1
diff --git a/examples/aishell/s0/local/train.sh b/examples/aishell/s0/local/train.sh
index f8c9dbc0b5a708457294c6460b6d33ba27f6e9b9..f6bd2c98359b67292f9654c69ed11fc1a6720046 100755
--- a/examples/aishell/s0/local/train.sh
+++ b/examples/aishell/s0/local/train.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: CUDA_VISIBLE_DEVICES=0 ${0} config_path ckpt_name"
@@ -12,7 +12,7 @@ config_path=$1
 ckpt_name=$2
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 
diff --git a/examples/aishell/s0/local/tune.sh b/examples/aishell/s0/local/tune.sh
index 9ff5e8b99860ccfbcab67ab17206a7980c0d04b0..59406cd5b3b28f17a3a0d4cbb1e01c97f6cb3703 100755
--- a/examples/aishell/s0/local/tune.sh
+++ b/examples/aishell/s0/local/tune.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 # grid-search for hyper-parameters in language model
 python3 -u ${BIN_DIR}/tune.py \
diff --git a/examples/aishell/s1/README.md b/examples/aishell/s1/README.md
index 78e759c8f9cb93211dc1192aff779289111d3ec1..07cc569ed9262949741d1e183ca051bfb4de87dd 100644
--- a/examples/aishell/s1/README.md
+++ b/examples/aishell/s1/README.md
@@ -12,12 +12,12 @@
 
 ## Chunk Conformer
 
-| Model | Params | Config | Augmentation| Test set | Decode method | Chunk | Loss | WER |  
+| Model | Params | Config | Augmentation| Test set | Decode method | Chunk Size & Left Chunks | Loss | WER |  
 | --- | --- | --- | --- | --- | --- | --- | --- | --- |  
-| conformer | 47.06M | conf/chunk_conformer.yaml | spec_aug + shift | test | attention | 16 | - | 0.061939 |  
-| conformer | 47.06M | conf/chunk_conformer.yaml | spec_aug + shift | test | ctc_greedy_search | 16 | - | 0.070806 |  
-| conformer | 47.06M | conf/chunk_conformer.yaml | spec_aug + shift | test | ctc_prefix_beam_search | 16 | - | 0.070739 |  
-| conformer | 47.06M | conf/chunk_conformer.yaml | spec_aug + shift | test | attention_rescoring | 16 |  - | 0.059400 |  
+| conformer | 47.06M | conf/chunk_conformer.yaml | spec_aug + shift | test | attention | 16, -1 | - | 0.061939 |  
+| conformer | 47.06M | conf/chunk_conformer.yaml | spec_aug + shift | test | ctc_greedy_search | 16, -1 | - | 0.070806 |  
+| conformer | 47.06M | conf/chunk_conformer.yaml | spec_aug + shift | test | ctc_prefix_beam_search | 16, -1 | - | 0.070739 |  
+| conformer | 47.06M | conf/chunk_conformer.yaml | spec_aug + shift | test | attention_rescoring | 16, -1 |  - | 0.059400 |  
 
 
 ## Transformer
diff --git a/examples/aishell/s1/local/align.sh b/examples/aishell/s1/local/align.sh
index 926cb9397d422ba2b91fb8ca3cb28985f6936bc3..ad6c84bc8cf398cddecfadbbb47b7ef9c60e9158 100755
--- a/examples/aishell/s1/local/align.sh
+++ b/examples/aishell/s1/local/align.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: ${0} config_path ckpt_path_prefix"
@@ -9,18 +9,12 @@ ngpu=$(echo $CUDA_VISIBLE_DEVICES | awk -F "," '{print NF}')
 echo "using $ngpu gpus..."
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 config_path=$1
 ckpt_prefix=$2
 
-ckpt_name=$(basename ${ckpt_prefxi})
-
-mkdir -p exp
-
-
-
 batch_size=1
 output_dir=${ckpt_prefix}
 mkdir -p ${output_dir}
diff --git a/examples/aishell/s1/local/data.sh b/examples/aishell/s1/local/data.sh
index c6abce3b4cfbf1a2f7534c15908151ac1e728e19..8d5ac4d5939e108697d01d5e6624a83f50e34b16 100755
--- a/examples/aishell/s1/local/data.sh
+++ b/examples/aishell/s1/local/data.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 stage=-1
 stop_stage=100
diff --git a/examples/aishell/s1/local/export.sh b/examples/aishell/s1/local/export.sh
index 1b19d5720b731bed8006d1faed03176dd4ba0c56..f99a15bade1c89f968e84a6c10d500466f884d5b 100755
--- a/examples/aishell/s1/local/export.sh
+++ b/examples/aishell/s1/local/export.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 3 ];then
     echo "usage: $0 config_path ckpt_prefix jit_model_path"
@@ -13,7 +13,7 @@ ckpt_path_prefix=$2
 jit_model_export_path=$3
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 
diff --git a/examples/aishell/s1/local/test.sh b/examples/aishell/s1/local/test.sh
index 073aaffd4ddfe1a982280c7c0891a05b10f2ad12..1886590ff72ec7d04f9c2f1f798b108df14610ea 100755
--- a/examples/aishell/s1/local/test.sh
+++ b/examples/aishell/s1/local/test.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: ${0} config_path ckpt_path_prefix"
@@ -9,15 +9,17 @@ ngpu=$(echo $CUDA_VISIBLE_DEVICES | awk -F "," '{print NF}')
 echo "using $ngpu gpus..."
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
+
 config_path=$1
 ckpt_prefix=$2
 
-ckpt_name=$(basename ${ckpt_prefxi})
-
-mkdir -p exp
+chunk_mode=false
+if [[ ${config_path} =~ ^chunk_ ]];then
+    chunk_mode=true
+fi
 
 # download language model
 #bash local/download_lm_ch.sh
@@ -28,7 +30,12 @@ mkdir -p exp
 
 for type in attention ctc_greedy_search; do
     echo "decoding ${type}"
-    batch_size=64
+    if [ ${chunk_mode} == true ];then
+        # stream decoding only support batchsize=1
+        batch_size=1
+    else
+        batch_size=64
+    fi
     output_dir=${ckpt_prefix}
     mkdir -p ${output_dir}
     python3 -u ${BIN_DIR}/test.py \
diff --git a/examples/aishell/s1/local/train.sh b/examples/aishell/s1/local/train.sh
index a4218aa861431c048256f22661b232a67a04f479..f3eb98daf6da6c818de1cd2fc2f56e96ff6a926c 100755
--- a/examples/aishell/s1/local/train.sh
+++ b/examples/aishell/s1/local/train.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: CUDA_VISIBLE_DEVICES=0 ${0} config_path ckpt_name"
@@ -12,7 +12,7 @@ config_path=$1
 ckpt_name=$2
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 echo "using ${device}..."
diff --git a/examples/librispeech/s0/local/data.sh b/examples/librispeech/s0/local/data.sh
index 921f1f49a264340d7f6d31f333fcfd96084b5b5d..b71809869d431a716d0f5bc0ca1ffd845b943f08 100755
--- a/examples/librispeech/s0/local/data.sh
+++ b/examples/librispeech/s0/local/data.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 stage=-1
 stop_stage=100
diff --git a/examples/librispeech/s0/local/download_lm_en.sh b/examples/librispeech/s0/local/download_lm_en.sh
index 05ea793fb0edb711ab63804f12f0de1faf22fd3b..dc1bdf665ac7783bc1e7344fbcbddc0b9744f44b 100755
--- a/examples/librispeech/s0/local/download_lm_en.sh
+++ b/examples/librispeech/s0/local/download_lm_en.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 . ${MAIN_ROOT}/utils/utility.sh
 
diff --git a/examples/librispeech/s0/local/export.sh b/examples/librispeech/s0/local/export.sh
index 1b19d5720b731bed8006d1faed03176dd4ba0c56..f99a15bade1c89f968e84a6c10d500466f884d5b 100755
--- a/examples/librispeech/s0/local/export.sh
+++ b/examples/librispeech/s0/local/export.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 3 ];then
     echo "usage: $0 config_path ckpt_prefix jit_model_path"
@@ -13,7 +13,7 @@ ckpt_path_prefix=$2
 jit_model_export_path=$3
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 
diff --git a/examples/librispeech/s0/local/test.sh b/examples/librispeech/s0/local/test.sh
index 79e05838ccb3d3b6575c19e58ec93c324d8f8060..16a5e9ef0d2045f48d4acafe18dec3cfef992e52 100755
--- a/examples/librispeech/s0/local/test.sh
+++ b/examples/librispeech/s0/local/test.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: ${0} config_path ckpt_path_prefix"
@@ -9,7 +9,7 @@ ngpu=$(echo $CUDA_VISIBLE_DEVICES | awk -F "," '{print NF}')
 echo "using $ngpu gpus..."
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 config_path=$1
diff --git a/examples/librispeech/s0/local/train.sh b/examples/librispeech/s0/local/train.sh
index a4218aa861431c048256f22661b232a67a04f479..f3eb98daf6da6c818de1cd2fc2f56e96ff6a926c 100755
--- a/examples/librispeech/s0/local/train.sh
+++ b/examples/librispeech/s0/local/train.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: CUDA_VISIBLE_DEVICES=0 ${0} config_path ckpt_name"
@@ -12,7 +12,7 @@ config_path=$1
 ckpt_name=$2
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 echo "using ${device}..."
diff --git a/examples/librispeech/s0/local/tune.sh b/examples/librispeech/s0/local/tune.sh
index 4bb81d29bb8c22b10a80ab1d6138ed4e63127078..c344e77e58a52c803bd69e1bd27804c8d0072415 100755
--- a/examples/librispeech/s0/local/tune.sh
+++ b/examples/librispeech/s0/local/tune.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 1 ];then
     echo "usage: tune ckpt_path"
diff --git a/examples/librispeech/s1/README.md b/examples/librispeech/s1/README.md
index 5e23c0ab5f582d35cdb4dd41a9c3066d82f65b91..5b4130bb2550901548f1d064f7384da351fc80ce 100644
--- a/examples/librispeech/s1/README.md
+++ b/examples/librispeech/s1/README.md
@@ -10,6 +10,18 @@
 | conformer | 47.63 M | conf/conformer.yaml | spec_aug + shift | test-clean | ctc_prefix_beam_search | 6.35 | 0.037761 |  
 | conformer | 47.63 M | conf/conformer.yaml | spec_aug + shift | test-clean | attention_rescoring | 6.35 | 0.032115 |  
 
+
+## Chunk Conformer
+
+| Model | Params | Config | Augmentation| Test set | Decode method | Chunk Size & Left Chunks | Loss | WER |  
+| --- | --- | --- | --- | --- | --- | --- | --- | --- |  
+| conformer | 47.63 M | conf/chunk_conformer.yaml | spec_aug + shift | test-clean | attention | 16, -1 | 7.01250648 |  |  
+| conformer | 47.63 M | conf/chunk_conformer.yaml | spec_aug + shift | test-clean | ctc_greedy_search | 16, -1 | 7.01250648 |  |  
+| conformer | 47.63 M | conf/chunk_conformer.yaml | spec_aug + shift | test-clean | ctc_prefix_beam_search | 16, -1 | 7.01250648 |  |  
+| conformer | 47.63 M | conf/chunk_conformer.yaml | spec_aug + shift | test-clean | attention_rescoring | 16, -1 | 7.01250648 | |  
+
+
+
 ## Transformer
 
 | Model | Params | Config | Augmentation| Test set | Decode method | Loss | WER |  
diff --git a/examples/librispeech/s1/conf/chunk_confermer.yaml b/examples/librispeech/s1/conf/chunk_confermer.yaml
index 5af6895949bb1afa7f9bb0ee8b09667a631f1ce0..d78ce74015e8a704ca7b1937a3ce63975b807803 100644
--- a/examples/librispeech/s1/conf/chunk_confermer.yaml
+++ b/examples/librispeech/s1/conf/chunk_confermer.yaml
@@ -110,7 +110,7 @@ decoding:
   cutoff_top_n: 0
   num_proc_bsearch: 8
   ctc_weight: 0.5 # ctc weight for attention rescoring decode mode.
-  decoding_chunk_size: -1 # decoding chunk size. Defaults to -1.
+  decoding_chunk_size: 16 # decoding chunk size. Defaults to -1.
       # <0: for decoding, use full chunk.
       # >0: for decoding, use fixed chunk size as set.
       # 0: used for training, it's prohibited here. 
diff --git a/examples/librispeech/s1/local/align.sh b/examples/librispeech/s1/local/align.sh
index 926cb9397d422ba2b91fb8ca3cb28985f6936bc3..ad6c84bc8cf398cddecfadbbb47b7ef9c60e9158 100755
--- a/examples/librispeech/s1/local/align.sh
+++ b/examples/librispeech/s1/local/align.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: ${0} config_path ckpt_path_prefix"
@@ -9,18 +9,12 @@ ngpu=$(echo $CUDA_VISIBLE_DEVICES | awk -F "," '{print NF}')
 echo "using $ngpu gpus..."
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 config_path=$1
 ckpt_prefix=$2
 
-ckpt_name=$(basename ${ckpt_prefxi})
-
-mkdir -p exp
-
-
-
 batch_size=1
 output_dir=${ckpt_prefix}
 mkdir -p ${output_dir}
diff --git a/examples/librispeech/s1/local/data.sh b/examples/librispeech/s1/local/data.sh
index fbdd17d58fb9f36d1a5902e155d13eb132576f8d..4ad476d3785ba8b9515d3e9eea37f3a568dc8256 100755
--- a/examples/librispeech/s1/local/data.sh
+++ b/examples/librispeech/s1/local/data.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 stage=-1
 stop_stage=100
diff --git a/examples/librispeech/s1/local/download_lm_en.sh b/examples/librispeech/s1/local/download_lm_en.sh
index 05ea793fb0edb711ab63804f12f0de1faf22fd3b..dc1bdf665ac7783bc1e7344fbcbddc0b9744f44b 100755
--- a/examples/librispeech/s1/local/download_lm_en.sh
+++ b/examples/librispeech/s1/local/download_lm_en.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 . ${MAIN_ROOT}/utils/utility.sh
 
diff --git a/examples/librispeech/s1/local/export.sh b/examples/librispeech/s1/local/export.sh
index 1b19d5720b731bed8006d1faed03176dd4ba0c56..f99a15bade1c89f968e84a6c10d500466f884d5b 100755
--- a/examples/librispeech/s1/local/export.sh
+++ b/examples/librispeech/s1/local/export.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 3 ];then
     echo "usage: $0 config_path ckpt_prefix jit_model_path"
@@ -13,7 +13,7 @@ ckpt_path_prefix=$2
 jit_model_export_path=$3
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 
diff --git a/examples/librispeech/s1/local/test.sh b/examples/librispeech/s1/local/test.sh
index 8c323e0027b0cc06c1a01ce938340ff146a108be..fe01d70043d23d5ee699d136c906c2630292cc6d 100755
--- a/examples/librispeech/s1/local/test.sh
+++ b/examples/librispeech/s1/local/test.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: ${0} config_path ckpt_path_prefix"
@@ -9,12 +9,19 @@ ngpu=$(echo $CUDA_VISIBLE_DEVICES | awk -F "," '{print NF}')
 echo "using $ngpu gpus..."
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
+
 config_path=$1
 ckpt_prefix=$2
 
+chunk_mode=false
+if [[ ${config_path} =~ ^chunk_ ]];then
+    chunk_mode=true
+fi
+
+
 # download language model
 #bash local/download_lm_en.sh
 #if [ $? -ne 0 ]; then
@@ -23,7 +30,12 @@ ckpt_prefix=$2
 
 for type in attention ctc_greedy_search; do
     echo "decoding ${type}"
-    batch_size=64
+    if [ ${chunk_mode} == true ];then
+        # stream decoding only support batchsize=1
+        batch_size=1
+    else
+        batch_size=64
+    fi
     python3 -u ${BIN_DIR}/test.py \
     --device ${device} \
     --nproc 1 \
diff --git a/examples/librispeech/s1/local/train.sh b/examples/librispeech/s1/local/train.sh
index a4218aa861431c048256f22661b232a67a04f479..f3eb98daf6da6c818de1cd2fc2f56e96ff6a926c 100755
--- a/examples/librispeech/s1/local/train.sh
+++ b/examples/librispeech/s1/local/train.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: CUDA_VISIBLE_DEVICES=0 ${0} config_path ckpt_name"
@@ -12,7 +12,7 @@ config_path=$1
 ckpt_name=$2
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 echo "using ${device}..."
diff --git a/examples/tiny/s0/local/data.sh b/examples/tiny/s0/local/data.sh
index 727a3da9500496ccaaa1497590ceb3bdc4aadf63..02fdb70673e639c47ccc79c550e6507fe016cb45 100755
--- a/examples/tiny/s0/local/data.sh
+++ b/examples/tiny/s0/local/data.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 stage=-1
 stop_stage=100
diff --git a/examples/tiny/s0/local/download_lm_en.sh b/examples/tiny/s0/local/download_lm_en.sh
index 05ea793fb0edb711ab63804f12f0de1faf22fd3b..dc1bdf665ac7783bc1e7344fbcbddc0b9744f44b 100755
--- a/examples/tiny/s0/local/download_lm_en.sh
+++ b/examples/tiny/s0/local/download_lm_en.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 . ${MAIN_ROOT}/utils/utility.sh
 
diff --git a/examples/tiny/s0/local/export.sh b/examples/tiny/s0/local/export.sh
index 1b19d5720b731bed8006d1faed03176dd4ba0c56..f99a15bade1c89f968e84a6c10d500466f884d5b 100755
--- a/examples/tiny/s0/local/export.sh
+++ b/examples/tiny/s0/local/export.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 3 ];then
     echo "usage: $0 config_path ckpt_prefix jit_model_path"
@@ -13,7 +13,7 @@ ckpt_path_prefix=$2
 jit_model_export_path=$3
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 
diff --git a/examples/tiny/s0/local/test.sh b/examples/tiny/s0/local/test.sh
index 79e05838ccb3d3b6575c19e58ec93c324d8f8060..16a5e9ef0d2045f48d4acafe18dec3cfef992e52 100755
--- a/examples/tiny/s0/local/test.sh
+++ b/examples/tiny/s0/local/test.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: ${0} config_path ckpt_path_prefix"
@@ -9,7 +9,7 @@ ngpu=$(echo $CUDA_VISIBLE_DEVICES | awk -F "," '{print NF}')
 echo "using $ngpu gpus..."
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 config_path=$1
diff --git a/examples/tiny/s0/local/train.sh b/examples/tiny/s0/local/train.sh
index f8c9dbc0b5a708457294c6460b6d33ba27f6e9b9..f6bd2c98359b67292f9654c69ed11fc1a6720046 100755
--- a/examples/tiny/s0/local/train.sh
+++ b/examples/tiny/s0/local/train.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: CUDA_VISIBLE_DEVICES=0 ${0} config_path ckpt_name"
@@ -12,7 +12,7 @@ config_path=$1
 ckpt_name=$2
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 
diff --git a/examples/tiny/s0/local/tune.sh b/examples/tiny/s0/local/tune.sh
index 4bb81d29bb8c22b10a80ab1d6138ed4e63127078..c344e77e58a52c803bd69e1bd27804c8d0072415 100755
--- a/examples/tiny/s0/local/tune.sh
+++ b/examples/tiny/s0/local/tune.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 1 ];then
     echo "usage: tune ckpt_path"
diff --git a/examples/tiny/s1/local/align.sh b/examples/tiny/s1/local/align.sh
index 926cb9397d422ba2b91fb8ca3cb28985f6936bc3..ad6c84bc8cf398cddecfadbbb47b7ef9c60e9158 100755
--- a/examples/tiny/s1/local/align.sh
+++ b/examples/tiny/s1/local/align.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: ${0} config_path ckpt_path_prefix"
@@ -9,18 +9,12 @@ ngpu=$(echo $CUDA_VISIBLE_DEVICES | awk -F "," '{print NF}')
 echo "using $ngpu gpus..."
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 config_path=$1
 ckpt_prefix=$2
 
-ckpt_name=$(basename ${ckpt_prefxi})
-
-mkdir -p exp
-
-
-
 batch_size=1
 output_dir=${ckpt_prefix}
 mkdir -p ${output_dir}
diff --git a/examples/tiny/s1/local/data.sh b/examples/tiny/s1/local/data.sh
index deff91e03f4002d82b845344fdf66070eb37bc4b..2aea250b5decf5ecfffa92c7330d34d6e3e6cf81 100755
--- a/examples/tiny/s1/local/data.sh
+++ b/examples/tiny/s1/local/data.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 stage=-1
 stop_stage=100
diff --git a/examples/tiny/s1/local/export.sh b/examples/tiny/s1/local/export.sh
index 1b19d5720b731bed8006d1faed03176dd4ba0c56..f99a15bade1c89f968e84a6c10d500466f884d5b 100755
--- a/examples/tiny/s1/local/export.sh
+++ b/examples/tiny/s1/local/export.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 3 ];then
     echo "usage: $0 config_path ckpt_prefix jit_model_path"
@@ -13,7 +13,7 @@ ckpt_path_prefix=$2
 jit_model_export_path=$3
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 
diff --git a/examples/tiny/s1/local/test.sh b/examples/tiny/s1/local/test.sh
index 240a63b06afab0b24ba3c1ff5421d1034c8fe1de..eb5e995dfb9347f792b8d54f37c2f6cb7cd986d9 100755
--- a/examples/tiny/s1/local/test.sh
+++ b/examples/tiny/s1/local/test.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: ${0} config_path ckpt_path_prefix"
@@ -9,29 +9,60 @@ ngpu=$(echo $CUDA_VISIBLE_DEVICES | awk -F "," '{print NF}')
 echo "using $ngpu gpus..."
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi
 config_path=$1
 ckpt_prefix=$2
 
+chunk_mode=false
+if [[ ${config_path} =~ ^chunk_ ]];then
+    chunk_mode=true
+fi
+
 # download language model
 #bash local/download_lm_en.sh
 #if [ $? -ne 0 ]; then
 #    exit 1
 #fi
 
-python3 -u ${BIN_DIR}/test.py \
---device ${device} \
---nproc 1 \
---config ${config_path} \
---result_file ${ckpt_prefix}.rsl \
---checkpoint_path ${ckpt_prefix}
+for type in attention ctc_greedy_search; do
+    echo "decoding ${type}"
+    if [ ${chunk_mode} == true ];then
+        # stream decoding only support batchsize=1
+        batch_size=1
+    else
+        batch_size=64
+    fi
+    python3 -u ${BIN_DIR}/test.py \
+    --device ${device} \
+    --nproc 1 \
+    --config ${config_path} \
+    --result_file ${ckpt_prefix}.${type}.rsl \
+    --checkpoint_path ${ckpt_prefix} \
+    --opts decoding.decoding_method ${type} decoding.batch_size ${batch_size}
 
-if [ $? -ne 0 ]; then
-    echo "Failed in evaluation!"
-    exit 1
-fi
+    if [ $? -ne 0 ]; then
+        echo "Failed in evaluation!"
+        exit 1
+    fi
+done
+
+for type in ctc_prefix_beam_search attention_rescoring; do
+    echo "decoding ${type}"
+    batch_size=1
+    python3 -u ${BIN_DIR}/test.py \
+    --device ${device} \
+    --nproc 1 \
+    --config ${config_path} \
+    --result_file ${ckpt_prefix}.${type}.rsl \
+    --checkpoint_path ${ckpt_prefix} \
+    --opts decoding.decoding_method ${type} decoding.batch_size ${batch_size}
 
+    if [ $? -ne 0 ]; then
+        echo "Failed in evaluation!"
+        exit 1
+    fi
+done
 
 exit 0
diff --git a/examples/tiny/s1/local/train.sh b/examples/tiny/s1/local/train.sh
index f8c9dbc0b5a708457294c6460b6d33ba27f6e9b9..f6bd2c98359b67292f9654c69ed11fc1a6720046 100755
--- a/examples/tiny/s1/local/train.sh
+++ b/examples/tiny/s1/local/train.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#!/bin/bash
 
 if [ $# != 2 ];then
     echo "usage: CUDA_VISIBLE_DEVICES=0 ${0} config_path ckpt_name"
@@ -12,7 +12,7 @@ config_path=$1
 ckpt_name=$2
 
 device=gpu
-if [ ngpu == 0 ];then
+if [ ${ngpu} == 0 ];then
     device=cpu
 fi