diff --git a/examples/aishell/s1/local/test.sh b/examples/aishell/s1/local/test.sh
index 1886590ff..f7e99ad7f 100755
--- a/examples/aishell/s1/local/test.sh
+++ b/examples/aishell/s1/local/test.sh
@@ -17,7 +17,7 @@ config_path=$1
 ckpt_prefix=$2
 
 chunk_mode=false
-if [[ ${config_path} =~ ^chunk_ ]];then
+if [[ ${config_path} =~ ^.*chunk_.*yaml$ ]];then
     chunk_mode=true
 fi
 
diff --git a/examples/librispeech/s1/local/test.sh b/examples/librispeech/s1/local/test.sh
index fe01d7004..3bd3f0bba 100755
--- a/examples/librispeech/s1/local/test.sh
+++ b/examples/librispeech/s1/local/test.sh
@@ -17,9 +17,10 @@ config_path=$1
 ckpt_prefix=$2
 
 chunk_mode=false
-if [[ ${config_path} =~ ^chunk_ ]];then
+if [[ ${config_path} =~ ^.*chunk_.*yaml$ ]];then
     chunk_mode=true
 fi
+echo "chunk mode ${chunk_mode}"
 
 
 # download language model
diff --git a/examples/timit/s1/local/test.sh b/examples/timit/s1/local/test.sh
index fe01d7004..a137924e2 100755
--- a/examples/timit/s1/local/test.sh
+++ b/examples/timit/s1/local/test.sh
@@ -17,7 +17,7 @@ config_path=$1
 ckpt_prefix=$2
 
 chunk_mode=false
-if [[ ${config_path} =~ ^chunk_ ]];then
+if [[ ${config_path} =~ ^.*chunk_.*yaml$ ]];then
     chunk_mode=true
 fi
 
diff --git a/examples/tiny/s1/local/test.sh b/examples/tiny/s1/local/test.sh
index eb5e995df..4d3ed081a 100755
--- a/examples/tiny/s1/local/test.sh
+++ b/examples/tiny/s1/local/test.sh
@@ -16,7 +16,7 @@ config_path=$1
 ckpt_prefix=$2
 
 chunk_mode=false
-if [[ ${config_path} =~ ^chunk_ ]];then
+if [[ ${config_path} =~ ^.*chunk_.*yaml$ ]];then
     chunk_mode=true
 fi