diff --git a/examples/aishell/branchformer/run.sh b/examples/aishell/branchformer/run.sh
index 722955777..5b649546f 100755
--- a/examples/aishell/branchformer/run.sh
+++ b/examples/aishell/branchformer/run.sh
@@ -17,7 +17,7 @@ nj=32
 inference_device="cuda" #"cpu"
 inference_checkpoint="model.pt.avg10"
 inference_scp="wav.scp"
-inference_batch_size=32
+inference_batch_size=1
 
 # data
 raw_data=../raw_data
diff --git a/examples/aishell/conformer/run.sh b/examples/aishell/conformer/run.sh
index 9fd386850..351a7c295 100755
--- a/examples/aishell/conformer/run.sh
+++ b/examples/aishell/conformer/run.sh
@@ -17,7 +17,7 @@ nj=32
 inference_device="cuda" #"cpu", "cuda:0", "cuda:1"
 inference_checkpoint="model.pt.avg10"
 inference_scp="wav.scp"
-inference_batch_size=32
+inference_batch_size=1
 
 # data
 raw_data=../raw_data
diff --git a/examples/aishell/e_branchformer/run.sh b/examples/aishell/e_branchformer/run.sh
index 0eee34a55..452ec80ba 100755
--- a/examples/aishell/e_branchformer/run.sh
+++ b/examples/aishell/e_branchformer/run.sh
@@ -17,7 +17,7 @@ nj=32
 inference_device="cuda" #"cpu"
 inference_checkpoint="model.pt.avg10"
 inference_scp="wav.scp"
-inference_batch_size=32
+inference_batch_size=1
 
 # data
 raw_data=../raw_data
diff --git a/examples/aishell/transformer/run.sh b/examples/aishell/transformer/run.sh
index 618bbd150..cb2acefdc 100755
--- a/examples/aishell/transformer/run.sh
+++ b/examples/aishell/transformer/run.sh
@@ -17,7 +17,7 @@ nj=32
 inference_device="cuda" #"cpu"
 inference_checkpoint="model.pt.avg10"
 inference_scp="wav.scp"
-inference_batch_size=32
+inference_batch_size=1
 
 # data
 raw_data=../raw_data