diff --git a/examples/aishell/asr1/run.sh b/examples/aishell/asr1/run.sh
index bd4f50e3f..701dcd2ac 100644
--- a/examples/aishell/asr1/run.sh
+++ b/examples/aishell/asr1/run.sh
@@ -2,8 +2,8 @@
 source path.sh
 set -e
 
-gpus=0,1,2,3
-stage=0
+gpus=1
+stage=1
 stop_stage=50
 conf_path=conf/conformer.yaml
 ips=            #xx.xx.xx.xx,xx.xx.xx.xx
diff --git a/paddlespeech/s2t/training/trainer.py b/paddlespeech/s2t/training/trainer.py
index a7eb9892d..d1bd30fef 100644
--- a/paddlespeech/s2t/training/trainer.py
+++ b/paddlespeech/s2t/training/trainer.py
@@ -19,6 +19,9 @@ from pathlib import Path
 
 import paddle
 from paddle import distributed as dist
+import pdb
+pdb.set_trace()
+dist.init_parallel_env()
 from visualdl import LogWriter
 
 from paddlespeech.s2t.training.reporter import ObsScope
@@ -176,7 +179,7 @@ class Trainer():
     def init_parallel(self):
         """Init environment for multiprocess training.
         """
-        dist.init_parallel_env()
+        # dist.init_parallel_env()
 
     @mp_tools.rank_zero_only
     def save(self, tag=None, infos: dict=None):