diff --git a/ptuning/main.py b/ptuning/main.py
index 17e18b5..3ce58f6 100644
--- a/ptuning/main.py
+++ b/ptuning/main.py
@@ -47,6 +47,11 @@ from arguments import ModelArguments, DataTrainingArguments
 logger = logging.getLogger(__name__)
 
 def main():
+    
+    if sys.platform == "win32":
+        torch.distributed.init_process_group(backend='gloo')
+    else:
+        torch.distributed.init_process_group(backend='nccl')
 
     parser = HfArgumentParser((ModelArguments, DataTrainingArguments, Seq2SeqTrainingArguments))
     if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):