diff --git a/internlm/initialize/launch.py b/internlm/initialize/launch.py
index 2683750..bea5806 100644
--- a/internlm/initialize/launch.py
+++ b/internlm/initialize/launch.py
@@ -40,7 +40,7 @@ def get_default_parser():
         help="launcher for launching distributed environment",
     )
     parser.add_argument("--host", type=str, help="the master address for distributed training")
-    parser.add_argument("--port", type=int, default=9999, help="the master port for distributed training")
+    parser.add_argument("--port", type=int, default=8888, help="the master port for distributed training")
     parser.add_argument("--world_size", type=int, help="world size for distributed training")
     parser.add_argument("--rank", type=int, help="rank for the default process group")
     parser.add_argument("--local_rank", type=int, help="local rank on the node")