diff --git a/Classification/cnns/config.py b/Classification/cnns/config.py
index 828e38b9684c97680bee63758a44f276ec36a97a..5e687afe8d6c59f77b97e663a45f26dc4bafea38 100755
--- a/Classification/cnns/config.py
+++ b/Classification/cnns/config.py
@@ -52,7 +52,7 @@ def get_parser(parser=None):
                         help='node/machine number for training')
     parser.add_argument('--node_ips', type=str_list, default=['192.168.1.13', '192.168.1.14'],
                         help='nodes ip list for training, devided by ",", length >= num_nodes')
-    parser.add_argument("--ctrl_port", type=int, default=12315, help='ctrl_port for multinode job')
+    parser.add_argument("--ctrl_port", type=int, default=50051, help='ctrl_port for multinode job')
 
     parser.add_argument("--model", type=str, default="resnet50",
                         help="resnet50")
diff --git a/ClickThroughRate/WideDeepLearning/wdl_train_eval.py b/ClickThroughRate/WideDeepLearning/wdl_train_eval.py
index 3b7418689e9466ccb54fa30d331a3f7e8f5292c7..86f4ece8b54b2ed4a24be34577ad890216a02c47 100644
--- a/ClickThroughRate/WideDeepLearning/wdl_train_eval.py
+++ b/ClickThroughRate/WideDeepLearning/wdl_train_eval.py
@@ -50,7 +50,7 @@ parser.add_argument('--num_nodes', type=int, default=1,
                     help='node/machine number for training')
 parser.add_argument('--node_ips', type=str_list, default=['192.168.1.13', '192.168.1.14'],
                     help='nodes ip list for training, devided by ",", length >= num_nodes')
-parser.add_argument("--ctrl_port", type=int, default=12315, help='ctrl_port for multinode job')
+parser.add_argument("--ctrl_port", type=int, default=50051, help='ctrl_port for multinode job')
 parser.add_argument('--hidden_units_num', type=int, default=7)
 parser.add_argument('--hidden_size', type=int, default=1024)
 
diff --git a/LanguageModeling/BERT/config.py b/LanguageModeling/BERT/config.py
index 2d695b2594bbd062d79ec6c661afde8628a74226..0943d9df2288244a110c594fafedd2b9df1e784b 100644
--- a/LanguageModeling/BERT/config.py
+++ b/LanguageModeling/BERT/config.py
@@ -48,7 +48,7 @@ def get_parser(parser=None):
                         help='node/machine number for training')
     parser.add_argument('--node_ips', type=str_list, default=['192.168.1.13', '192.168.1.14'],
                         help='nodes ip list for training, devided by ",", length >= num_nodes')
-    parser.add_argument("--ctrl_port", type=int, default=12315, help='ctrl_port for multinode job')
+    parser.add_argument("--ctrl_port", type=int, default=50051, help='ctrl_port for multinode job')
 
     # train
     parser.add_argument("--learning_rate", type=float, default=1e-4, help="Learning rate")