diff --git a/demo/label_semantic_roles/train_ft.py b/demo/label_semantic_roles/train_ft.py
index a9e20920..90097fd7 100644
--- a/demo/label_semantic_roles/train_ft.py
+++ b/demo/label_semantic_roles/train_ft.py
@@ -6,8 +6,8 @@
 import paddle.v2.evaluator as evaluator
 from paddle.v2.reader.creator import cloud_reader
 
-master_ip = os.getenv("MASTER_IP")
-etcd_endpoint = "http://" + master_ip + ":" + "2379"
+etcd_ip = os.getenv("ETCD_IP")
+etcd_endpoint = "http://" + etcd_ip + ":" + "2379"
 
 word_dict, verb_dict, label_dict = conll05.get_dict()
 word_dict_len = len(word_dict)
diff --git a/demo/machine_translation/train_ft.py b/demo/machine_translation/train_ft.py
index c4af22d5..0d216ff4 100644
--- a/demo/machine_translation/train_ft.py
+++ b/demo/machine_translation/train_ft.py
@@ -5,8 +5,8 @@
 import paddle.v2 as paddle
 from paddle.v2.reader.creator import cloud_reader
 
-master_ip = os.getenv("MASTER_IP")
-etcd_endpoint = "http://" + master_ip + ":" + "2379"
+etcd_ip = os.getenv("ETCD_IP")
+etcd_endpoint = "http://" + etcd_ip + ":" + "2379"
 
 def save_model(parameters, save_path):
     with open(save_path, 'w') as f: