diff --git a/ucoin/network/peering/peers.py b/ucoin/network/peering/peers.py
index f69d314aac00a532c5305ebbcc307e1005e4b8f3..8d8edfda3706a654a9364b3a941c4a9bc5865f39 100644
--- a/ucoin/network/peering/peers.py
+++ b/ucoin/network/peering/peers.py
@@ -58,7 +58,7 @@ class UpStream(Stream):
     def __get__(self, **kwargs):
         """returns the corresponding peer list."""
 
-        return self.requests_get('/upstream/%s' % (self.request, self.pgp_fingerprint), **kwargs).json()
+        return self.requests_get('/%s/%s' % (self.request, self.pgp_fingerprint), **kwargs).json()
 
 class DownStream(Stream):
     """GET a list of peers this node is listening by for ANY incoming transaction."""
@@ -76,4 +76,4 @@ class DownStream(Stream):
     def __get__(self, **kwargs):
         """returns the corresponding peer list."""
 
-        return self.requests_get('/downstream/%s' % (self.request, self.pgp_fingerprint), **kwargs).json()
+        return self.requests_get('/%s/%s' % (self.request, self.pgp_fingerprint), **kwargs).json()
diff --git a/ucoin/wrappers/transactions.py b/ucoin/wrappers/transactions.py
index 4de53ff927a611ad2f54063a6d6be4532b24f543..28d4585565e2b3f046ec3b4c4bb5c2075b66154e 100644
--- a/ucoin/wrappers/transactions.py
+++ b/ucoin/wrappers/transactions.py
@@ -22,6 +22,7 @@ from . import Wrapper, pks, network, hdc, registry, settings
 
 logger = logging.getLogger("transactions")
 
+
 class Transaction(Wrapper):
     def __init__(self, type, pgp_fingerprint, message='', keyid=None, peering=None, server=None, port=None):
         super().__init__(server, port)