diff --git a/vn.ib/vnib/Visual Studio 2013/settings/Windows Azure Subscriptions.xml b/vn.ib/vnib/Visual Studio 2013/settings/Windows Azure Subscriptions.xml
index ee4dca4d..c99985de 100644
--- a/vn.ib/vnib/Visual Studio 2013/settings/Windows Azure Subscriptions.xml	
+++ b/vn.ib/vnib/Visual Studio 2013/settings/Windows Azure Subscriptions.xml	
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
 <SubscriptionDataContainer xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="urn:Microsoft.VisualStudio.WindowsAzure.CommonAzureTools.Authentication.CacheManagement">
   <Items />
-  <TokenCache>AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAhuIZgFnYcU6wvp5DI4FozAAAAAACAAAAAAAQZgAAAAEAACAAAADbHX9MGY1db5F4b+OyG6c/B78GOMBlEj6iQbaFcLZJCAAAAAAOgAAAAAIAACAAAADn7kKZgsW4pBHXuVEmex+oXTGG5hNRZGiXkpNGYXsFPBAAAACHqHiPVtiM03bftyY0V78iQAAAACpQVRyEMAhwGyl6Ekto5M6tZRU4Nu9lGQ6I+0d85GOVYFPsld6n8j1heCXRQ5facD4R4R9fqjq858G/Iyjl0vQ=</TokenCache>
+  <TokenCache>AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAhuIZgFnYcU6wvp5DI4FozAAAAAACAAAAAAAQZgAAAAEAACAAAAAP+ZejtWt08T4CHAObG1FMrnjuDrDgxp3Kgz3p0GFTiAAAAAAOgAAAAAIAACAAAADnqXDqufrv721M+KR/tLuCYzN6ynSphcMeiL+hw9/zfBAAAAA0xC0ncTgoWKgyHhV01sFjQAAAAHPVrjN2gp4P8U/lDH6S7DXnH0r85ILsW5BB0pf0XLyQTdX5KoNz8//d+jBnTKg15QzO9mS8Bc1TVIuzVWasdjI=</TokenCache>
 </SubscriptionDataContainer>
\ No newline at end of file
diff --git a/vn.rpc/testClient.py b/vn.rpc/testClient.py
index 643cb916..6df0305f 100644
--- a/vn.rpc/testClient.py
+++ b/vn.rpc/testClient.py
@@ -15,9 +15,9 @@ class TestClient(RpcClient):
         super(TestClient, self).__init__(reqAddress, subAddress)
         
     #----------------------------------------------------------------------
-    def callback(self, data):
+    def callback(self, topic, data):
         """回调函数实现"""
-        print 'client received:', data
+        print 'client received topic:', topic, ', data:', data
     
 
 if __name__ == '__main__':
diff --git a/vn.rpc/vnrpc.py b/vn.rpc/vnrpc.py
index 86e97ef2..83593562 100644
--- a/vn.rpc/vnrpc.py
+++ b/vn.rpc/vnrpc.py
@@ -241,10 +241,10 @@ class RpcClient(RpcObject):
             data = self.unpack(datab)
 
             # 调用回调函数处理
-            self.callback(data)
+            self.callback(topic, data)
             
     #----------------------------------------------------------------------
-    def callback(self, data):
+    def callback(self, topic, data):
         """回调函数，必须由用户实现"""
         raise NotImplementedError