diff --git a/fedlab/__init__.py b/fedlab/__init__.py
index 24cccc51..8a9f2ce1 100644
--- a/fedlab/__init__.py
+++ b/fedlab/__init__.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "1.1.4"
+__version__ = "1.1.5"
diff --git a/fedlab/core/client/manager.py b/fedlab/core/client/manager.py
index cf9f0f11..2e544af7 100644
--- a/fedlab/core/client/manager.py
+++ b/fedlab/core/client/manager.py
@@ -114,8 +114,8 @@ def main_loop(self):
         while True:
             # request model actively
             self._LOGGER.info("request parameter procedure")
-            self._network.send(message_code=MessageCode.ParameterRequest, src=0)
-            
+            self._network.send(message_code=MessageCode.ParameterRequest, dst=0)
+
             # waits for data from
             sender_rank, message_code, payload = self._network.recv(src=0)
             # sender_rank, message_code, payload = PackageProcessor.recv_package(src=0)