diff --git a/shards/mishards/exception_handlers.py b/shards/mishards/exception_handlers.py
index 77cc99f22d9290d7d052461a76338038288afe7a..bee6200f496b196056a0347c63c8e0305cb7c2bf 100644
--- a/shards/mishards/exception_handlers.py
+++ b/shards/mishards/exception_handlers.py
@@ -83,3 +83,9 @@ def DBErrorHandler(err):
 def InvalidArgumentErrorHandler(err):
     logger.error(err)
     return resp_handler(err, status_pb2.ILLEGAL_RANGE)
+
+
+@server.errorhandler(exceptions.ConnectionNotFoundError)
+def InvalidArgumentErrorHandler(err):
+    logger.error(err)
+    return resp_handler(err, status_pb2.UNEXPECTED_ERROR)
diff --git a/shards/mishards/router/__init__.py b/shards/mishards/router/__init__.py
index 4c0fc815da3d22c49fc79031737ccd698089d85c..033aa3f5b173cdc73d0c86cda0a65726ef75d005 100644
--- a/shards/mishards/router/__init__.py
+++ b/shards/mishards/router/__init__.py
@@ -17,8 +17,19 @@ class RouterMixin:
         return conn.conn
 
     def query_conn(self, name, metadata=None):
-        conn = self.readonly_topo.get_group(name).get(name).fetch()
+        if not name:
+            raise exceptions.ConnectionNotFoundError(
+                    message=f'Conn Group is Empty. Please Check your configurations',
+                    metadata=metadata)
+
+        group = self.readonly_topo.get_group(name)
+        if not group:
+            raise exceptions.ConnectionNotFoundError(
+                    message=f'Conn Group {name} is Empty. Please Check your configurations',
+                    metadata=metadata)
+        conn = group.get(name).fetch()
         if not conn:
-            raise exceptions.ConnectionNotFoundError(name, metadata=metadata)
+            raise exceptions.ConnectionNotFoundError(
+                    message=f'Conn {name} Not Found', metadata=metadata)
         conn.on_connect(metadata=metadata)
         return conn
diff --git a/shards/mishards/server.py b/shards/mishards/server.py
index 741d5582e4d73fbb4a29ae51359f0c184adbb717..10ed886329804179662048eab3812654b2469d94 100644
--- a/shards/mishards/server.py
+++ b/shards/mishards/server.py
@@ -8,6 +8,7 @@ from urllib.parse import urlparse
 from functools import wraps
 from concurrent import futures
 from grpc._cython import cygrpc
+import milvus
 from milvus.grpc_gen.milvus_pb2_grpc import add_MilvusServiceServicer_to_server
 from mishards.grpc_utils import is_grpc_method
 from mishards.service_handler import ServiceHandler
@@ -109,6 +110,8 @@ class Server:
             sys.exit(1)
 
         self.start(port)
+        logger.info(f'Server Version: {settings.SERVER_VERSIONS[-1]}')
+        logger.info(f'Python SDK Version: {milvus.__version__}')
         logger.info('Listening on port {}'.format(port))
 
         try: