diff --git a/boswatch/router/routerManager.py b/boswatch/router/routerManager.py
index f78e64c..c03bee4 100644
--- a/boswatch/router/routerManager.py
+++ b/boswatch/router/routerManager.py
@@ -109,6 +109,8 @@ class RouterManager:
         for routerName in routerRunList:
             if routerName in self._routerDict:
                 self._routerDict[routerName].runRouter(bwPacket)
+            else:
+                logging.warning("unknown router: %s", routerName)
 
     def _showRouterRoute(self):
         """!Show the routes of all routers"""
diff --git a/bw_server.py b/bw_server.py
index 118951c..abf0fef 100644
--- a/bw_server.py
+++ b/bw_server.py
@@ -63,7 +63,7 @@ args = parser.parse_args()
 
 bwConfig = ConfigYAML()
 if not bwConfig.loadConfigFile(paths.CONFIG_PATH + args.config):
-    logging.error("cannot load config file")
+    logging.fatal("cannot load config file")
     exit(1)
 
 # ############################# begin server system
@@ -71,7 +71,8 @@ try:
 
     bwRoutMan = RouterManager()
     if not bwRoutMan.buildRouter(bwConfig):
-        exit()
+        logging.fatal("Error while building routers")
+        exit(1)
 
     bcServer = BroadcastServer()
     if bwConfig.get("server", "useBroadcast", default=False):