diff --git a/src/com/wentch/redkale/boot/Application.java b/src/com/wentch/redkale/boot/Application.java
index 0f5a7cd31..6075465b1 100644
--- a/src/com/wentch/redkale/boot/Application.java
+++ b/src/com/wentch/redkale/boot/Application.java
@@ -249,7 +249,7 @@ public final class Application {
             for (AnyValue conf : resources.getAnyValues("group")) {
                 final String group = conf.getValue("name", "");
                 String protocol = conf.getValue("protocol", Sncp.DEFAULT_PROTOCOL).toUpperCase();
-                if (!"TCP".equalsIgnoreCase(protocol) && "UDP".equalsIgnoreCase(protocol)) {
+                if (!"TCP".equalsIgnoreCase(protocol) && !"UDP".equalsIgnoreCase(protocol)) {
                     throw new RuntimeException("Not supported Transport Protocol " + conf.getValue("protocol"));
                 }
                 Set<InetSocketAddress> addrs = globalGroups.get(group);