diff --git a/moco-core/src/main/java/com/github/dreamhead/moco/websocket/WebsocketSetting.java b/moco-core/src/main/java/com/github/dreamhead/moco/websocket/WebsocketSetting.java
index <HASH>..<HASH> 100644
--- a/moco-core/src/main/java/com/github/dreamhead/moco/websocket/WebsocketSetting.java
+++ b/moco-core/src/main/java/com/github/dreamhead/moco/websocket/WebsocketSetting.java
@@ -22,6 +22,7 @@ public final class WebsocketSetting extends BaseSetting<WebsocketResponseSetting
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     protected RequestMatcher configMatcher(final RequestMatcher matcher, final MocoConfig config) {
         RequestMatcher appliedMatcher = configItem(matcher, config);
         if (config.isFor(MocoConfig.URI_ID) && matcher == appliedMatcher) {
added suppress warning to config matcher in websocket setting