diff --git a/src/main/java/com/ntlab/irisserver/resources/GameStateRest.java b/src/main/java/com/ntlab/irisserver/resources/GameStateRest.java
index 02aa3ce..e44d178 100644
--- a/src/main/java/com/ntlab/irisserver/resources/GameStateRest.java
+++ b/src/main/java/com/ntlab/irisserver/resources/GameStateRest.java
@@ -18,7 +18,7 @@
     @Path("/{rid}/game/opens")
     @GET
     @Produces(MediaType.APPLICATION_JSON)
-    public  List<Boolean> getOpens(@PathParam("rid") String rid, @FormParam("cno")Integer cno){
+    public  List<Boolean> getOpens(@PathParam("rid") String rid){
         List<Boolean> opens= null;
         RoomManager rm = RoomManager.getInstance();
         Room room = rm.getRoom(rid);