diff --git a/src/main/java/cactusServer/resources/InstancesRest.java b/src/main/java/cactusServer/resources/InstancesRest.java
index af19f0d..3d61e3d 100644
--- a/src/main/java/cactusServer/resources/InstancesRest.java
+++ b/src/main/java/cactusServer/resources/InstancesRest.java
@@ -27,6 +27,7 @@
 import cactusServer.entities.Plain;
 import cactusServer.entities.Player;
 import cactusServer.models.Instances;
+import net.arnx.jsonic.JSON;
 
 @Path("/instances")
 @RequestScoped
@@ -37,56 +38,62 @@
 
 	}
 	
-	
-	
-
-//	 @Path("/test")
-//	 @GET
-//	 @Produces(MediaType.TEXT_PLAIN)
-//	 public String hoge() {
-//	 return "deploy jenkins from tomcat";
-//	 }
-
 	@Path("/{instanceId}")
 	@GET
-	@Produces(MediaType.APPLICATION_JSON)
-	public Instance getInstance(@PathParam("instanceId") String instanceId) {
-		return Instances.getInstance().getInstance(instanceId);
+	//@Produces(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.TEXT_PLAIN)
+	public String getInstance(@PathParam("instanceId") String instanceId) {
+		return JSON.encode(Instances.getInstance().getInstance(instanceId));
+	}
+	
+	@Path("{instanceId}/areas")
+	@GET
+	//@Produces(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.TEXT_PLAIN)
+	public String getArea(@PathParam("areaId") String areaId) {
+		HashMap<String, Area> areaMap = new HashMap<>();
+		return JSON.encode(areaMap);
 	}
 
 	@Path("/{instanceId}/areas/{areaId}")
 	@GET
-	@Produces(MediaType.APPLICATION_JSON)
-	public Area getArea(@PathParam("instanceId") String instanceId, @PathParam("areaId") String areaId) {
+	//@Produces(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.TEXT_PLAIN)
+	public String getArea(@PathParam("instanceId") String instanceId, @PathParam("areaId") String areaId) {
 		Instance instance = Instances.getInstance().getInstance(instanceId);
 		if (instance != null) {
-			return instance.getArea(areaId);
+			return JSON.encode(instance.getArea(areaId));
 		}
 		return null;
 	}
 	
+	
+	
 	@GET
-	@Produces(MediaType.APPLICATION_JSON)
-	public HashMap<String, Instance> getInstances(){
-		return Instances.getInstance().getInstances();
+	//@Produces(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.TEXT_PLAIN)
+	public String getInstances(){
+		return JSON.encode(Instances.getInstance().getInstances());
 	}
 	
 	@POST
-	@Produces(MediaType.APPLICATION_JSON)
-	public HashMap<String, Instance> createInstance(@FormParam("name") String name, @FormParam("stageID") int stageID) {
+	//@Produces(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.TEXT_PLAIN)
+	public String createInstance(@FormParam("name") String name, @FormParam("stageID") int stageID) {
 		HashMap<String, Instance> idMap = Instances.getInstance().createInstance(name, stageID);
 		HashMap<String, Instance> uriMap = new HashMap<>();
 		for (String id : idMap.keySet()) {
 			String uri = (INSTANCES_URI + "/") + id;
 			uriMap.put(uri, idMap.get(id));
 		}
-		return uriMap;
+		return JSON.encode(uriMap);
 	}
 
 	@Path("/{instanceId}/areas")
 	@POST
-	@Produces(MediaType.APPLICATION_JSON)
-	public  HashMap<String, Area> createArea(@PathParam("instanceId") String instanceId, @FormParam("name") String name,
+	//@Produces(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.TEXT_PLAIN)
+	public  String createArea(@PathParam("instanceId") String instanceId, @FormParam("name") String name,
 			@FormParam("region") Plain[] region, @FormParam("permissions") HashSet<Allowed> permissions) {
 		Instance instance = Instances.getInstance().getInstance(instanceId);
 		HashMap<String, Area> idMap = instance.createArea(name, region, permissions);
@@ -95,24 +102,28 @@
 			String uri = (INSTANCES_URI + "/" + instanceId + "/areas/") + id;
 			uriMap.put(uri, idMap.get(id));
 		}
-		return uriMap;
+		return JSON.encode(uriMap);
 	}
 	
 	@Path("/{instanceId}")
 	@PUT
-	@Produces(MediaType.APPLICATION_JSON)
-	public Instance updateInstance(@PathParam("instanceId") String instanceId, @FormParam("state") Instance.State state) {
+	//@Produces(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.TEXT_PLAIN)
+	public String updateInstance(@PathParam("instanceId") String instanceId, @FormParam("state") Instance.State state) {
 		Instance instance = Instances.getInstance().getInstance(instanceId);
-		return instance.update(state);
+		return JSON.encode(instance.update(state));
 	}
 	
-//	@Path("/{instanceId}")
-//	@PUT
-//	@Produces(MediaType.APPLICATION_JSON)
-//	public Instance updateInstance(@FormParam("state") State state) {
-//		return Instances.getInstance(name, state, stageID)
-//	}
-
+	
+	
+	
+//	 @Path("/test")
+//	 @GET
+//	 @Produces(MediaType.TEXT_PLAIN)
+//	 public String hoge() {
+//	 return "deploy jenkins from tomcat";
+//	 }
+	
 	// @DELETE
 	// @Path("/destroyInstance")
 	// @Produces(MediaType.APPLICATION_JSON)
@@ -120,14 +131,5 @@
 	// return Instances.getInstance().destroyInstance(instanceId);
 	// }
 
-	//
-	// @Path("/{instanceId}")
-	// @PUT
-	// public Instance putInstance(@PathParam("InstanceId") String instanceId,
-	// @FormParam("areaId") String areaId,
-	// @FormParam("objectId") String objectId, @FormParam("characterId") String
-	// characterId) {
-	//
-	// }
 
 }