diff --git a/src/main/java/cactusServer/models/StageManager.java b/src/main/java/cactusServer/models/StageManager.java
deleted file mode 100644
index b32a379..0000000
--- a/src/main/java/cactusServer/models/StageManager.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package cactusServer.models;
-
-import java.io.IOException;
-import java.util.HashMap;
-
-import javax.inject.Singleton;
-
-import org.ntlab.radishforandroidstudio.framework.model3D.Model3D;
-import org.ntlab.radishforandroidstudio.framework.model3D.ModelFactory;
-import org.ntlab.radishforandroidstudio.framework.model3D.ModelFileFormatException;
-import org.ntlab.radishforandroidstudio.framework.model3D.Object3D;
-
-@Singleton
-public class StageManager {
-	private static StageManager theInstance = null;
-	private HashMap<Integer, Model3D> model = new HashMap<>();
-
-	private StageManager() {
-		try {
-			setStage(0,ModelFactory.loadModel("/CactusServer/src/main/assets/konan/konan.stl"));
-		} catch (IOException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		} catch (ModelFileFormatException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
-	}
-
-	public static StageManager getInstance() {
-		if (theInstance == null) {
-			theInstance = new StageManager();
-		}
-		return theInstance;
-	}
-
-	public void setStage(int key, Model3D model3d) {
-		model.put(key, model3d);
-	}
-
-	public Model3D getStage(int stageID) {
-		return model.get(stageID);
-	}
-}
diff --git a/src/main/java/cactusServer/models/StageModelManager.java b/src/main/java/cactusServer/models/StageModelManager.java
new file mode 100644
index 0000000..2eea941
--- /dev/null
+++ b/src/main/java/cactusServer/models/StageModelManager.java
@@ -0,0 +1,39 @@
+package cactusServer.models;
+
+import java.io.BufferedInputStream;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.HashMap;
+
+import javax.inject.Singleton;
+import javax.servlet.ServletContext;
+
+import org.ntlab.radishforandroidstudio.framework.model3D.Model3D;
+import org.ntlab.radishforandroidstudio.framework.model3D.ModelFactory;
+import org.ntlab.radishforandroidstudio.framework.model3D.ModelFileFormatException;
+import org.ntlab.radishforandroidstudio.framework.model3D.Object3D;
+
+@Singleton
+public class StageModelManager {
+	private static StageModelManager theInstance = null;
+	private HashMap<Integer, Model3D> model = new HashMap<>();
+
+	private StageModelManager() {
+		
+	}
+
+	public static StageModelManager getInstance() {
+		if (theInstance == null) {
+			theInstance = new StageModelManager();
+		}
+		return theInstance;
+	}
+
+	public void setStage(int key, Model3D model3d) {
+		model.put(key, model3d);
+	}
+
+	public Model3D getStage(int stageID) {
+		return model.get(stageID);
+	}
+}
diff --git a/src/main/java/cactusServer/utils/App.java b/src/main/java/cactusServer/utils/App.java
index 0c6c9b8..d279698 100644
--- a/src/main/java/cactusServer/utils/App.java
+++ b/src/main/java/cactusServer/utils/App.java
@@ -7,13 +7,13 @@
 
 import cactusServer.models.Accounts;
 import cactusServer.models.CharacterModelManager;
-import cactusServer.models.StageManager;
+import cactusServer.models.StageModelManager;
 
 @SuppressWarnings("unused")
 @ApplicationPath("/rest")
 public class App extends ResourceConfig {
 	public App() {
-		StageManager.getInstance();
+		StageModelManager.getInstance();
 		CharacterModelManager.getInstance();
 		Accounts.getInstance().createAcount("aaa", "bbb", "c");
 		System.out.println("pass");