diff --git a/src/main/java/org/bitbiome/classes/InteractionLoop.java b/src/main/java/org/bitbiome/classes/InteractionLoop.java
index 2523644..1d73075 100644
--- a/src/main/java/org/bitbiome/classes/InteractionLoop.java
+++ b/src/main/java/org/bitbiome/classes/InteractionLoop.java
@@ -1,6 +1,7 @@
 package org.bitbiome.classes;
 
 import org.bitbiome.Boot;
+import org.bitbiome.classes.*;
 import org.json.JSONObject;
 import java.util.Scanner;
 
diff --git a/src/main/java/org/bitbiome/commands/CommandListener.java b/src/main/java/org/bitbiome/commands/CommandListener.java
index 8677e64..14020fe 100644
--- a/src/main/java/org/bitbiome/commands/CommandListener.java
+++ b/src/main/java/org/bitbiome/commands/CommandListener.java
@@ -1,5 +1,7 @@
 package org.bitbiome.commands;
 
+import org.bitbiome.classes.TravelEngine;
+
 import java.util.HashMap;
 import java.util.Scanner;
 
@@ -24,11 +26,11 @@ public class CommandListener {
     }
 
 
-    public boolean perform(String command, Scanner scanner, boolean isRunning, String message) {
+    public boolean perform(String command, Scanner scanner, boolean isRunning, String message, TravelEngine travelEngine) {
 
         CommandAPI cmd;
         if ((cmd = commands.get(command)) != null) {
-            cmd.performCommand(scanner, isRunning, message);
+            cmd.performCommand(scanner, isRunning, message, travelEngine);
             return true;
         }
         return false;
diff --git a/src/main/java/org/bitbiome/commands/ShopCommand.java b/src/main/java/org/bitbiome/commands/ShopCommand.java
index bb51f52..25fbf4d 100644
--- a/src/main/java/org/bitbiome/commands/ShopCommand.java
+++ b/src/main/java/org/bitbiome/commands/ShopCommand.java
@@ -1,5 +1,6 @@
 package org.bitbiome.commands;
 
+import org.bitbiome.classes.TravelEngine;
 import org.bitbiome.shop.Item;
 import org.bitbiome.shop.Shop;
 
@@ -14,7 +15,7 @@ public class ShopCommand implements CommandAPI{
     }
 
     @Override
-    public void performCommand(Scanner scanner, boolean isRunning, String message) {
+    public void performCommand(Scanner scanner, boolean isRunning, String message, TravelEngine travelEngine) {
         System.out.println("Willkommen im Shop!");
         ArrayList<Item> currentItems = shop.loadCurrentShopItems();
 
diff --git a/src/main/java/org/bitbiome/shop/Shop.java b/src/main/java/org/bitbiome/shop/Shop.java
index 3ca1b22..9fa4d3d 100644
--- a/src/main/java/org/bitbiome/shop/Shop.java
+++ b/src/main/java/org/bitbiome/shop/Shop.java
@@ -1,5 +1,6 @@
 package org.bitbiome.shop;
 
+import org.bitbiome.classes.JsonParser;
 import org.json.JSONArray;
 import org.json.JSONObject;
 
@@ -14,6 +15,7 @@ import java.util.Random;
 public class Shop {
     public ArrayList<Item> allItems;
     public ArrayList<Item> currentShopItems;
+    public JsonParser jsonParser = new JsonParser();
 
     public Shop() {
         try {
@@ -79,9 +81,7 @@ public class Shop {
                     tempJSON.put("amount", intNewAmount);
                     jsonArray2.put(tempJSON);
                     gameConfig.put("shopitems", jsonArray2);
-                    FileWriter fileWriter = new FileWriter("src/main/resources/gameconfig.json");
-                    fileWriter.write(gameConfig.toString());
-                    fileWriter.close();
+                    jsonParser.writeObject("gameconfig.json", gameConfig);
                     currentShopItems = loadCurrentShopItems();
                     break;
                 }
@@ -98,9 +98,7 @@ public class Shop {
                     tempJSON.put("amount", newAmount);
                     jsonArray.put(tempJSON);
                     playerConfig.put("inventory", jsonArray);
-                    FileWriter fileWriter = new FileWriter("src/main/resources/playerconfig.json");
-                    fileWriter.write(playerConfig.toString());
-                    fileWriter.close();
+                    jsonParser.writeObject("playerconfig.json", playerConfig);
                     return true;
                 }
             }
@@ -121,9 +119,7 @@ public class Shop {
 
             jsonArray.put(inventory);
             playerConfig.put("inventory", jsonArray);
-            FileWriter fileWriter = new FileWriter("src/main/resources/playerconfig.json");
-            fileWriter.write(playerConfig.toString());
-            fileWriter.close();
+            jsonParser.writeObject("playerconfig.json", playerConfig);
 
         }catch (Exception e){
             e.printStackTrace();
@@ -195,9 +191,8 @@ public class Shop {
             //write in gameconfig.json
             gameConfig.remove("shopitems");
             gameConfig.put("shopitems", shopitems);
-            FileWriter fileWriter = new FileWriter("src/main/resources/gameconfig.json");
-            fileWriter.write(gameConfig.toString());
-            fileWriter.close();
+            jsonParser.writeObject("gameconfig.json", gameConfig);
+
 
         }catch (Exception e){
             e.printStackTrace();