diff --git a/src/main/java/de/viper/survivalplus/listeners/ToolUpgradeListener.java b/src/main/java/de/viper/survivalplus/listeners/ToolUpgradeListener.java
index e66c663..538f26d 100644
--- a/src/main/java/de/viper/survivalplus/listeners/ToolUpgradeListener.java
+++ b/src/main/java/de/viper/survivalplus/listeners/ToolUpgradeListener.java
@@ -56,19 +56,12 @@ public class ToolUpgradeListener implements Listener {
         if (!(event.getInventory() instanceof CraftingInventory)) return;
         CraftingInventory inv = (CraftingInventory) event.getInventory();
         ItemStack[] matrix = inv.getMatrix();
-        if (matrix.length < 9) {
-            inv.setResult(null);
-            return;
-        }
+        if (matrix.length < 9) return; // Kein 3x3-Crafting-Tisch
 
         ItemStack center = matrix[4];
-        if (center == null || center.getType() == Material.AIR) {
-            inv.setResult(null);
-            return;
-        }
-        if (!isUpgradeableTool(center.getType()) || isWoodTool(center.getType())) {
-            inv.setResult(null);
-            return;
+        // Nur eingreifen, wenn ein Werkzeug in der Mitte liegt
+        if (center == null || center.getType() == Material.AIR || !isUpgradeableTool(center.getType()) || isWoodTool(center.getType())) {
+            return; // Standard-Rezepte nicht beeinflussen
         }
 
         int currentLevel = getToolLevel(center);
@@ -83,7 +76,7 @@ public class ToolUpgradeListener implements Listener {
             return;
         }
 
-        // Prüfen ob alle Slots (außer Mitte) mind. 2 Stück vom richtigen Material haben
+        // Prüfen, ob alle Slots (außer Mitte) mind. 2 Stück vom richtigen Material haben
         for (int i = 0; i < matrix.length; i++) {
             if (i == 4) continue;
             if (matrix[i] == null || matrix[i].getType() != requiredMat || matrix[i].getAmount() < REQUIRED_AMOUNT) {
@@ -106,20 +99,33 @@ public class ToolUpgradeListener implements Listener {
 
         ItemStack[] matrix = inv.getMatrix();
         ItemStack center = matrix[4];
-        if (center == null || !isUpgradeableTool(center.getType()) || isWoodTool(center.getType())) return;
+        if (center == null || !isUpgradeableTool(center.getType()) || isWoodTool(center.getType())) {
+            plugin.getLogger().fine("Kein Upgrade-Werkzeug in der Mitte: " + (center != null ? center.getType() : "null"));
+            return;
+        }
 
         int currentLevel = getToolLevel(center);
-        if (currentLevel >= maxLevel || currentLevel >= getMaxAllowedLevel(center.getType())) return;
+        if (currentLevel >= maxLevel || currentLevel >= getMaxAllowedLevel(center.getType())) {
+            plugin.getLogger().fine("Maximales Level erreicht für Werkzeug: " + center.getType());
+            return;
+        }
 
         Material requiredMat = levelMaterials.get(currentLevel + 1);
-        if (requiredMat == null) return;
+        if (requiredMat == null) {
+            plugin.getLogger().fine("Kein Material für Level " + (currentLevel + 1));
+            return;
+        }
 
         for (int i = 0; i < matrix.length; i++) {
             if (i == 4) continue;
-            if (matrix[i] == null || matrix[i].getType() != requiredMat || matrix[i].getAmount() < REQUIRED_AMOUNT) return;
+            if (matrix[i] == null || matrix[i].getType() != requiredMat || matrix[i].getAmount() < REQUIRED_AMOUNT) {
+                plugin.getLogger().fine("Ungültiges Material in Slot " + i + ": " + (matrix[i] != null ? matrix[i].getType() : "null"));
+                return;
+            }
         }
 
         // Gültig: Event abbrechen, Upgrade geben, Items verbrauchen
+        plugin.getLogger().info("Werkzeug-Upgrade für " + player.getName() + ": " + center.getType() + " auf Level " + (currentLevel + 1));
         event.setCancelled(true);
         ItemStack result = createUpgradedTool(center, currentLevel + 1);
 
@@ -215,7 +221,9 @@ public class ToolUpgradeListener implements Listener {
                n.endsWith("_SWORD");
     }
 
-    private boolean isWoodTool(Material mat) { return mat.name().startsWith("WOODEN"); }
+    private boolean isWoodTool(Material mat) {
+        return mat.name().startsWith("WOODEN");
+    }
 
     private int getMaxAllowedLevel(Material mat) {
         String s = mat.name();