diff --git a/src/me/yaruma/fightsystem/FightSystem.java b/src/me/yaruma/fightsystem/FightSystem.java
index 5a898e3..dd2a10d 100644
--- a/src/me/yaruma/fightsystem/FightSystem.java
+++ b/src/me/yaruma/fightsystem/FightSystem.java
@@ -102,9 +102,6 @@ public class FightSystem extends JavaPlugin {
         TechHider.init();
     }
 
-    @Override
-    public void onDisable() {}
-
     private void loadConfig() {
         if(!new File("plugins/" + this.getName() + "/kits.data").exists()) {
             saveKitData();
diff --git a/src/me/yaruma/fightsystem/utils/TechHider.java b/src/me/yaruma/fightsystem/utils/TechHider.java
index 3f5283c..1c27ec5 100644
--- a/src/me/yaruma/fightsystem/utils/TechHider.java
+++ b/src/me/yaruma/fightsystem/utils/TechHider.java
@@ -194,7 +194,7 @@ public class TechHider {
                 MultiBlockChangeInfo[] changes = blockStructure.read(0);
 
                 Player p = e.getPlayer();
-                ChunkCoordIntPair pos = changes[0].getChunk();
+                ChunkCoordIntPair pos = packet.getChunkCoordIntPairs().read(0);
                 if(bypass(p, pos.getChunkX(), pos.getChunkZ()))
                     return;
 
@@ -256,7 +256,7 @@ public class TechHider {
         FightTeam ft = Fight.getPlayerTeam(p);
         if(ft == null){
             return false;
-        }else if(ft == Fight.getBlueTeam()){
+        }else if(ft.equals(Fight.getBlueTeam())){
             return FightSystem.isEntern() || !(redMinX <= chunkX && chunkX <= redMaxX && redMinZ <= chunkZ && chunkZ <= redMaxZ);
         }else{
             return FightSystem.isEntern() || !(blueMinX <= chunkX && chunkX <= blueMaxX && blueMinZ <= chunkZ && chunkZ <= blueMaxZ);