diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/BukkitBlockManager.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/BukkitBlockManager.java
index d19079d0c..a82a0dc65 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/BukkitBlockManager.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/BukkitBlockManager.java
@@ -248,7 +248,7 @@ public class BukkitBlockManager extends AbstractBlockManager {
         int vanillaStateCount;
         if (plugin.hasMod()) {
             try {
-                Class<?> modClass = ReflectionUtils.getClazz("net.momirealms.craftengine.mod.CraftEnginePlugin");
+                Class<?> modClass = ReflectionUtils.getClazz(CraftEngine.MOD_CLASS);
                 Field amountField = ReflectionUtils.getDeclaredField(modClass, "vanillaRegistrySize");
                 vanillaStateCount = (int) amountField.get(null);
             } catch (Exception e) {
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/BukkitCraftEngine.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/BukkitCraftEngine.java
index cb5384fff..4a271e3f8 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/BukkitCraftEngine.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/BukkitCraftEngine.java
@@ -57,7 +57,7 @@ public class BukkitCraftEngine extends CraftEngine {
         super.classPathAppender = new ReflectionClassPathAppender(this);
         super.scheduler = new BukkitSchedulerAdapter(this);
         super.logger = new JavaPluginLogger(bootstrap.getLogger());
-        Class<?> modClass = ReflectionUtils.getClazz("net.momirealms.craftengine.mod.CraftEnginePlugin");
+        Class<?> modClass = ReflectionUtils.getClazz(MOD_CLASS);
         if (modClass != null) {
             Field isSuccessfullyRegistered = ReflectionUtils.getDeclaredField(modClass, "isSuccessfullyRegistered");
             try {
diff --git a/core/src/main/java/net/momirealms/craftengine/core/plugin/CraftEngine.java b/core/src/main/java/net/momirealms/craftengine/core/plugin/CraftEngine.java
index 7ec1bda60..8f9af68dd 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/plugin/CraftEngine.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/plugin/CraftEngine.java
@@ -32,6 +32,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 public abstract class CraftEngine implements Plugin {
+    public static final String MOD_CLASS = "net.momirealms.craftengine.mod.CraftEnginePlugin";
     public static final String NAMESPACE = "craftengine";
     private static CraftEngine instance;
     protected Platform platform;
@@ -52,6 +53,7 @@ public abstract class CraftEngine implements Plugin {
     protected SenderFactory<? extends Plugin, ?> senderFactory;
     protected TemplateManager templateManager;
     protected PluginLogger logger;
+    private boolean isReloading;
 
     protected CraftEngine() {
         instance = this;
@@ -71,20 +73,29 @@ public abstract class CraftEngine implements Plugin {
 
     @Override
     public void reload() {
-        this.translationManager.reload();
-        this.configManager.reload();
-        this.templateManager.reload();
-        this.furnitureManager.reload();
-        this.fontManager.reload();
-        this.itemManager.reload();
-        this.recipeManager.reload();
-        this.blockManager.reload();
-        this.worldManager.reload();
-        this.packManager.reload();
-        this.blockManager.delayedLoad();
-        this.recipeManager.delayedLoad().thenRunAsync(() -> {
-            this.packManager.generateResourcePack();
-        }, this.scheduler.async());
+        if (this.isReloading) return;
+        this.isReloading = true;
+        try {
+            this.translationManager.reload();
+            this.configManager.reload();
+            this.templateManager.reload();
+            this.furnitureManager.reload();
+            this.fontManager.reload();
+            this.itemManager.reload();
+            this.recipeManager.reload();
+            this.blockManager.reload();
+            this.worldManager.reload();
+            this.packManager.reload();
+            this.blockManager.delayedLoad();
+        } finally {
+            this.recipeManager.delayedLoad().thenRunAsync(() -> {
+                try {
+                    this.packManager.generateResourcePack();
+                } finally {
+                    this.isReloading = false;
+                }
+            }, this.scheduler.async());
+        }
     }
 
     @Override
diff --git a/core/src/main/java/net/momirealms/craftengine/core/plugin/config/ConfigManager.java b/core/src/main/java/net/momirealms/craftengine/core/plugin/config/ConfigManager.java
index 3bfb15575..ea4b5e507 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/plugin/config/ConfigManager.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/plugin/config/ConfigManager.java
@@ -125,7 +125,7 @@ public class ConfigManager implements Reloadable {
         // recipe
         enableRecipeSystem = config.getBoolean("recipe.enable", true);
 
-        Class<?> modClazz = ReflectionUtils.getClazz("net.momirealms.craftengine.mod.CraftEnginePlugin");
+        Class<?> modClazz = ReflectionUtils.getClazz(CraftEngine.MOD_CLASS);
         if (modClazz != null) {
             Method setMaxChainMethod = ReflectionUtils.getStaticMethod(modClazz, new String[] {"setMaxChainUpdate"}, void.class, int.class);
             try {