diff --git a/README.md b/README.md
index a676922..afc7b6c 100644
--- a/README.md
+++ b/README.md
@@ -12,5 +12,9 @@ This plugin made by me.Please do not claim this plugin as yours, because i put a
 * English(UK) en-UK
 * English(US) en-US (default)
 
+# Supported Minecraft Server Version
+* Spigot / PaperSpigot 1.14.x
+* Spigot / PaperSpigot 1.15.x
+
 # Translate
-Want to translate this plugin to other languages?Just start an issue and a pull request and I will check and merge it.
+Want to translate this plugin to other languages?Just start an issue and a pull request and I will check and merge it.
\ No newline at end of file
diff --git a/src/main/java/club/claycoffee/ClayTech/ClayTech.java b/src/main/java/club/claycoffee/ClayTech/ClayTech.java
index fc19eda..b10f440 100644
--- a/src/main/java/club/claycoffee/ClayTech/ClayTech.java
+++ b/src/main/java/club/claycoffee/ClayTech/ClayTech.java
@@ -28,6 +28,9 @@ public class ClayTech extends JavaPlugin implements SlimefunAddon{
 	public static DataYML currentLangYML;
 	public static FileConfiguration currentLang;
 	public static String highrailspeed;
+	private static String version = Bukkit.getServer().getClass().getPackage().getName().replace(".", ",").split(",")[3];
+	public static boolean is115 = true;
+	public static boolean compatible = true;
 
 	@SuppressWarnings({ "unused", "static-access" })
 	@Override
@@ -93,6 +96,18 @@ public void onEnable() {
 		}
 		currentLangYML.saveCustomConfig();
 		currentLangYML.reloadCustomConfig();
+		switch(version) {
+		  case "v1_15_R1" : break;
+		  case "v1_14_R1" : is115=false;break;
+		  default: compatible=false;break;
+		}
+		if(!compatible) {
+			Utils.info(Lang.readGeneralText("Not_compatible"));
+			this.getServer().getPluginManager().disablePlugin(this);
+		}
+		if(!is115) {
+			Utils.info(Lang.readGeneralText("Before_115"));
+		}
 		Utils.info(Lang.readGeneralText("startTip"));
 		Config cfg = new Config(this);
 		Utils.info(Lang.readGeneralText("registeringItems"));
diff --git a/src/main/java/club/claycoffee/ClayTech/Defines.java b/src/main/java/club/claycoffee/ClayTech/Defines.java
index ba062d3..0ba9346 100644
--- a/src/main/java/club/claycoffee/ClayTech/Defines.java
+++ b/src/main/java/club/claycoffee/ClayTech/Defines.java
@@ -103,8 +103,6 @@ public class Defines {
 			Lang.readItemLore("SNAIL_HEALTHY"));
 	public static final ItemStack SNAIL_BAD = Utils.setLore(Utils.newItemD(Material.NAUTILUS_SHELL, Lang.readItemText("SNAIL_BAD")),
 			Lang.readItemLore("SNAIL_BAD"));
-	public static final ItemStack HONEY_SWEET = Utils.setLore(Utils.newItemD(Material.HONEYCOMB, Lang.readItemText("HONEY_SWEET")),
-			Lang.readItemLore("HONEY_SWEET"));
 	public static final ItemStack HIGHSPEED_RAILWAY = Utils.setLore(Utils.newItemD(Material.POWERED_RAIL, Lang.readItemText("HIGHSPEED_RAILWAY")),
 			Lang.readItemLore("HIGHSPEED_RAILWAY"));
 	public static final ItemStack ELECTRIC_MOTOR_8 = Utils.newItemD(Material.FEATHER, Lang.readItemText("ELECTRIC_MOTOR_8"));
@@ -191,4 +189,11 @@ public class Defines {
 			"http://textures.minecraft.net/texture/c74170c66bf3140f234b322add724c5df6949a9209f807ebf86d4f9c8c1e178"),
 			Lang.readItemText("CLAY_ELEMENT_EXTRACTER")),
 			Utils.replaceList(Utils.replaceList(Lang.readItemLore("CLAY_ELEMENT_EXTRACTER"),"%TIER%",LoreBuilder.machine(MachineTier.ADVANCED, MachineType.MACHINE).replaceAll("&", "§")),"%POWER%",LoreBuilder.powerBuffer(1024).replaceAll("&", "§")));
+	public static ItemStack HONEY_SWEET;
+	static {
+		if(ClayTech.is115) {
+			HONEY_SWEET = Utils.setLore(Utils.newItemD(Material.HONEYCOMB, Lang.readItemText("HONEY_SWEET")),
+					Lang.readItemLore("HONEY_SWEET"));
+		}
+	}
 }
diff --git a/src/main/java/club/claycoffee/ClayTech/Recipes.java b/src/main/java/club/claycoffee/ClayTech/Recipes.java
index 96b2c16..cb8d525 100644
--- a/src/main/java/club/claycoffee/ClayTech/Recipes.java
+++ b/src/main/java/club/claycoffee/ClayTech/Recipes.java
@@ -85,7 +85,12 @@ Defines.ADVANCED_POISON_CORE, Defines.ADVANCED_POISON_CORE, new ItemStack(Materi
 			Defines.TEA_POWDER, Defines.LEMON_POWDER, null, Defines.DRINK_BOTTLE, null };
 	public final static ItemStack[] TEA_POWDER = {null,null,null,null,Defines.RAW_TEA,null,null,null,null};
 	public final static ItemStack[] LEMON_POWDER = {null,null,null,null,Defines.LEMON,null,null,null,null};
-	public final static ItemStack[] HONEY_SWEET = {new ItemStack(Material.SWEET_BERRIES),new ItemStack(Material.SWEET_BERRIES),new ItemStack(Material.SWEET_BERRIES),new ItemStack(Material.SUGAR),new ItemStack(Material.HONEY_BOTTLE),new ItemStack(Material.SUGAR),new ItemStack(Material.SUGAR),new ItemStack(Material.SUGAR),new ItemStack(Material.SUGAR)};
+	public static ItemStack[] HONEY_SWEET;
+	static {
+		if(ClayTech.is115) {
+			HONEY_SWEET = new ItemStack[]{new ItemStack(Material.SWEET_BERRIES),new ItemStack(Material.SWEET_BERRIES),new ItemStack(Material.SWEET_BERRIES),new ItemStack(Material.SUGAR),new ItemStack(Material.HONEY_BOTTLE),new ItemStack(Material.SUGAR),new ItemStack(Material.SUGAR),new ItemStack(Material.SUGAR),new ItemStack(Material.SUGAR)};
+		}
+	}
 	public final static ItemStack[] ELEMENT_CARBON = {null,null,null,null,new ItemStack(Material.COAL,8),null,null,null,null};
 	public final static ItemStack[] ELEMENT_OXYGEN = { null, null, null, null, new ItemStack(Material.GRASS_BLOCK,3), null, null, null, null };
 	public final static ItemStack[] ELEMENT_SILICON = {null,null,null,null,new ItemStack(Material.SAND,10),null,null,null,null};
diff --git a/src/main/java/club/claycoffee/ClayTech/items/Foods.java b/src/main/java/club/claycoffee/ClayTech/items/Foods.java
index 1459220..4b60588 100644
--- a/src/main/java/club/claycoffee/ClayTech/items/Foods.java
+++ b/src/main/java/club/claycoffee/ClayTech/items/Foods.java
@@ -34,15 +34,17 @@ public Foods() {
 				RecipeType.NULL, Defines.NORECIPE, false);
 		Slimefunutils.registerItem(Defines.C_FOOD, "SNAIL_FOOD", Defines.SNAIL_FOOD, "notresearch", 10,
 				TRecipe.CLAY_FOOD_CAULDRON, recipef, false);
-		Slimefunutils.registerItem(Defines.C_FOOD, "HONEY_SWEET", Defines.HONEY_SWEET, "notresearch", 10,
-				TRecipe.CLAY_FOOD_CAULDRON, Recipes.HONEY_SWEET, false);
+		if(ClayTech.is115) {
+			Slimefunutils.registerItem(Defines.C_FOOD, "HONEY_SWEET", Defines.HONEY_SWEET, "notresearch", 10,
+					TRecipe.CLAY_FOOD_CAULDRON, Recipes.HONEY_SWEET, false);
+			Research foodII = new Research(new NamespacedKey(ClayTech.plugin, "CLAYTECH_FOODBASIC2"), 9916, Lang.readResearchesText("CLAYTECH_FOOD_II"), 50);
+			foodII.addItems(SlimefunItem.getByItem(Defines.HONEY_SWEET));
+			foodII.register();
+		}
 		
 		Research foodI = new Research(new NamespacedKey(ClayTech.plugin, "CLAYTECH_FOODBASIC"), 9911, Lang.readResearchesText("CLAYTECH_FOOD_I"), 50);
 		foodI.addItems(SlimefunItem.getByItem(Defines.CHICKEN_FOOT),SlimefunItem.getByItem(Defines.SPICY_CHICKEN_BURGER),SlimefunItem.getByItem(Defines.BABA_BURGER),SlimefunItem.getByItem(Defines.CHOCOLATE),SlimefunItem.getByItem(Defines.SNAIL_BAD),SlimefunItem.getByItem(Defines.SNAIL_FOOD));
 		foodI.register();
 		
-		Research foodII = new Research(new NamespacedKey(ClayTech.plugin, "CLAYTECH_FOODBASIC2"), 9916, Lang.readResearchesText("CLAYTECH_FOOD_II"), 50);
-		foodII.addItems(SlimefunItem.getByItem(Defines.HONEY_SWEET));
-		foodII.register();
 	}
 }
diff --git a/src/main/resources/en-UK.yml b/src/main/resources/en-UK.yml
index ea1d781..a0f3a5b 100644
--- a/src/main/resources/en-UK.yml
+++ b/src/main/resources/en-UK.yml
@@ -15,6 +15,8 @@ General:
   Cant_Eat_Message: "&cYou're already full!"
   Wash_Message: "&6Completed!"
   Cant_Wash_Message: "&cYou need a water bucket to do this."
+  Before_115: "&cYour server api version is before 1.15,the plugin also can run, but might cause some items can't register."
+  Not_compatible: "&cSorry.The plugin doesn't compatible your server version.Supported Server Version: 1.14.x, 1.15.x.Please upgrade your server!"
 Categories:
   Basic: "&bClayTech - Basic"
   Weapons: "&bClayTech - Weapons"
diff --git a/src/main/resources/en-US.yml b/src/main/resources/en-US.yml
index ea1d781..a0f3a5b 100644
--- a/src/main/resources/en-US.yml
+++ b/src/main/resources/en-US.yml
@@ -15,6 +15,8 @@ General:
   Cant_Eat_Message: "&cYou're already full!"
   Wash_Message: "&6Completed!"
   Cant_Wash_Message: "&cYou need a water bucket to do this."
+  Before_115: "&cYour server api version is before 1.15,the plugin also can run, but might cause some items can't register."
+  Not_compatible: "&cSorry.The plugin doesn't compatible your server version.Supported Server Version: 1.14.x, 1.15.x.Please upgrade your server!"
 Categories:
   Basic: "&bClayTech - Basic"
   Weapons: "&bClayTech - Weapons"
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 29546d3..ede8f8f 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,5 +1,5 @@
 name: ClayTech
 main: club.claycoffee.ClayTech.ClayTech
 version: nightly-20200310
-api-version: 1.15
+api-version: 1.14
 depend: [CS-CoreLib, Slimefun]
\ No newline at end of file
diff --git a/src/main/resources/zh-CN.yml b/src/main/resources/zh-CN.yml
index 997e3d0..9ac045c 100644
--- a/src/main/resources/zh-CN.yml
+++ b/src/main/resources/zh-CN.yml
@@ -15,6 +15,8 @@ General:
   Cant_Eat_Message: "&c您已经饱了,不用再吃东西了!"
   Wash_Message: "&6清洗完毕!!"
   Cant_Wash_Message: "&c无法清洗!你没有水桶!"
+  Before_115: "&c检测到您的服务器运行在1.15版本以下,可能导致有的物品无法注册,但仍可正常运行本插件."
+  Not_compatible: "&c对不起,本插件仅限1.14.x,1.15.x的服务器使用!请尽快升级您的服务器.."
 Categories:
   Basic: "&b粘土科技 - 基础"
   Weapons: "&b粘土科技 - 武器"
diff --git a/src/main/resources/zh-TW.yml b/src/main/resources/zh-TW.yml
index 4eeb26e..c672430 100644
--- a/src/main/resources/zh-TW.yml
+++ b/src/main/resources/zh-TW.yml
@@ -15,6 +15,8 @@ General:
   Cant_Eat_Message: "&c您已經飽了,不用再吃東西了!"
   Wash_Message: "&6清洗完畢!!"
   Cant_Wash_Message: "&c無法清洗!妳沒有水桶!"
+  Before_115: "&c檢測到您的伺服器運行在1.15版本以下,可能導致有的物品無法註冊,但仍可正常運行本插件."
+  Not_compatible: "&c對不起，本挿件僅限1.14.x，1.15.x的伺服器使用！請儘快陞級您的伺服器.."
 Categories:
   Basic: "&b粘土科技 - 基礎"
   Weapons: "&b粘土科技 - 武器"