规定API版本

src/main/java/cc/carm/plugin/ultradepository/listener/CollectListener.java

@@ -3,6 +3,7 @@ package cc.carm.plugin.ultradepository.listener;
 import cc.carm.plugin.ultradepository.Main;
 import cc.carm.plugin.ultradepository.configuration.PluginConfig;
 import org.bukkit.Material;
+import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Item;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -65,7 +66,6 @@ public class CollectListener implements Listener {
 		UUID thrower = event.getItem().getThrower();
 		if (thrower != null && thrower.equals(player.getUniqueId())) return;
 
-
 		ItemStack item = event.getItem().getItemStack();
 		Main.debug("Picked up " + item.getType().name() + " " + item.getAmount());
 		if (Main.getDepositoryManager().collectItem(player, item)) {

src/main/java/cc/carm/plugin/ultradepository/manager/DepositoryManager.java

@@ -7,6 +7,7 @@ import cc.carm.plugin.ultradepository.configuration.depository.Depository;
 import cc.carm.plugin.ultradepository.configuration.depository.DepositoryItem;
 import cc.carm.plugin.ultradepository.data.UserData;
 import com.google.common.collect.HashMultimap;
+import org.bukkit.DyeColor;
 import org.bukkit.Material;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.file.YamlConfiguration;

src/main/resources/plugin.yml

@@ -7,6 +7,8 @@ website: ${project.url}
 
 author: CarmJos
 
+api-version: 1.13
+
 softdepend:
   - PlaceholderAPI
   - Vault