修复了无法卸下称号的问题

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>cn.lunadeer</groupId>
     <artifactId>MiniPlayerTitle</artifactId>
-    <version>4.2.3</version>
+    <version>4.2.4</version>
     <packaging>jar</packaging>
 
     <name>MiniPlayerTitle</name>

src/main/java/cn/lunadeer/miniplayertitle/commands/TitleManage.java

@@ -148,7 +148,19 @@ public class TitleManage {
             return;
         }
         Player player = (Player) sender;
-        PlayerTitleDTO title = PlayerTitleDTO.get(Integer.parseInt(args[1]));
+        PlayerInfoDTO playerInfo = PlayerInfoDTO.get((player).getUniqueId());
+        if (playerInfo == null) {
+            Notification.error(sender, "获取玩家信息时出现错误");
+            return;
+        }
+        int id = Integer.parseInt(args[1]);
+        if (id == -1) {
+            Notification.info(sender, "已卸下称号");
+            playerInfo.setUsingTitle(null);
+            updateName(player, null);
+            return;
+        }
+        PlayerTitleDTO title = PlayerTitleDTO.get(id);
         if (title == null) {
             Notification.error(sender, "称号不存在");
             return;
@@ -157,11 +169,6 @@ public class TitleManage {
             Notification.error(sender, "该称号不属于你");
             return;
         }
-        PlayerInfoDTO playerInfo = PlayerInfoDTO.get((player).getUniqueId());
-        if (playerInfo == null) {
-            Notification.error(sender, "获取玩家信息时出现错误");
-            return;
-        }
         if (title.isExpired()) {
             Notification.error(sender, "称号 %s 已过期", title.getTitle().getTitlePlainText());
             playerInfo.setUsingTitle(null);