diff --git a/src/main/java/cn/lunadeer/miniplayertitle/Events.java b/src/main/java/cn/lunadeer/miniplayertitle/Events.java
index 7e7f331..0817a83 100644
--- a/src/main/java/cn/lunadeer/miniplayertitle/Events.java
+++ b/src/main/java/cn/lunadeer/miniplayertitle/Events.java
@@ -21,6 +21,10 @@ public class Events implements Listener {
             MiniPlayerTitle.notification.error(bukkitPlayer, "获取玩家信息时出现错误，请联系管理员");
             return;
         }
+        if (player.getUsingTitle().getId() == -1) {
+            updateName(bukkitPlayer, null);
+            return;
+        }
         PlayerTitleDTO title = PlayerTitleDTO.get(bukkitPlayer.getUniqueId(), player.getUsingTitle().getId());
         if (title == null || title.isExpired()) {
             MiniPlayerTitle.notification.warn(bukkitPlayer, "你当前使用的称号 %s 已过期", player.getUsingTitle().getTitlePlainText());
diff --git a/src/main/java/cn/lunadeer/miniplayertitle/dtos/TitleDTO.java b/src/main/java/cn/lunadeer/miniplayertitle/dtos/TitleDTO.java
index 2354862..33aefd5 100644
--- a/src/main/java/cn/lunadeer/miniplayertitle/dtos/TitleDTO.java
+++ b/src/main/java/cn/lunadeer/miniplayertitle/dtos/TitleDTO.java
@@ -42,14 +42,18 @@ public class TitleDTO {
     }
 
     public boolean delete() {
-        String sql = "";
-        sql += "DELETE FROM mplt_title WHERE id = ?;";
-        try (ResultSet rs = MiniPlayerTitle.database.query(sql, id)) {
+        String updateSql = "UPDATE mplt_player_info SET using_title_id = -1 WHERE using_title_id = ?;";
+        String deleteSql = "DELETE FROM mplt_title WHERE id = ?;";
+        try {
+            // 执行更新操作
+            MiniPlayerTitle.database.query(updateSql, this.id);
+            // 执行删除操作
+            MiniPlayerTitle.database.query(deleteSql, this.id);
             return true;
         } catch (Exception e) {
-            MiniPlayerTitle.database.handleDatabaseError("删除称号失败", e, sql);
+            MiniPlayerTitle.database.handleDatabaseError("删除称号失败", e, updateSql + " " + deleteSql);
+            return false;
         }
-        return false;
     }
 
     public static List<TitleDTO> getAll() {