fix: 迁移INSERT列数不匹配(45→46) + 移除未使用import

src/main/java/Sdf1_login/AreaProtection.java

@@ -21,7 +21,6 @@ import org.bukkit.event.block.BlockSpreadEvent;
 import org.bukkit.event.block.BlockGrowEvent;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Animals;
-import org.bukkit.entity.Projectile;
 import org.bukkit.event.player.PlayerInteractAtEntityEvent;
 import org.bukkit.inventory.InventoryHolder;
 import org.bukkit.block.BlockState;
@@ -46,7 +45,6 @@ import org.bukkit.scheduler.BukkitTask;
 import org.bukkit.event.entity.EntitySpawnEvent;
 import org.bukkit.entity.Item;
 import org.bukkit.event.inventory.InventoryOpenEvent;
-import org.bukkit.inventory.InventoryHolder;
 
 
 
@@ -1184,7 +1182,7 @@ public class AreaProtection implements Listener {
                     + "peace_mode, peace_mode_duration, "
                     + "peace_whitelist, enforce_game_mode, mode_exempt, enter_msg, leave_msg, "
                     + "confiscate_msg, enable_announce, announce_template, txt_content, created_at) "
-                    + "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)");
+                    + "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)");
 
             for (File f : txtFiles) {
                 try {
@@ -1243,7 +1241,7 @@ public class AreaProtection implements Listener {
                     insertStmt.setInt(43, ac.enableAnnounce ? 1 : 0);
                     insertStmt.setString(44, ac.announceTemplate);
                     insertStmt.setString(45, txtContent);
-                    insertStmt.setLong(47, System.currentTimeMillis() / 1000);
+                    insertStmt.setLong(46, System.currentTimeMillis() / 1000);
                     insertStmt.executeUpdate();
                     migrated++;
                     plugin.getLogger().info("[防护] 迁移txt→db: " + name);