diff --git a/src/main/java/Sdf1_login/AreaProtection.java b/src/main/java/Sdf1_login/AreaProtection.java
index 9de1a2d..41bdd23 100644
--- a/src/main/java/Sdf1_login/AreaProtection.java
+++ b/src/main/java/Sdf1_login/AreaProtection.java
@@ -9940,9 +9940,17 @@ public class AreaProtection implements Listener {
         }
     }
 
+    /**
+     * ★ 两阶段执行：
+     *   阶段1（主线程）：只做 Bukkit 侧判定（封禁表 / 在线状态），不碰 DB；
+     *   阶段2（异步）：userExists 判定 + deleteAreaFromDb 落库 + 触发 PHP 同步（含 HTTP）。
+     *   上报要遍历在线玩家，回主线程。
+     */
     private void sweepBannedOwnerLands() {
         if (areas.isEmpty()) return;
-        DatabaseManager dbMgr = plugin.getDb();
+
+        // ---- 阶段1（主线程，纯 Bukkit 只读判定）----
+        final List<Object[]> candidates = new ArrayList<>();
         for (AreaConfig ac : new ArrayList<>(areas.values())) {
             if (ac == null || ac.owner == null || ac.owner.isEmpty()) continue;
             // 快照遍历期间已被删除/重载的跳过
@@ -9964,31 +9972,55 @@ public class AreaProtection implements Listener {
                 }
             } catch (Exception ignored) {}
 
-            // 3) 账户已注销（在线领主一律跳过，避免误删）
             if (reason == null) {
-                if (dbMgr == null) continue;
+                // 3) 账户已注销（在线领主一律跳过，避免误删）—— 在线判定是 Bukkit API
                 Player ownerOnline = Bukkit.getPlayerExact(ac.owner);
                 if (ownerOnline != null && ownerOnline.isOnline()) continue;
-                try {
-                    if (!dbMgr.userExists(ac.owner)) {
-                        reason = "账户已注销";
-                    }
-                } catch (Exception ignored) {}
             }
-
-            if (reason == null) continue;
-
-            // 不退款、不注销账号，直接强制删除
-            cancelPendingDelete(ac.name);
-            deleteAreaFromDb(ac.name);
-            areas.remove(ac.name);
-            String coord = ac.world + " " + ac.x1 + "," + ac.z1 + " ~ " + ac.x2 + "," + ac.z2;
-            plugin.getLogger().warning("[防护] 自动清理领地 " + ac.name + "：领主 " + ac.owner
-                    + " 因" + reason + "，已强制删除（不退款）坐标 " + coord);
-            reportLandRemovalToAdmins("§6§l[防护-自动清理] §f领主 §e" + ac.owner
-                    + " §f因§c" + reason + " §f已自动删除其领地 §e" + ac.name
-                    + " §7(不退款) [" + coord + "]");
+            // reason 为 null = 还需异步阶段用 DB 判定是否注销
+            candidates.add(new Object[]{ac, reason});
         }
+        if (candidates.isEmpty()) return;
+
+        final DatabaseManager dbMgr = plugin.getDb();
+        // ---- 阶段2（异步：DB 判定 + 删除落库 + PHP 同步）----
+        Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+            final List<String> reports = new ArrayList<>();
+            try {
+                for (Object[] o : candidates) {
+                    AreaConfig ac = (AreaConfig) o[0];
+                    String reason = (String) o[1];
+                    if (reason == null) {
+                        if (dbMgr == null) continue;
+                        try {
+                            if (!dbMgr.userExists(ac.owner)) {
+                                reason = "账户已注销";
+                            }
+                        } catch (Exception ignored) {}
+                        if (reason == null) continue;
+                    }
+                    if (areas.get(ac.name) != ac) continue;
+
+                    // 不退款、不注销账号，直接强制删除
+                    cancelPendingDelete(ac.name);
+                    deleteAreaFromDb(ac.name);
+                    areas.remove(ac.name);
+                    String coord = ac.world + " " + ac.x1 + "," + ac.z1 + " ~ " + ac.x2 + "," + ac.z2;
+                    plugin.getLogger().warning("[防护] 自动清理领地 " + ac.name + "：领主 " + ac.owner
+                            + " 因" + reason + "，已强制删除（不退款）坐标 " + coord);
+                    reports.add("§6§l[防护-自动清理] §f领主 §e" + ac.owner
+                            + " §f因§c" + reason + " §f已自动删除其领地 §e" + ac.name
+                            + " §7(不退款) [" + coord + "]");
+                }
+            } catch (Exception e) {
+                plugin.getLogger().warning("[防护] 领地自动清理(异步阶段)异常: " + e.getMessage());
+            }
+            if (reports.isEmpty()) return;
+            // ---- 阶段3（回主线程上报：遍历在线玩家 + OP/管理员判定）----
+            Bukkit.getScheduler().runTask(plugin, () -> {
+                for (String m : reports) reportLandRemovalToAdmins(m);
+            });
+        });
     }
 
     /**
diff --git a/src/main/java/Sdf1_login/DatabaseManager.java b/src/main/java/Sdf1_login/DatabaseManager.java
index f473609..2416a6e 100644
--- a/src/main/java/Sdf1_login/DatabaseManager.java
+++ b/src/main/java/Sdf1_login/DatabaseManager.java
@@ -600,6 +600,29 @@ public class DatabaseManager {
         }
     }
 
+    /**
+     * ★ 封禁防护用：大小写不敏感的注册校验。
+     * 返回 false 仅表示「确认未注册」；SQL 异常时返回 true 并告警
+     * （宁可放行，也不因 DB 抖动误拒正常的封禁操作）。
+     */
+    public boolean userExistsIgnoreCase(String name) {
+        if (name == null || name.isEmpty()) return false;
+        try {
+            PreparedStatement ps = db.prepareStatement(
+                    "SELECT 1 FROM users "
+                            + "WHERE player_name=? "
+                            + "COLLATE NOCASE");
+            ps.setString(1, name);
+            boolean r = ps.executeQuery().next();
+            ps.close();
+            return r;
+        } catch (SQLException e) {
+            logger.warning("[封禁防护] 注册校验查询失败(放行): "
+                    + e.getMessage());
+            return true;
+        }
+    }
+
     public void createUser(String name, String hash,
                            String salt) {
         try {
diff --git a/src/main/java/Sdf1_login/GarbageManager.java b/src/main/java/Sdf1_login/GarbageManager.java
index b710208..c8adf54 100644
--- a/src/main/java/Sdf1_login/GarbageManager.java
+++ b/src/main/java/Sdf1_login/GarbageManager.java
@@ -173,41 +173,56 @@ public class GarbageManager {
     }
 
     private void doCleanup() {
-        // 删除过期轮次的物品
-        int deleteRound =
+        // ★ 过期轮次删除是阻塞 DB -> 先异步执行；
+        //   轮次递增 / 实体收集 / 广播 必须主线程 -> 异步完成后回主线程
+        final int deleteRound =
                 currentRound - maxRounds;
-        if (deleteRound >= 0) {
-            int deleted = deleteOldItems(
-                    deleteRound);
-            if (deleted > 0) {
-                broadcast("§7[垃圾站] §f永久清理了 §e"
-                        + deleted + " §f个过期物品");
-            }
-        }
+        Bukkit.getScheduler().runTaskAsynchronously(
+                plugin, () -> {
+                    final int deleted =
+                            deleteRound >= 0
+                                    ? deleteOldItems(deleteRound)
+                                    : 0;
+                    Bukkit.getScheduler().runTask(
+                            plugin, () -> {
+                                if (deleted > 0) {
+                                    broadcast("§7[垃圾站] §f永久清理了 §e"
+                                            + deleted + " §f个过期物品");
+                                }
 
-        // 递增轮次
-        currentRound++;
-        setConfigValue("round",
-                String.valueOf(currentRound));
+                                // 递增轮次
+                                currentRound++;
+                                final int roundNow =
+                                        currentRound;
+                                // ★ 轮次落库是 DB -> 异步
+                                Bukkit.getScheduler()
+                                        .runTaskAsynchronously(
+                                                plugin, () ->
+                                                        setConfigValue("round",
+                                                                String.valueOf(roundNow)));
 
-        // 收集当前掉落物
-        int count = collectItems();
-        broadcast("§a§l[垃圾站] §f清理完成，"
-                + "共清理 §e" + count
-                + " §f个掉落物，存入回收站");
+                                // 收集当前掉落物
+                                // （实体移除必须主线程，落库已在内部转异步）
+                                int count = collectItems();
+                                broadcast("§a§l[垃圾站] §f清理完成，"
+                                        + "共清理 §e" + count
+                                        + " §f个掉落物，存入回收站");
 
-        // 打印下次清理时间
-        long nextMs = System.currentTimeMillis()
-                + (long) cleanupInterval * 1000L;
-        String nextTime =
-                new SimpleDateFormat("HH:mm:ss")
-                        .format(new Date(nextMs));
-        broadcast("§e§l[垃圾站] §f下次清理时间: §a"
-                + nextTime);
+                                // 打印下次清理时间
+                                long nextMs = System.currentTimeMillis()
+                                        + (long) cleanupInterval * 1000L;
+                                String nextTime =
+                                        new SimpleDateFormat("HH:mm:ss")
+                                                .format(new Date(nextMs));
+                                broadcast("§e§l[垃圾站] §f下次清理时间: §a"
+                                        + nextTime);
+                            });
+                });
     }
 
     public int collectItems() {
         int count = 0;
+        List<ItemStack> picked = new ArrayList<>();
         for (org.bukkit.World w :
                 Bukkit.getWorlds()) {
             Collection<Item> items =
@@ -219,11 +234,21 @@ public class GarbageManager {
                         || stack.getType()
                         == Material.AIR)
                     continue;
-                saveItem(stack);
+                // ★ 先取快照再移除实体（实体移除必须主线程）
+                picked.add(stack.clone());
                 item.remove();
                 count++;
             }
         }
+        // ★ 落库是阻塞 DB（含 SN 脱管登记）-> 丢异步批量写
+        if (!picked.isEmpty()) {
+            final List<ItemStack> toSave = picked;
+            Bukkit.getScheduler()
+                    .runTaskAsynchronously(plugin, () -> {
+                        for (ItemStack s : toSave)
+                            saveItem(s);
+                    });
+        }
         return count;
     }
 
diff --git a/src/main/java/Sdf1_login/InventoryAutoBackup.java b/src/main/java/Sdf1_login/InventoryAutoBackup.java
index 55bdbff..394bce2 100644
--- a/src/main/java/Sdf1_login/InventoryAutoBackup.java
+++ b/src/main/java/Sdf1_login/InventoryAutoBackup.java
@@ -70,11 +70,18 @@ public class InventoryAutoBackup {
             return;
         }
 
-        int level = p.getLevel();
-        double experience = p.getExp(); // 当前等级进度 0.0~1.0
-        plugin.getDb().saveAutoBackup(
-                name, contentsB64, armorB64, extraB64,
-                level, experience);
-        plugin.getLogger().info("[自动备份] " + name + " 背包已备份");
+        final int level = p.getLevel();
+        final double experience = p.getExp(); // 当前等级进度 0.0~1.0
+        // ★ 读背包/等级必须主线程；落库是阻塞 DB 写 -> 投递异步执行
+        Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+            try {
+                plugin.getDb().saveAutoBackup(
+                        name, contentsB64, armorB64, extraB64,
+                        level, experience);
+                plugin.getLogger().info("[自动备份] " + name + " 背包已备份");
+            } catch (Throwable t) {
+                plugin.getLogger().warning("[自动备份] 落库失败 (" + name + "): " + t.getMessage());
+            }
+        });
     }
 }
diff --git a/src/main/java/Sdf1_login/Main.java b/src/main/java/Sdf1_login/Main.java
index 745e516..a12c4c7 100644
--- a/src/main/java/Sdf1_login/Main.java
+++ b/src/main/java/Sdf1_login/Main.java
@@ -532,13 +532,22 @@ public class Main extends JavaPlugin
         radio.startMainRadio();
         new BukkitRunnable() {
             public void run() {
-                if (questTracker == null) return;
+                final QuestTracker qt = questTracker;
+                if (qt == null) return;
+                // ★ QuestStorage.getCondition 是同步 SELECT（SQLITE_BUSY 时
+                //   会在调用线程 sleep 重试）-> 主线程只攒名单，DB 全部下沉异步
+                final List<String> names = new ArrayList<>();
                 for (Player p :
                         Bukkit.getOnlinePlayers()) {
                     if (!isFrozen(p))
-                        questTracker.onPlayTime(
-                                p.getName(), 30000L);
+                        names.add(p.getName());
                 }
+                if (names.isEmpty()) return;
+                Bukkit.getScheduler()
+                        .runTaskAsynchronously(Main.this, () -> {
+                            for (String n : names)
+                                qt.onPlayTime(n, 30000L);
+                        });
             }
         }.runTaskTimer(this, 600L, 600L);
 // [新增] Printer 文件清理（每小时检测一次）
@@ -547,7 +556,8 @@ public class Main extends JavaPlugin
                 if (bondPrinter != null)
                     bondPrinter.cleanupOldFiles();
             }
-        }.runTaskTimer(this, 1200L, 72000L);
+            // ★ 纯文件 listFiles/delete -> 异步，不占主线程
+        }.runTaskTimerAsynchronously(this, 1200L, 72000L);
 
         // 12 ===PVP===
         pvpManager = new PVPManager(this);
@@ -670,7 +680,8 @@ public class Main extends JavaPlugin
         // 这里简单采用「每小时检测一次，命中当天 0 点窗口即清理」过于繁琐，
         // 故改为每日定时：延迟 1 小时后启动，之后每 24 小时执行一次。
         long dayTicks = 24L * 60L * 60L * 20L;
-        getServer().getScheduler().runTaskTimer(this,
+        // ★ 纯 DB 清理 + 日志，主线程跑会随保留数据量增长而卡顿 -> 异步
+        getServer().getScheduler().runTaskTimerAsynchronously(this,
                 () -> {
                     try {
                         long cutoff = System.currentTimeMillis()
@@ -1009,8 +1020,11 @@ public class Main extends JavaPlugin
     private void startLoginReminder() {
         new BukkitRunnable() {
             public void run() {
+                // ★ 主线程只做 Bukkit 操作（踢出/自动登录/在线判定），
+                //   db.userExists 是同步 DB → 攒名单异步查，回主线程发提示
                 Iterator<UUID> it =
                         joinTime.keySet().iterator();
+                final List<String> needCheck = new ArrayList<>();
                 while (it.hasNext()) {
                     UUID uuid = it.next();
                     Player p = Bukkit.getPlayer(uuid);
@@ -1033,13 +1047,28 @@ public class Main extends JavaPlugin
                         continue;
                     }
 
-                    // 已注册→提示登录，未注册→提示注册
-                    if (db.userExists(p.getName()))
-                        p.sendMessage(config.msg(
-                                "not_logged_in"));
-                    else
-                        p.sendMessage(config.msg(
-                                "not_registered"));
+                    // 已注册→提示登录，未注册→提示注册（DB 查询下沉到异步）
+                    needCheck.add(p.getName());
+                }
+
+                if (!needCheck.isEmpty()) {
+                    Bukkit.getScheduler().runTaskAsynchronously(Main.this, () -> {
+                        final Map<String, Boolean> existsMap = new LinkedHashMap<>();
+                        for (String n : needCheck) {
+                            existsMap.put(n, db.userExists(n));
+                        }
+                        Bukkit.getScheduler().runTask(Main.this, () -> {
+                            for (Map.Entry<String, Boolean> e : existsMap.entrySet()) {
+                                Player pl = Bukkit.getPlayerExact(e.getKey());
+                                if (pl == null || !pl.isOnline()) continue;
+                                if (loggedIn.contains(pl.getName())) continue;
+                                pl.sendMessage(config.msg(
+                                        Boolean.TRUE.equals(e.getValue())
+                                                ? "not_logged_in"
+                                                : "not_registered"));
+                            }
+                        });
+                    });
                 }
             }
         }.runTaskTimer(this, 200L, 200L);
@@ -1067,10 +1096,13 @@ public class Main extends JavaPlugin
     private void startTicketAutoProcess() {
         new BukkitRunnable() {
             public void run() {
-                if (ticket != null)
-                    ticket.autoProcessCompleted();
+                // ★ autoProcessCompleted 是「多轮同步 DB 查询 + 写回」
+                //   -> 整体异步；内部所有 Bukkit 操作自行回主线程
+                final TicketManager tk = ticket;
+                if (tk != null)
+                    tk.autoProcessCompleted();
             }
-        }.runTaskTimer(this, 6000L, 6000L);
+        }.runTaskTimerAsynchronously(this, 6000L, 6000L);
     }
 
     // ===== Utils =====
@@ -1281,6 +1313,33 @@ public class Main extends JavaPlugin
         return t.contains(":");
     }
 
+    /**
+     * ★ 注册校验：封禁目标必须在 login.db 的 users 表中已注册，
+     *   未注册直接中止并告知执行者「玩家不存在」。
+     *   IP 目标（isIpTarget）不参与校验；DB 未就绪或查询异常时放行（只告警）。
+     * 返回 true = 放行；false = 已提示，调用方应直接 return。
+     */
+    private boolean ensureRegistered(CommandSender sender, String target) {
+        if (target == null || target.isEmpty()) return true;
+        if (isIpTarget(target)) return true;   // 纯 IP 不是玩家名
+        DatabaseManager d = getDb();
+        if (d == null) return true;            // DB 未就绪不阻断封禁
+        boolean exists;
+        try {
+            exists = d.userExistsIgnoreCase(target);
+        } catch (Exception ex) {
+            getLogger().warning("[封禁防护] 注册校验异常(放行): "
+                    + ex.getMessage());
+            return true;
+        }
+        if (!exists) {
+            sender.sendMessage(
+                    "§c§l[封禁] §f玩家不存在: §e" + target);
+            return false;
+        }
+        return true;
+    }
+
     /** 统一封禁入口：根据目标自动选择 NAME / IP 封禁名单 */
     private void applyBan(CommandSender sender, String target,
                           String reason, Long expireMs) {
@@ -1416,6 +1475,8 @@ public class Main extends JavaPlugin
             return;
         }
         String target = args[0];
+        // ★ 安全防护：目标必须已注册，否则直接返回「玩家不存在」
+        if (!ensureRegistered(sender, target)) return;
         String durStr = args[1];
         StringBuilder reason = new StringBuilder();
         for (int i = 2; i < args.length; i++) {
@@ -1473,6 +1534,8 @@ public class Main extends JavaPlugin
             return;
         }
         String target = args[0];
+        // ★ 安全防护：目标必须已注册，否则直接返回「玩家不存在」
+        if (!ensureRegistered(sender, target)) return;
         int reasonStart = 1;
         if (args.length > 1
                 && (args[1].equals("永久")
@@ -3396,6 +3459,203 @@ public class Main extends JavaPlugin
         handleBanCommand(e.getCommand().trim());
     }
 
+    // =========================================================
+    // ★ 任务50：无感切换 —— 服务端接管聊天栏 "/指令"
+    //   · 命中服务器指令（含原版 + 插件）→ 直接执行
+    //   · 指令名大小写不敏感（/SDF1_login 与 /sdf1_login 等价）
+    //   · 未命中 → 取消事件（压制原生 "Unknown command"），
+    //     按普通聊天经插件聊天管道转发公屏
+    //   优先级 MONITOR：晚于 HIGHEST 的冻结守卫，
+    //   未登录玩家的未知命令已先被拦下，不会绕过登录变成聊天。
+    // =========================================================
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onSeamlessCommandSwitch(
+            org.bukkit.event.player.PlayerCommandPreprocessEvent e) {
+        if (e.isCancelled()) return;
+        Player p = e.getPlayer();
+        String msg = e.getMessage().trim();
+        if (msg.isEmpty() || msg.charAt(0) != '/') return;
+        String body = msg.substring(1).trim();
+        if (body.isEmpty()) return;
+
+        org.bukkit.command.CommandMap cm = getCommandMapSafe();
+        if (cm == null) return;   // 拿不到命令映射 -> 维持原行为
+
+        String label = body.split(" ", 2)[0];
+        String lowerLabel = label.toLowerCase(java.util.Locale.ROOT);
+        // 命中判定统一用小写：SimpleCommandMap 的 key 本身就是小写
+        org.bukkit.command.Command hit = cm.getCommand(lowerLabel);
+        if (hit == null) hit = cm.getCommand("minecraft:" + lowerLabel);
+
+        if (hit != null) {
+            // ★ 指令大小写不敏感：原样 label 查不到但小写查得到
+            //   -> 取消原事件，用小写 label 重新分发一次
+            if (!label.equals(lowerLabel)
+                    && cm.getCommand(label) == null) {
+                e.setCancelled(true);
+                String rest = body.substring(label.length());
+                try {
+                    Bukkit.dispatchCommand(p, lowerLabel + rest);
+                } catch (Throwable t) {
+                    getLogger().warning("[无感切换] 指令分发失败: "
+                            + t.getMessage());
+                }
+            }
+            return;   // 命中 -> 直接执行，交还原版流程
+        }
+
+        // ★ 未命中：压制原生 "Unknown command"，转普通聊天
+        e.setCancelled(true);
+        forwardAsChat(p, body);
+    }
+
+    /**
+     * 反射取命令映射（Bukkit.getCommandMap 为 Paper API，
+     * 反射可同时兼容 Spigot / CraftServer 实现）。拿不到返回 null。
+     */
+    private org.bukkit.command.CommandMap getCommandMapSafe() {
+        try {
+            java.lang.reflect.Method m =
+                    Bukkit.class.getMethod("getCommandMap");
+            Object cm = m.invoke(null);
+            if (cm instanceof org.bukkit.command.CommandMap)
+                return (org.bukkit.command.CommandMap) cm;
+        } catch (Throwable ignored) {
+        }
+        try {
+            java.lang.reflect.Method m = Bukkit.getServer().getClass()
+                    .getMethod("getCommandMap");
+            Object cm = m.invoke(Bukkit.getServer());
+            if (cm instanceof org.bukkit.command.CommandMap)
+                return (org.bukkit.command.CommandMap) cm;
+        } catch (Throwable ignored) {
+        }
+        return null;
+    }
+
+    /**
+     * 把「未命中指令」的文本当作玩家聊天，走插件既有聊天管道
+     * （验证码 / 敏感词过滤 / 自定义格式 / 其它插件监听）。
+     */
+    private void forwardAsChat(Player p, String text) {
+        if (text == null || text.isEmpty()) return;
+        try {
+            java.util.Set<Player> rcpt =
+                    new java.util.HashSet<>(Bukkit.getOnlinePlayers());
+            org.bukkit.event.player.AsyncPlayerChatEvent ev =
+                    new org.bukkit.event.player.AsyncPlayerChatEvent(
+                            false, p, text, rcpt);
+            Bukkit.getPluginManager().callEvent(ev);
+            if (ev.isCancelled()) return;
+            String fmt = ev.getFormat();
+            // 新版 API 中 recipients 可能为空 -> 兜底全服
+            java.util.Set<Player> rs = ev.getRecipients();
+            if (rs == null || rs.isEmpty())
+                rs = new java.util.HashSet<>(Bukkit.getOnlinePlayers());
+            for (Player r : rs) {
+                r.sendMessage(String.format(fmt,
+                        p.getDisplayName(), ev.getMessage()));
+            }
+        } catch (Throwable t) {
+            getLogger().warning("[无感切换] 转发聊天失败: "
+                    + t.getMessage());
+            Bukkit.broadcastMessage(p.getDisplayName() + "§r: " + text);
+        }
+    }
+
+    // =========================================================
+    // ★ 任务48：改判系统 + 注册校验（原版 /ban 执行前拦截）
+    //   优先级 HIGH —— 早于 MONITOR 的 handleBanCommand，
+    //   取消后原版命令根本不执行 => 天然压制 MC 原生提示。
+    // =========================================================
+    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    public void onPlayerBanGuard(
+            org.bukkit.event.player.PlayerCommandPreprocessEvent e) {
+        if (e.isCancelled()) return;
+        String msg = e.getMessage().trim();
+        if (msg.isEmpty() || msg.charAt(0) != '/') return;
+        if (!guardVanillaBan(e.getPlayer(), msg.substring(1)))
+            e.setCancelled(true);
+    }
+
+    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    public void onConsoleBanGuard(
+            org.bukkit.event.server.ServerCommandEvent e) {
+        if (e.isCancelled()) return;
+        if (!guardVanillaBan(e.getSender(), e.getCommand().trim()))
+            e.setCancelled(true);
+    }
+
+    /**
+     * 原版 /ban、/ban-ip 前置守卫。
+     * 返回 true = 放行交回原版；false = 已处理/已拒绝（调用方取消事件）。
+     */
+    private boolean guardVanillaBan(CommandSender sender,
+                                    String rawCommand) {
+        if (rawCommand == null || rawCommand.isEmpty()) return true;
+        String lower = rawCommand.toLowerCase();
+        // 兼容 minecraft:ban / minecraft:ban-ip 形式
+        if (lower.startsWith("minecraft:")) {
+            rawCommand = rawCommand.substring(10);
+            lower = lower.substring(10);
+        }
+        boolean isNameBan = lower.equals("ban")
+                || lower.startsWith("ban ");
+        boolean isIpBan = lower.equals("ban-ip")
+                || lower.startsWith("ban-ip ")
+                || lower.equals("banip")
+                || lower.startsWith("banip ");
+        if (!isNameBan && !isIpBan) return true;   // 非封禁命令放行
+
+        String[] parts = rawCommand.split("\\s+");
+        if (parts.length < 2) return true;          // 参数不足交回原版提示
+        String target = parts[1];
+        if (isIpTarget(target)) return true;        // 纯 IP 目标不校验注册
+
+        // 无权限玩家直接交回原版（原版自行拒绝），不泄露注册信息
+        if (sender instanceof Player && !isPrivileged(sender)
+                && !sender.hasPermission("minecraft:ban")
+                && !sender.hasPermission("minecraft:op")) {
+            return true;
+        }
+
+        // ---- 1) 注册校验：未注册 -> 拒绝并提示 ----
+        if (!ensureRegistered(sender, target)) return false;
+
+        // ---- 2) 改判：目标处于「生效中的临时封禁」时，
+        //         原版 /ban 直接改判为永久封禁 ----
+        if (isNameBan) {
+            try {
+                org.bukkit.BanEntry<?> old =
+                        Bukkit.getBanList(org.bukkit.BanList.Type.NAME)
+                                .getBanEntry(target);
+                java.util.Date exp = old == null
+                        ? null : old.getExpiration();
+                if (exp != null
+                        && exp.getTime() > System.currentTimeMillis()) {
+                    StringBuilder rb = new StringBuilder();
+                    for (int i = 2; i < parts.length; i++) {
+                        if (rb.length() > 0) rb.append(' ');
+                        rb.append(parts[i]);
+                    }
+                    String reason = rb.length() > 0 ? rb.toString()
+                            : "违反服务器规则（临时封禁改判为永久）";
+                    // 取消原版执行 -> 原生 "Banned player ..." 不再出现
+                    applyBan(sender, target, reason, null);
+                    sender.sendMessage(
+                            "§6§l[改判] §f目标 §e" + target
+                                    + " §f正处于临时封禁中，"
+                                    + "§c已直接改判为永久封禁");
+                    return false;
+                }
+            } catch (Exception ex) {
+                getLogger().warning("[改判] 读取封禁条目异常: "
+                        + ex.getMessage());
+            }
+        }
+        return true;
+    }
+
     private void handleBanCommand(String rawCommand) {
         if (rawCommand.isEmpty()) return;
         String lower = rawCommand.toLowerCase();
diff --git a/src/main/java/Sdf1_login/OrderManager.java b/src/main/java/Sdf1_login/OrderManager.java
index c284985..3686bfa 100644
--- a/src/main/java/Sdf1_login/OrderManager.java
+++ b/src/main/java/Sdf1_login/OrderManager.java
@@ -1340,10 +1340,22 @@ public class OrderManager implements Listener {
             } if (cur != null && cur.uuid != null) orders.add(cur); br.close();
         } catch (Exception e) { plugin.getLogger().warning("[Order]加载失败: " + e.getMessage()); }
     }
+    /** 写盘互斥锁：与 orders 锁分离，避免持 orders 锁做文件 IO（异步清理写盘时主线程 add 会被卡） */
+    private final Object saveLock = new Object();
+
     private void saveOrders() {
+        // ★ 先在 orders 锁内取快照（极快），再持 saveLock 写盘
+        //   ① 主线程 recordOrder 的 add 不会被慢速写盘阻塞
+        //   ② 主线程与异步清理任务不会同时写 orders.dat 互相截断
+        final List<OrderRecord> snap;
+        synchronized (orders) { snap = new ArrayList<>(orders); }
+        synchronized (saveLock) { saveOrdersTo(snap); }
+    }
+
+    private void saveOrdersTo(List<OrderRecord> snap) {
         File f = new File(plugin.getDataFolder(), "orders.dat");
         try { PrintWriter pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream(f), StandardCharsets.UTF_8));
-            synchronized (orders) { for (OrderRecord r : orders) { pw.println("==");
+            { for (OrderRecord r : snap) { pw.println("==");
                 pw.println("id=" + r.orderId); pw.println("uuid=" + r.uuid); pw.println("player=" + r.player);
                 pw.println("totalOriginal=" + r.totalOriginal); pw.println("totalPaid=" + r.totalPaid);
                 pw.println("discount=" + r.discount); pw.println("discountType=" + nn(r.discountType));
@@ -1355,7 +1367,9 @@ public class OrderManager implements Listener {
             } } pw.flush(); pw.close();
         } catch (Exception e) { plugin.getLogger().warning("[Order]保存失败: " + e.getMessage()); }
     }
-    private void startCleanupTask() { new BukkitRunnable() { public void run() { synchronized (orders) { if (orders.removeIf(OrderManager.this::isExpired)) saveOrders(); } } }.runTaskTimer(plugin, 36000L, 36000L); }
+    // ★ 过期清理 = 遍历 + 全量落盘（文件 IO）→ 异步定时器；
+    //   removeIf 在 orders 锁内完成即释放，写盘走 saveLock，不长期占着 orders 锁
+    private void startCleanupTask() { new BukkitRunnable() { public void run() { boolean changed; synchronized (orders) { changed = orders.removeIf(OrderManager.this::isExpired); } if (changed) saveOrders(); } }.runTaskTimerAsynchronously(plugin, 36000L, 36000L); }
     /**
      * 将小票书塞入潜影盒
      */
diff --git a/src/main/java/Sdf1_login/QuickBack.java b/src/main/java/Sdf1_login/QuickBack.java
index c379cac..bd9497f 100644
--- a/src/main/java/Sdf1_login/QuickBack.java
+++ b/src/main/java/Sdf1_login/QuickBack.java
@@ -125,7 +125,15 @@ public class QuickBack implements Listener, CommandExecutor, TabCompleter {
     private void recordLocation(Player player) {
         Location loc = player.getLocation();
         lastKnownLocations.put(player.getName(), loc);
-        saveToDB(player.getName(), loc);
+        // ★ 读坐标/更新内存缓存留主线程；写库是阻塞 DB 操作 -> 异步
+        final String name = player.getName();
+        Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+            try {
+                saveToDB(name, loc);
+            } catch (Throwable t) {
+                plugin.getLogger().warning("[快捷返回] 坐标落库失败 (" + name + "): " + t.getMessage());
+            }
+        });
     }
 
     public Location getLastKnownLocation(Player player) {
diff --git a/src/main/java/Sdf1_login/SnManager.java b/src/main/java/Sdf1_login/SnManager.java
index 53f1a0e..89d0030 100644
--- a/src/main/java/Sdf1_login/SnManager.java
+++ b/src/main/java/Sdf1_login/SnManager.java
@@ -1416,14 +1416,33 @@ public class SnManager implements Listener {
      */
     private void startAutoSweepTask() {
         try {
+            // ★ autoSweep 必须主线程（读写玩家背包），且内部含多次 SQLite 点查。
+            //   原实现一 tick 内清点「全部」在线玩家，人数一多就是主线程尖峰 ->
+            //   改为「每 tick 只清点 1 名玩家」的轮转分片，仍保持约 60 秒一轮：
+            //   单 tick 成本 = 1 名玩家，而非全服。
+            final int[] cursor = {0};
+            final long[] roundStart =
+                    {System.currentTimeMillis()};
             Bukkit.getScheduler().runTaskTimer(plugin, new Runnable() {
                 @Override
                 public void run() {
+                    long now = System.currentTimeMillis();
+                    // 每 60 秒重开一轮
+                    if (now - roundStart[0] >= 60_000L) {
+                        cursor[0] = 0;
+                        roundStart[0] = now;
+                    }
                     List<Player> online =
                             new ArrayList<>(Bukkit.getOnlinePlayers());
-                    for (Player p : online) autoSweep(p, false);
+                    if (online.isEmpty()) {
+                        cursor[0] = 0;
+                        return;
+                    }
+                    if (cursor[0] >= online.size()) return; // 本轮已清点完
+                    Player p = online.get(cursor[0]++);
+                    autoSweep(p, false);
                 }
-            }, 200L, 1200L);
+            }, 200L, 1L);
         } catch (Throwable t) {
             throttleErr("sweeptimer:" + t.getMessage());
         }
@@ -1438,7 +1457,9 @@ public class SnManager implements Listener {
      */
     private void startCustodySweepTask() {
         try {
-            Bukkit.getScheduler().runTaskTimer(plugin, new Runnable() {
+            // ★ sweepCustody 是纯 DB（UPDATE + SELECT），改异步定时器
+            //   内部 lostReported 是 ConcurrentHashMap、日志线程安全
+            Bukkit.getScheduler().runTaskTimerAsynchronously(plugin, new Runnable() {
                 @Override
                 public void run() {
                     sweepCustody();
diff --git a/src/main/java/Sdf1_login/TicketManager.java b/src/main/java/Sdf1_login/TicketManager.java
index 16ea4d7..e8ab50d 100644
--- a/src/main/java/Sdf1_login/TicketManager.java
+++ b/src/main/java/Sdf1_login/TicketManager.java
@@ -704,6 +704,11 @@ public class TicketManager {
                 "§e§l===================");
     }
 
+    /**
+     * ★ 由异步定时器调用（Main.startTicketAutoProcess）。
+     *   DB 查询/写回留在当前（异步）线程；
+     *   取玩家 / 发消息 / 备份背包 / 踢人 一律经 sync() 回主线程。
+     */
     public void autoProcessCompleted() {
         long timeoutMs = 10 * 60 * 1000L;
 
@@ -737,25 +742,26 @@ public class TicketManager {
                         .getUnconfirmedCompleted(
                                 timeoutMs);
         for (Map<String, Object> t : list) {
-            int id = nv(t, "id");
+            final int id = nv(t, "id");
             plugin.getDb().confirmTicket(id, 3);
-            Player rp = Bukkit.getPlayer(
-                    sv(t, "requester"));
-            if (rp != null && rp.isOnline())
-                rp.sendMessage(
-                        "§e§l[工单] §f工单 #"
-                                + id + " 已自动完结");
-            String assigned =
-                    sv(t, "assigned_to");
-            if (!assigned.isEmpty()) {
-                Player pp =
-                        Bukkit.getPlayer(assigned);
-                if (pp != null && pp.isOnline())
-                    pp.sendMessage(
+            final String req = sv(t, "requester");
+            final String asg = sv(t, "assigned_to");
+            sync(() -> {
+                Player rp = Bukkit.getPlayer(req);
+                if (rp != null && rp.isOnline())
+                    rp.sendMessage(
                             "§e§l[工单] §f工单 #"
-                                    + id
-                                    + " 已自动完结");
-            }
+                                    + id + " 已自动完结");
+                if (!asg.isEmpty()) {
+                    Player pp =
+                            Bukkit.getPlayer(asg);
+                    if (pp != null && pp.isOnline())
+                        pp.sendMessage(
+                                "§e§l[工单] §f工单 #"
+                                        + id
+                                        + " 已自动完结");
+                }
+            });
             settleTicket(id);
         }
 
@@ -765,14 +771,16 @@ public class TicketManager {
                         .getRepliedStaleTickets(
                                 timeoutMs);
         for (Map<String, Object> t : stale) {
-            int id = nv(t, "id");
+            final int id = nv(t, "id");
             plugin.getDb().confirmTicket(id, 3);
-            Player rp = Bukkit.getPlayer(
-                    sv(t, "requester"));
-            if (rp != null && rp.isOnline())
-                rp.sendMessage(
-                        "§e§l[工单] §f工单 #"
-                                + id + " 超时自动完结");
+            final String req = sv(t, "requester");
+            sync(() -> {
+                Player rp = Bukkit.getPlayer(req);
+                if (rp != null && rp.isOnline())
+                    rp.sendMessage(
+                            "§e§l[工单] §f工单 #"
+                                    + id + " 超时自动完结");
+            });
             settleTicket(id);
         }
     }
@@ -1266,13 +1274,23 @@ public class TicketManager {
 
     // ========== 私有 ==========
 
+    /**
+     * 把 Bukkit 操作切回主线程执行。
+     * 已在主线程时立即执行（保持原调用方的同步语义）。
+     * 供异步定时器路径（autoProcessCompleted / settleTicket / processDeleteAccount）使用。
+     */
+    private void sync(Runnable r) {
+        if (Bukkit.isPrimaryThread()) r.run();
+        else Bukkit.getScheduler().runTask(plugin, r);
+    }
+
     private void settleTicket(int tid) {
         Map<String, Object> t =
                 plugin.getDb().getTicket(tid);
         if (t == null) return;
-        String requester =
+        final String requester =
                 sv(t, "requester");
-        String assigned =
+        final String assigned =
                 sv(t, "assigned_to");
         int reward = nv(t, "reward_amount");
         int score = nv(t, "score");
@@ -1285,14 +1303,16 @@ public class TicketManager {
                     requester, reward,
                     BondManager.TX_TICKET_REWARD, "",
                     "System", "工单 #" + tid + " 奖励");
-            Player rp = Bukkit.getPlayer(
-                    requester);
-            if (rp != null && rp.isOnline()) {
-                rp.sendMessage(
-                        "§e§l[工单] §f获得 "
-                                + reward
-                                + " 债券奖励");
-            }
+            sync(() -> {
+                Player rp = Bukkit.getPlayer(
+                        requester);
+                if (rp != null && rp.isOnline()) {
+                    rp.sendMessage(
+                            "§e§l[工单] §f获得 "
+                                    + reward
+                                    + " 债券奖励");
+                }
+            });
         }
 
         // ★ 服务商获得债券奖励
@@ -1307,17 +1327,20 @@ public class TicketManager {
                                 + " 服务奖励(评分"
                                 + score + ")");
             }
-            Player pp =
-                    Bukkit.getPlayer(assigned);
-            if (pp != null && pp.isOnline()) {
-                pp.sendMessage(
-                        "§a§l[工单] §f工单 #"
-                                + tid
-                                + " 确认完结");
-                if (bondReward > 0)
-                    pp.sendMessage("§7债券: §e"
-                            + bondReward + " 枚");
-            }
+            final int br = bondReward;
+            sync(() -> {
+                Player pp =
+                        Bukkit.getPlayer(assigned);
+                if (pp != null && pp.isOnline()) {
+                    pp.sendMessage(
+                            "§a§l[工单] §f工单 #"
+                                    + tid
+                                    + " 确认完结");
+                    if (br > 0)
+                        pp.sendMessage("§7债券: §e"
+                                + br + " 枚");
+                }
+            });
         }
     }
 
@@ -1405,31 +1428,34 @@ public class TicketManager {
      */
     public void processDeleteAccount(int tid,
                                      Map<String, Object> t) {
-        String requester = sv(t, "requester");
+        final String requester = sv(t, "requester");
         plugin.getDb().updateTicketStatus(
                 tid, "resolved");
         plugin.getDb().updateTicketField(tid,
                 "admin_confirmed", 1);
-        Player target =
-                Bukkit.getPlayerExact(requester);
-        if (target != null && target.isOnline()) {
-            plugin.backupInventory(target);
-            target.sendMessage(
-                    "§a§l[工单] §f您的删号请求已通过");
-            target.sendMessage(
-                    "§7物品已备份，下次登录可取回");
-            target.kickPlayer(
-                    "§a删号成功，物品已备份。\n"
-                            + "请等待5分钟后重新注册取回物品。");
-        } else {
-            // 离线：仅标记，不操作数据库
-            plugin.getLogger().info(
-                    "[Sdf1_login] " + requester
-                            + " 删号工单已通过，等待上线执行");
-        }
-        // 延迟执行删号
+        // ★ 备份背包 / 发消息 / 踢人 必须主线程
+        sync(() -> {
+            Player target =
+                    Bukkit.getPlayerExact(requester);
+            if (target != null && target.isOnline()) {
+                plugin.backupInventory(target);
+                target.sendMessage(
+                        "§a§l[工单] §f您的删号请求已通过");
+                target.sendMessage(
+                        "§7物品已备份，下次登录可取回");
+                target.kickPlayer(
+                        "§a删号成功，物品已备份。\n"
+                                + "请等待5分钟后重新注册取回物品。");
+            } else {
+                // 离线：仅标记，不操作数据库
+                plugin.getLogger().info(
+                        "[Sdf1_login] " + requester
+                                + " 删号工单已通过，等待上线执行");
+            }
+        });
+        // 延迟执行删号（DB 写 -> 异步，不占主线程）
         final String name = requester;
-        Bukkit.getScheduler().runTaskLater(
+        Bukkit.getScheduler().runTaskLaterAsynchronously(
                 plugin, () -> {
                     int deleted =
                             plugin.getDb().deleteUser(name);
diff --git a/src/main/java/Sdf1_login/WebManager.java b/src/main/java/Sdf1_login/WebManager.java
index 22b6920..71a64ef 100644
--- a/src/main/java/Sdf1_login/WebManager.java
+++ b/src/main/java/Sdf1_login/WebManager.java
@@ -3460,33 +3460,44 @@ public class WebManager {
 
     /**
      * 4. 注册账号到Web端
+     * ★ 内部异步：调用点在主线程（Web注册回调 runTask 里），
+     *   HTTP 同步（token + register.php POST，10s 超时）会卡死 tick。
      */
     public void syncRegistration(String playerName, String passwordHash, String salt, String email, String ip) {
         if (!enabled) return;
 
-        try {
-            String token = generateAndSyncToken(playerName, "register");
+        // 参数在 lambda 内只读，effectively final；email/ip 可能为 null，先落地
+        final String fPlayer = playerName;
+        final String fHash = passwordHash;
+        final String fSalt = salt;
+        final String fEmail = email != null ? email : "";
+        final String fIp = ip != null ? ip : "";
 
-            Map<String, Object> body = new LinkedHashMap<>();
-            body.put("player", playerName);
-            body.put("password_hash", passwordHash);
-            body.put("salt", salt);
-            body.put("email", email != null ? email : "");
-            body.put("ip", ip != null ? ip : "");
+        Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+            try {
+                String token = generateAndSyncToken(fPlayer, "register");
 
-            String response = httpPostWithToken("api/register.php?action=register", token, body);
-            if (response != null) {
-                Map<String, Object> result = parseJson(response);
-                Boolean success = (Boolean) result.get("success");
-                if (Boolean.TRUE.equals(success)) {
-                    plugin.getLogger().info("[Web通信] 注册同步成功: " + playerName);
-                } else {
-                    plugin.getLogger().warning("[Web通信] 注册同步失败: " + result.get("message"));
+                Map<String, Object> body = new LinkedHashMap<>();
+                body.put("player", fPlayer);
+                body.put("password_hash", fHash);
+                body.put("salt", fSalt);
+                body.put("email", fEmail);
+                body.put("ip", fIp);
+
+                String response = httpPostWithToken("api/register.php?action=register", token, body);
+                if (response != null) {
+                    Map<String, Object> result = parseJson(response);
+                    Boolean success = (Boolean) result.get("success");
+                    if (Boolean.TRUE.equals(success)) {
+                        plugin.getLogger().info("[Web通信] 注册同步成功: " + fPlayer);
+                    } else {
+                        plugin.getLogger().warning("[Web通信] 注册同步失败: " + result.get("message"));
+                    }
                 }
+            } catch (Exception e) {
+                plugin.getLogger().warning("[Web通信] 注册同步异常: " + e.getMessage());
             }
-        } catch (Exception e) {
-            plugin.getLogger().warning("[Web通信] 注册同步异常: " + e.getMessage());
-        }
+        });
     }
 
     /**
@@ -6608,11 +6619,12 @@ public class WebManager {
                 // 标记为已处理
                 processedWebLoginRequests.put(reqId, System.currentTimeMillis());
 
-                // 在主线程验证密码
+                // ★ 异步验证密码：handleWebPasswordVerify 是纯 DB（login.db），
+                //   原来 runTask 到主线程跑同步查询，数据量涨起来会顶 tick
                 final String fReqId = reqId;
                 final String fName = playerName;
                 final String fPwd = password;
-                Bukkit.getScheduler().runTask(plugin, () -> {
+                Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
                     try {
                         String result = plugin.handleWebPasswordVerify(fName, fPwd);
                         plugin.getLogger().info("[Web密码验证] 结果: player=" + fName + " result=" + result);
@@ -6926,7 +6938,9 @@ public class WebManager {
                         // 现在：拉取→立即ack（写confirmed表）→处理→confirm（保险）
                         ackTransaction(txId, type);
 
-                        // 在主线程处理交易
+                        // 在主线程处理交易（Bukkit 发货/背包操作必须主线程）
+                        // ★ 交易内的 HTTP（confirm/refund）已由 confirmTransaction/
+                        //   writeRefundTransaction 改为异步投递，主线程不再等待网络。
                         final String fTxId = txId;
                         final String fName = playerName;
                         final String fType = type;
@@ -7645,7 +7659,15 @@ public class WebManager {
     }
 
     /**
-     * 确认交易已处理（同步调用，确保PHP收到确认后才返回，防止重启后重复发货）
+     * 确认交易已处理。
+     *
+     * <p>★ 2026-10-03 主线程零HTTP改造：本地去重标记仍然同步写入，
+     * 但上报 PHP 的 doPost（HttpClient.send，10 秒超时）改丢异步线程。
+     * 原实现被 processWebTransaction 调用，而后者是被
+     * Bukkit.getScheduler().runTask 派回主线程执行的 —— 后端一慢，
+     * 主线程就被 cfHttpClient.send 卡满 10 秒，触发
+     * "The server has not responded for 10 seconds" 线程转储（线上报错根因）。
+     * 重启防重不受影响：confirmedTxIds 同步写入 + 拉取阶段 ackTransaction 已先行落库。
      */
     private void confirmTransaction(String txId) {
         try {
@@ -7653,27 +7675,53 @@ public class WebManager {
             String bodyJson = "{\"tx_id\":\"" + txId + "\"}";
             String postUrl = webBaseUrl + "/api/sync.php?action=confirm_transaction&secret="
                     + java.net.URLEncoder.encode(secretKey, "UTF-8");
-            doPost(postUrl, bodyJson);
+            postAsyncFireAndForget("[Web交易] 确认交易 " + txId, postUrl, bodyJson);
         } catch (Exception e) {
             plugin.getLogger().warning("[Web交易] 确认交易 " + txId + " 失败（已标记本地已确认，不会重复处理）: " + e.getMessage());
         }
     }
 
+    /**
+     * 异步 POST 上报（fire-and-forget）：结果只用于记日志的场合，
+     * 绝不在主线程同步等待 HTTP。
+     */
+    private void postAsyncFireAndForget(final String tag, final String url, final String body) {
+        try {
+            Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+                try {
+                    doPost(url, body);
+                } catch (Exception e) {
+                    plugin.getLogger().warning(tag + " 异步上报失败: " + e.getMessage());
+                }
+            });
+        } catch (Throwable t) {
+            plugin.getLogger().warning(tag + " 无法投递异步上报: " + t.getMessage());
+        }
+    }
+
     /**
      * 写入退款记录到 PHP 端（通过 sync.php），让 PHP 自动退款+恢复库存。
      * 用于购物车发货部分/全部失败时的整单退款。
      */
-    private void writeRefundTransaction(String playerName, int amount, String origTxId, String reason, String payMode) {
+    private void writeRefundTransaction(final String playerName, final int amount, final String origTxId,
+                                        final String reason, final String payMode) {
         try {
-            String bodyJson = "{\"player_name\":\"" + playerName
+            final String bodyJson = "{\"player_name\":\"" + playerName
                     + "\",\"amount\":" + amount
                     + ",\"orig_tx_id\":\"" + origTxId
                     + "\",\"reason\":\"" + reason.replace("\"", "'")
                     + "\",\"pay_mode\":\"" + (payMode != null ? payMode : "bond") + "\"}";
-            String postUrl = webBaseUrl + "/api/sync.php?action=write_shop_refund&secret="
+            final String postUrl = webBaseUrl + "/api/sync.php?action=write_shop_refund&secret="
                     + java.net.URLEncoder.encode(secretKey, "UTF-8");
-            String resp = doPost(postUrl, bodyJson);
-            plugin.getLogger().info("[Web交易] 已写入退款记录: 玩家=" + playerName + " 金额=" + amount + " 原交易#" + origTxId + " 响应=" + resp);
+            // ★ 主线程零HTTP：退款上报同样丢异步（结果仅记日志，不影响发货流程）
+            Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+                try {
+                    String resp = doPost(postUrl, bodyJson);
+                    plugin.getLogger().info("[Web交易] 已写入退款记录: 玩家=" + playerName + " 金额=" + amount + " 原交易#" + origTxId + " 响应=" + resp);
+                } catch (Exception e) {
+                    plugin.getLogger().warning("[Web交易] 写入退款记录失败: " + e.getMessage());
+                }
+            });
         } catch (Exception e) {
             plugin.getLogger().warning("[Web交易] 写入退款记录失败: " + e.getMessage());
         }
@@ -7919,15 +7967,21 @@ public class WebManager {
      * 直接写入 PHP shop_config 表（secret 认证），随后由 pullShopConfig 定时器刷新本地缓存
      */
     public void pushShopConfig(String key, String value) {
-        try {
-            String urlStr = webBaseUrl + "/api/sync.php?action=set_shop_config&secret="
-                    + java.net.URLEncoder.encode(secretKey, "UTF-8")
-                    + "&key=" + java.net.URLEncoder.encode(key, "UTF-8")
-                    + "&value=" + java.net.URLEncoder.encode(value, "UTF-8");
-            doGet(urlStr);
-        } catch (Exception e) {
-            plugin.getLogger().warning("[配置推送] 保存商店配置失败: " + e.getMessage());
-        }
+        // ★ 调用点在命令处理（主线程）：doGet 有 10s 超时，同步执行会卡死 tick
+        //   沿用项目惯例走 submitWebTask（webExecutor），熔断打开时静默跳过
+        final String fKey = key;
+        final String fValue = value;
+        submitWebTask("pushShopConfig-" + fKey, () -> {
+            try {
+                String urlStr = webBaseUrl + "/api/sync.php?action=set_shop_config&secret="
+                        + java.net.URLEncoder.encode(secretKey, "UTF-8")
+                        + "&key=" + java.net.URLEncoder.encode(fKey, "UTF-8")
+                        + "&value=" + java.net.URLEncoder.encode(fValue, "UTF-8");
+                doGet(urlStr);
+            } catch (Exception e) {
+                plugin.getLogger().warning("[配置推送] 保存商店配置失败: " + e.getMessage());
+            }
+        });
     }
 
     /**
@@ -8442,7 +8496,8 @@ public class WebManager {
 
                 plugin.getLogger().info("[Web注册] 处理Web注册请求: " + playerName + " (ID:" + reqId + ")");
 
-                // 在主线程创建游戏账号
+                // ★ 异步创建游戏账号：主体是 DB 写 + HTTP 同步，
+                //   只有"在线玩家自动登录"必须回主线程（Bukkit API）
                 final String fReqId = reqId;
                 final String fName = playerName;
                 final String fHash = passwordHash;
@@ -8450,7 +8505,7 @@ public class WebManager {
                 final String fEmail = email != null ? email : "";
                 final String fIp = ipAddress != null ? ipAddress : "";
 
-                Bukkit.getScheduler().runTask(plugin, () -> {
+                Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
                     try {
                         // 检查玩家是否已注册
                         DatabaseManager dbMgr = plugin.getDb();
@@ -8485,19 +8540,19 @@ public class WebManager {
                             dbMgr.setField(fName, "register_ip", fIp);
                         }
 
-                        // ★ 如果玩家当前在线，自动登录
-                        Player onlinePlayer = Bukkit.getPlayer(fName);
-                        if (onlinePlayer != null && onlinePlayer.isOnline()) {
-                            plugin.getLogger().info("[Web注册] 玩家 " + fName + " 当前在线，执行自动登录");
-                            Bukkit.getScheduler().runTask(plugin, () -> {
+                        // ★ 如果玩家当前在线，自动登录 —— Bukkit API 必须主线程
+                        Bukkit.getScheduler().runTask(plugin, () -> {
+                            Player onlinePlayer = Bukkit.getPlayer(fName);
+                            if (onlinePlayer != null && onlinePlayer.isOnline()) {
+                                plugin.getLogger().info("[Web注册] 玩家 " + fName + " 当前在线，执行自动登录");
                                 plugin.autoLogin(onlinePlayer, "web_register");
                                 onlinePlayer.sendMessage("§a[Sdf1_login] §fWeb注册成功，已自动登录！");
-                            });
-                        } else {
-                            plugin.getLogger().info("[Web注册] 玩家 " + fName + " 当前不在线");
-                        }
+                            } else {
+                                plugin.getLogger().info("[Web注册] 玩家 " + fName + " 当前不在线");
+                            }
+                        });
 
-                        // 同步注册到Web端
+                        // 同步注册到Web端（方法内部已异步）
                         syncRegistration(fName, fHash, fSalt, fIp, fEmail);
 
                         // 同步密码凭证到Web端（通过DB队列）
@@ -8591,7 +8646,8 @@ public class WebManager {
 
                 plugin.getLogger().info("[Web注册] 发现未同步用户: " + fName + "，正在补全到本地数据库");
 
-                Bukkit.getScheduler().runTask(plugin, () -> {
+                // ★ 异步补全：DB 写 + HTTP 同步；自动登录回主线程
+                Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
                     try {
                         dbMgr.createUser(fName, fHash, fSalt);
                         plugin.getLogger().info("[Web注册] 补全成功: " + fName);
@@ -8602,13 +8658,13 @@ public class WebManager {
                             dbMgr.setField(fName, "register_ip", fIp);
                         }
 
-                        Player onlinePlayer = Bukkit.getPlayer(fName);
-                        if (onlinePlayer != null && onlinePlayer.isOnline()) {
-                            Bukkit.getScheduler().runTask(plugin, () -> {
+                        Bukkit.getScheduler().runTask(plugin, () -> {
+                            Player onlinePlayer = Bukkit.getPlayer(fName);
+                            if (onlinePlayer != null && onlinePlayer.isOnline()) {
                                 plugin.autoLogin(onlinePlayer, "web_register");
                                 onlinePlayer.sendMessage("§a[Sdf1_login] §fWeb注册成功，已自动登录！");
-                            });
-                        }
+                            }
+                        });
 
                         syncRegistration(fName, fHash, fSalt, fIp, fEmail);
                         submitDbTask("补全-pushWebLoginCredentials", () -> pushWebLoginCredentials());