diff --git a/src/main/java/aplini/ipacwhitelist/IpacWhitelist.java b/src/main/java/aplini/ipacwhitelist/IpacWhitelist.java
index 690fe8e..3df7818 100644
--- a/src/main/java/aplini/ipacwhitelist/IpacWhitelist.java
+++ b/src/main/java/aplini/ipacwhitelist/IpacWhitelist.java
@@ -4,11 +4,13 @@
 import aplini.ipacwhitelist.Listener.onPlayerJoin;
 import aplini.ipacwhitelist.util.SQL_io;
 import aplini.ipacwhitelist.Listener.onVisitPlayerJoin;
+import org.bukkit.Bukkit;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.server.ServerLoadEvent;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import java.util.Objects;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
@@ -35,7 +37,7 @@ public void onEnable() {
         // 注册监听器
         getServer().getPluginManager().registerEvents(this, this);
         getServer().getPluginManager().registerEvents(new onPlayerJoin(this), this);
-        getServer().getPluginManager().registerEvents(new CommandHandler(this), this);
+        Objects.requireNonNull(Bukkit.getPluginCommand("wl")).setExecutor(new CommandHandler(this));
 
         if(plugin.getConfig().getBoolean("visit.enable", false)){
             getServer().getPluginManager().registerEvents(new onVisitPlayerJoin(this), this);
@@ -61,7 +63,7 @@ public void onServerLoad(ServerLoadEvent event) {
                 throw new RuntimeException(e);
             }
 
-            getLogger().info("[IpacWhitelist] 启动等待结束");
+            getLogger().info("启动等待结束");
             // 允许加入
             allowJoin = true;
         });
diff --git a/src/main/java/aplini/ipacwhitelist/Listener/CommandHandler.java b/src/main/java/aplini/ipacwhitelist/Listener/CommandHandler.java
index bf4ae69..1c55af7 100644
--- a/src/main/java/aplini/ipacwhitelist/Listener/CommandHandler.java
+++ b/src/main/java/aplini/ipacwhitelist/Listener/CommandHandler.java
@@ -35,11 +35,10 @@ public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command
             // 重新连接数据库
             case "reconnect_database" -> {
                 allowJoin = false;
-                SQL_io.closeConnection();
-                SQL_io.connection();
+                SQL_io.reconnect();
                 SQL_io.initialize();
-                allowJoin = true;
                 sender.sendMessage(plugin.getConfig().getString("message.command.reconnect-database", ""));
+                allowJoin = true;
             }
 
             // 添加一个账户
diff --git a/src/main/java/aplini/ipacwhitelist/Listener/onPlayerJoin.java b/src/main/java/aplini/ipacwhitelist/Listener/onPlayerJoin.java
index 6087c27..78800ec 100644
--- a/src/main/java/aplini/ipacwhitelist/Listener/onPlayerJoin.java
+++ b/src/main/java/aplini/ipacwhitelist/Listener/onPlayerJoin.java
@@ -55,7 +55,7 @@ public void onPlayerLogin(PlayerLoginEvent event) {
             case WHITE -> // 白名单
                     event.setResult(PlayerLoginEvent.Result.ALLOWED);
 
-            // 不存在or已移出白名单, 参观账户
+            // 不存在/已移出白名单, 参观账户
             case NOT, VISIT -> { // 不在白名单中
                 // 是否启用参观账户
                 if(plugin.getConfig().getBoolean("visit.enable", false)){
@@ -73,8 +73,8 @@ public void onPlayerLogin(PlayerLoginEvent event) {
             }
 
             case WHITE_EXPIRED -> { // 白名单已过期
-                getLogger().info("[IpacWhitelist] %s 白名单已过期或不在白名单中".formatted(event.getPlayer().getName()));
-                event.setKickMessage(plugin.getConfig().getString("message.join.not", "").replace("%player%", event.getPlayer().getName()));
+                getLogger().info("[IpacWhitelist] %s 白名单已过期".formatted(event.getPlayer().getName()));
+                event.setKickMessage(plugin.getConfig().getString("message.join.expired", "").replace("%player%", event.getPlayer().getName()));
                 event.setResult(PlayerLoginEvent.Result.KICK_WHITELIST);
             }
 
diff --git a/src/main/java/aplini/ipacwhitelist/util/SQL_io.java b/src/main/java/aplini/ipacwhitelist/util/SQL_io.java
index c3ab03b..9b57576 100644
--- a/src/main/java/aplini/ipacwhitelist/util/SQL_io.java
+++ b/src/main/java/aplini/ipacwhitelist/util/SQL_io.java
@@ -43,6 +43,12 @@ public static synchronized void closeConnection() {
             throw new RuntimeException(e);
         }
     }
+    // 重连
+    public static synchronized void reconnect() {
+        closeConnection();
+        connection();
+    }
+
     // 初始化数据库
     public static synchronized void initialize() {
         try {
@@ -54,6 +60,18 @@ public static synchronized void initialize() {
 
             // SQLITE
             if(db.equalsIgnoreCase("sqlite")){
+
+                // 使用 WAL 模式. 自动复用碎片空间
+                connection.prepareStatement("""
+                        PRAGMA journal_mode = WAL;
+                        PRAGMA auto_vacuum = 2;
+                        """
+                ).execute();
+
+                // 重新连接数据库
+                reconnect();
+
+                // 加载数据表
                 connection.prepareStatement("""
                         CREATE TABLE IF NOT EXISTS "%s" (
                             "ID" INTEGER NOT NULL,
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 292d467..3d959f3 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -34,8 +34,8 @@ whitelist:
 # 参观账户
 # 参观账户允许不在白名单中的玩家加入服务器, 可以限制其功能
 visit:
-  # 如果关闭, 则不会注册相关的事件, 修改后需要重启服务器
-  # 如果开启, 不在白名单中的玩家将会以参观账户的形式加入服务器
+  # 如果开启, 不在白名单和移出白名单的玩家将会以参观账户的形式加入服务器. 白名单过期和封禁中的账户依然不可加入服务器
+  # 关闭可重载配置, 但开启它需要重启服务器
   enable: false
   # 最多允许同时加入多少参观账户
   max-visit-player: 10
@@ -100,6 +100,7 @@ message:
   # 玩家加入
   join:
     not: '§6IpacEL §f> §b您不在白名单中或已失效, 请联系管理员恢复§7: §a%player%'
+    expired: '§6IpacEL §f> §b太久没有上线? 请联系管理员恢复白名单§7: §a%player%'
     black: '§6IpacEL §f> §b您被列入黑名单: §a%player%'
     err: '§6IpacEL §f> §a发生内部错误, 请稍后重试或联系管理员解决'
     starting: '§6IpacEL §f> §b服务器正在启动'