diff --git a/src/main/java/de/strifel/VTools/ServerCloser.java b/src/main/java/de/strifel/VTools/ServerCloser.java
new file mode 100644
index 0000000..cbc2be0
--- /dev/null
+++ b/src/main/java/de/strifel/VTools/ServerCloser.java
@@ -0,0 +1,154 @@
+package de.strifel.VTools;
+
+import com.velocitypowered.api.event.Subscribe;
+import com.velocitypowered.api.event.connection.DisconnectEvent;
+import com.velocitypowered.api.event.player.ServerConnectedEvent;
+import com.velocitypowered.api.proxy.Player;
+import com.velocitypowered.api.proxy.ProxyServer;
+import de.strifel.VTools.listeners.TGBridge;
+import okhttp3.*;
+import org.yaml.snakeyaml.Yaml;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.text.MessageFormat;
+import java.util.Collection;
+import java.util.Map;
+import java.util.Timer;
+import java.util.TimerTask;
+
+public class ServerCloser {
+    private static final long INACTIVITY_TIMEOUT_MILLISECOND = 15L * 60 * 1000; // 15 minutes
+    private static final OkHttpClient CLIENT = new OkHttpClient();
+    private String apiUrl;
+
+    private static final String ACTION_STOP_JSON = "{\"action\":\"stop\"}";
+    @SuppressWarnings("java:S1068")
+    private static final String ACTION_START_JSON = "{\"action\":\"start\"}";
+    private final VTools plugin;
+    private final ProxyServer server;
+
+    private Timer closeServerTimer = new Timer();
+
+    private final Object lock = new Object();
+
+    public ServerCloser(VTools plugin) {
+        this.plugin = plugin;
+        this.server = plugin.getServer();
+    }
+
+    private boolean executeAzure() {
+        return executeAzure(ACTION_STOP_JSON);
+    }
+
+    private boolean executeAzure(String action) {
+        RequestBody requestBody = RequestBody.create(action, MediaType.parse("application/json"));
+        Request request = new Request.Builder()
+                .url(apiUrl)
+                .post(requestBody)
+                .addHeader("Content-Type", "application/json")
+                .build();
+
+        try {
+            Response response = CLIENT.newCall(request).execute();
+            plugin.logger.info("ServerCloser: http request response: {} ({}).", response.body().string(), response.code());
+            return (response.code() >= 200 && response.code() < 300);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return false;
+    }
+
+
+    private void close() {
+        boolean httpSuccess = false;
+        for (int i = 0; i < 3; i++) {
+            httpSuccess = executeAzure();
+            if (httpSuccess) break;
+        }
+        if (!httpSuccess) {
+            TGBridge.error("服务器关机 http 请求失效，服务器可能没有正常关闭。");
+        } else {
+            try {
+                Runtime.getRuntime().exec("pkill pymcd");
+            } catch (IOException ignored) {}
+//            plugin.getServer().shutdown();
+        }
+    }
+
+    private boolean firstInit;
+
+    public void register() {
+        server.getEventManager().register(plugin, this);
+        firstInit = true;
+        update();
+        loadConfig();
+    }
+
+
+    private void loadConfig() {
+        try {
+            File configDir = plugin.dataDirectory.toFile();
+            if (!configDir.exists()) {
+                configDir.mkdir();
+            }
+            File configFile = new File(configDir, "config.yaml");
+            if (!configFile.exists()) {
+                Files.write(Path.of(configFile.toURI()), "chat_id: \"0\"\ntoken: \"\"\n".getBytes(StandardCharsets.UTF_8));
+            }
+            String configStr = Files.readString(Path.of(configFile.toURI()), StandardCharsets.UTF_8);
+            Yaml yaml = new Yaml();
+            Map<String, String> config = yaml.load(configStr);
+            apiUrl = config.getOrDefault("azure_api_url", "https://example.com/");
+        } catch (Exception e) {
+            plugin.logger.error("parsing config", e);
+        }
+    }
+
+    @SuppressWarnings("java:S106")
+    @Subscribe
+    public void onDisconnect(DisconnectEvent event) {
+        update();
+    }
+
+    @Subscribe
+    public void onServerConnected(ServerConnectedEvent event) {
+        update();
+    }
+
+    private void update() {
+        Collection<Player> players = server.getAllPlayers();
+
+        if (!players.isEmpty()) {
+            plugin.logger.info("ServerCloser: 有玩家在线，干掉任何可能的关机计时器。");
+            closeServerTimer.cancel();
+            return;
+        }
+        Timer timer = new Timer();
+        timer.schedule(new TimerTask() {
+            @Override
+            public void run() {
+                if (server.getAllPlayers().isEmpty()) {
+                    plugin.logger.info("ServerCloser: 即将关机。");
+                    close();
+                } else {
+                    plugin.logger.error("ServerCloser: 定时器到点时发现服务器有人。这不应发生，因为定时器本应该被打断。");
+                    TGBridge.error("ServerCloser: #bug @NaAlOH4 定时器到点时发现服务器有人。这不应发生，因为定时器本应该被打断。");
+                }
+                closeServerTimer.cancel();
+            }
+        }, firstInit ? (4 * INACTIVITY_TIMEOUT_MILLISECOND) : INACTIVITY_TIMEOUT_MILLISECOND);
+        plugin.logger.info("ServerCloser: 将在 {} 后自动关机。", firstInit ? "1h" : "15min");
+
+        firstInit = false;
+
+        synchronized (lock) {
+            closeServerTimer.cancel();
+            closeServerTimer = timer;
+        }
+    }
+
+}
diff --git a/src/main/java/de/strifel/VTools/VTools.java b/src/main/java/de/strifel/VTools/VTools.java
index 5b84099..eaf1296 100644
--- a/src/main/java/de/strifel/VTools/VTools.java
+++ b/src/main/java/de/strifel/VTools/VTools.java
@@ -45,6 +45,7 @@ public class VTools {
         new TGBridge(this).register();
         new PlayerStatus(this).register();
         new GlobalChat(this).register();
+        new ServerCloser(this).register();
     }
 
     public ProxyServer getServer() {
diff --git a/src/main/java/de/strifel/VTools/listeners/TGBridge.java b/src/main/java/de/strifel/VTools/listeners/TGBridge.java
index 67bde90..263a9ca 100644
--- a/src/main/java/de/strifel/VTools/listeners/TGBridge.java
+++ b/src/main/java/de/strifel/VTools/listeners/TGBridge.java
@@ -273,6 +273,10 @@ public class TGBridge {
         }, parseMode);
     }
 
+    public static void error(String context) {
+        INSTANCE.outbound("*" + MarkdownString.escapeStr(context) + "*", ParseMode.MarkdownV2);
+    }
+
     protected void outbound(String content) {outbound(content, (ParseMode) null);}