diff --git a/src/entity/commands/dispatcher.ts b/src/entity/commands/dispatcher.ts
index e57fec7..59cdfb4 100644
--- a/src/entity/commands/dispatcher.ts
+++ b/src/entity/commands/dispatcher.ts
@@ -31,6 +31,7 @@ import GeneralKillCommand from "./general/general _kill";
 import GeneralSendCommand from "./general/general _command";
 import GeneralRestartCommand from "./general/general _restart";
 import DockerStartCommand from "./docker/docker _start";
+import DockerResizeCommand from "./docker/docker _resize";
 import GeneralInputCommand from "./general/general _input";
 import TimeCheck from "./task/time";
 import MinecraftBedrockGetPlayersCommand from "../minecraft/mc_getplayer_bedrock";
@@ -66,6 +67,7 @@ export default class FuntionDispatcher extends InstanceCommand {
       instance.setPreset("stop", new GeneralStopCommand());
       instance.setPreset("kill", new GeneralKillCommand());
       instance.setPreset("restart", new GeneralRestartCommand());
+      instance.setPreset("resize", new DockerResizeCommand())
     }
 
     // 根据不同类型设置不同预设功能与作用
diff --git a/src/entity/commands/docker/docker _resize.ts b/src/entity/commands/docker/docker _resize.ts
new file mode 100644
index 0000000..9c98330
--- /dev/null
+++ b/src/entity/commands/docker/docker _resize.ts	
@@ -0,0 +1,51 @@
+/*
+  Copyright (C) 2022 RimuruChan <RealSprite233@outlook.com>
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU Affero General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  According to the AGPL, it is forbidden to delete all copyright notices,
+  and if you modify the source code, you must open source the
+  modified source code.
+
+  版权所有 (C) 2022 RimuruChan <RealSprite233@outlook.com>
+
+  该程序是免费软件，您可以重新分发和/或修改据 GNU Affero 通用公共许可证的条款，
+  由自由软件基金会，许可证的第 3 版，或（由您选择）任何更高版本。
+
+  根据 AGPL 与用户协议，您必须保留所有版权声明，如果修改源代码则必须开源修改后的源代码。
+  可以前往 https://mcsmanager.com/ 阅读用户协议，申请闭源开发授权等。
+*/
+
+import Instance from "../../instance/instance";
+import InstanceCommand from "../base/command";
+import { DockerProcessAdapter } from "./docker _start";
+
+export interface IResizeOptions {
+  h: number,
+  w: number,
+}
+
+export default class DockerResizeCommand extends InstanceCommand {
+  constructor() {
+    super("ResizeTTY");
+  }
+
+  async exec(instance: Instance, size?: IResizeOptions): Promise<any> {
+    // 关服命令需要发送命令，但关服命令执行前会设置状态为关闭中状态。
+    // 所以这里只能通过进程是否存在来执行命令
+    if (!instance.process) {
+      instance.failure(new Error("命令执行失败，因为实例实际进程不存在."));
+    }
+    if (!(instance.process instanceof DockerProcessAdapter)) {
+      instance.failure(new Error("重设TTY大小失败，因为实例不是Docker容器."));
+    }
+    let dockerProcess = <DockerProcessAdapter>instance.process;
+    await dockerProcess.container.resize({
+      h: size.h,
+      w: size.w
+    });
+  }
+}
diff --git a/src/entity/commands/docker/docker _start.ts b/src/entity/commands/docker/docker _start.ts
index ce98aa7..e1c82eb 100644
--- a/src/entity/commands/docker/docker _start.ts	
+++ b/src/entity/commands/docker/docker _start.ts	
@@ -40,12 +40,12 @@ class StartupDockerProcessError extends Error {
 }
 
 // Docker 进程适配器
-class DockerProcessAdapter extends EventEmitter implements IInstanceProcess {
+export class DockerProcessAdapter extends EventEmitter implements IInstanceProcess {
   pid?: number | string;
 
   private stream: NodeJS.ReadWriteStream;
 
-  constructor(private container: Docker.Container) {
+  constructor(public container: Docker.Container) {
     super();
   }
 
diff --git a/src/routers/stream_router.ts b/src/routers/stream_router.ts
index a3e0ae5..e24aa8f 100644
--- a/src/routers/stream_router.ts
+++ b/src/routers/stream_router.ts
@@ -28,6 +28,7 @@ import SendCommand from "../entity/commands/cmd";
 import SendInput from "../entity/commands/input";
 import ProcessInfo from "../entity/commands/process_info";
 import ProcessInfoCommand from "../entity/commands/process_info";
+import { DockerProcessAdapter } from "../entity/commands/docker/docker _start";
 
 // 权限认证中间件
 routerApp.use(async (event, ctx, data, next) => {
@@ -121,3 +122,15 @@ routerApp.on("stream/input", async (ctx, data) => {
     protocol.responseError(ctx, error);
   }
 });
+
+// 处理终端 resize
+routerApp.on("stream/resize", async (ctx, data) => {
+  try {
+    const instanceUuid = ctx.session.stream.instanceUuid;
+    const instance = InstanceSubsystem.getInstance(instanceUuid);
+    if (instance.process instanceof DockerProcessAdapter)
+      await instance.execPreset("resize", data);
+  } catch (error) {
+    protocol.responseError(ctx, error);
+  }
+});