diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/controller/HostTerminalController.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/controller/HostTerminalController.java
index 25e2cc74..80e1dd4f 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/controller/HostTerminalController.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/controller/HostTerminalController.java
@@ -1,7 +1,6 @@
 package com.orion.ops.module.asset.controller;
 
 import com.orion.ops.framework.web.core.annotation.RestWrapper;
-import com.orion.ops.module.asset.entity.vo.HostTerminalAccessVO;
 import com.orion.ops.module.asset.service.HostTerminalService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -36,7 +35,7 @@ public class HostTerminalController {
     @GetMapping("/access")
     @Operation(summary = "获取主机终端 accessToken")
     @PreAuthorize("@ss.hasPermission('asset:host-terminal:access')")
-    public HostTerminalAccessVO getHostTerminalAccessToken() {
+    public String getHostTerminalAccessToken() {
         return hostTerminalService.getHostTerminalAccessToken();
     }
 
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/entity/vo/HostTerminalAccessVO.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/entity/vo/HostTerminalAccessVO.java
deleted file mode 100644
index c27696a0..00000000
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/entity/vo/HostTerminalAccessVO.java
+++ /dev/null
@@ -1,33 +0,0 @@
-package com.orion.ops.module.asset.entity.vo;
-
-import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.AllArgsConstructor;
-import lombok.Builder;
-import lombok.Data;
-import lombok.NoArgsConstructor;
-
-import java.io.Serializable;
-
-/**
- * 主机终端访问 响应对象
- *
- * @author Jiahang Li
- * @version 1.0.0
- * @since 2024/1/4 15:42
- */
-@Data
-@Builder
-@NoArgsConstructor
-@AllArgsConstructor
-@Schema(name = "HostTerminalAccessVO", description = "主机终端访问 响应对象")
-public class HostTerminalAccessVO implements Serializable {
-
-    private static final long serialVersionUID = 1L;
-
-    @Schema(description = "accessToken")
-    private String accessToken;
-
-    @Schema(description = "session 起始量")
-    private String sessionInitial;
-
-}
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/service/HostTerminalService.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/service/HostTerminalService.java
index caa6bc83..2e952a94 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/service/HostTerminalService.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/service/HostTerminalService.java
@@ -4,7 +4,6 @@ import com.orion.net.host.SessionStore;
 import com.orion.ops.module.asset.entity.domain.HostDO;
 import com.orion.ops.module.asset.entity.dto.HostTerminalAccessDTO;
 import com.orion.ops.module.asset.entity.dto.HostTerminalConnectDTO;
-import com.orion.ops.module.asset.entity.vo.HostTerminalAccessVO;
 
 /**
  * 主机终端服务
@@ -18,9 +17,9 @@ public interface HostTerminalService {
     /**
      * 获取主机终端访问 accessToken
      *
-     * @return session
+     * @return accessToken
      */
-    HostTerminalAccessVO getHostTerminalAccessToken();
+    String getHostTerminalAccessToken();
 
     /**
      * 通过 accessToken 获取主机终端访问信息
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/service/impl/HostTerminalServiceImpl.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/service/impl/HostTerminalServiceImpl.java
index 2bdc9210..37c8f6c1 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/service/impl/HostTerminalServiceImpl.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/service/impl/HostTerminalServiceImpl.java
@@ -22,7 +22,6 @@ import com.orion.ops.module.asset.entity.domain.HostIdentityDO;
 import com.orion.ops.module.asset.entity.domain.HostKeyDO;
 import com.orion.ops.module.asset.entity.dto.HostTerminalAccessDTO;
 import com.orion.ops.module.asset.entity.dto.HostTerminalConnectDTO;
-import com.orion.ops.module.asset.entity.vo.HostTerminalAccessVO;
 import com.orion.ops.module.asset.enums.HostConfigTypeEnum;
 import com.orion.ops.module.asset.enums.HostExtraItemEnum;
 import com.orion.ops.module.asset.enums.HostExtraSshAuthTypeEnum;
@@ -83,7 +82,7 @@ public class HostTerminalServiceImpl implements HostTerminalService {
     private SystemUserApi systemUserApi;
 
     @Override
-    public HostTerminalAccessVO getHostTerminalAccessToken() {
+    public String getHostTerminalAccessToken() {
         LoginUser user = SecurityUtils.getLoginUser();
         log.info("HostConnectService.getHostAccessToken userId: {}", user.getId());
         String accessToken = UUIds.random19();
@@ -94,11 +93,7 @@ public class HostTerminalServiceImpl implements HostTerminalService {
         // 设置 access 缓存
         String key = HostTerminalCacheKeyDefine.HOST_TERMINAL_ACCESS.format(accessToken);
         RedisStrings.setJson(key, HostTerminalCacheKeyDefine.HOST_TERMINAL_ACCESS, access);
-        return HostTerminalAccessVO.builder()
-                .accessToken(accessToken)
-                // 32 进制的 uuid 作为起始量
-                .sessionInitial(Long.toString(UUIds.random15Long(), 32))
-                .build();
+        return accessToken;
     }
 
     @Override
diff --git a/orion-ops-ui/src/api/asset/host-terminal.ts b/orion-ops-ui/src/api/asset/host-terminal.ts
index f5898ca1..e3b93c56 100644
--- a/orion-ops-ui/src/api/asset/host-terminal.ts
+++ b/orion-ops-ui/src/api/asset/host-terminal.ts
@@ -1,16 +1,8 @@
 import axios from 'axios';
 
-/**
- * 主机终端访问响应
- */
-export interface HostTerminalAccessResponse {
-  accessToken: string;
-  sessionInitial: string;
-}
-
 /**
  * 获取主机终端 accessToken
  */
 export function getHostTerminalAccessToken() {
-  return axios.get<HostTerminalAccessResponse>('/asset/host-terminal/access');
+  return axios.get<string>('/asset/host-terminal/access');
 }
diff --git a/orion-ops-ui/src/store/modules/terminal/index.ts b/orion-ops-ui/src/store/modules/terminal/index.ts
index 9acada97..78f3f32b 100644
--- a/orion-ops-ui/src/store/modules/terminal/index.ts
+++ b/orion-ops-ui/src/store/modules/terminal/index.ts
@@ -4,8 +4,8 @@ import { getPreference, updatePreference } from '@/api/user/preference';
 import { Message } from '@arco-design/web-vue';
 import { useDark } from '@vueuse/core';
 import { DEFAULT_SCHEMA } from '@/views/host/terminal/types/terminal.theme';
-import TerminalDispatcher from '@/views/host/terminal/handler/terminal-dispatcher';
 import TerminalTabManager from '@/views/host/terminal/handler/terminal-tab-manager';
+import TerminalSessionManager from '@/views/host/terminal/handler/terminal-session-manager';
 
 // 暗色主题
 export const DarkTheme = {
@@ -30,8 +30,8 @@ export default defineStore('terminal', {
       displaySetting: {} as TerminalDisplaySetting,
       themeSchema: {} as TerminalThemeSchema
     },
-    tabs: new TerminalTabManager(),
-    dispatcher: new TerminalDispatcher()
+    tabManager: new TerminalTabManager(),
+    sessionManager: new TerminalSessionManager()
   }),
 
   actions: {
diff --git a/orion-ops-ui/src/store/modules/terminal/types.ts b/orion-ops-ui/src/store/modules/terminal/types.ts
index 83016e58..5ce222b4 100644
--- a/orion-ops-ui/src/store/modules/terminal/types.ts
+++ b/orion-ops-ui/src/store/modules/terminal/types.ts
@@ -1,11 +1,11 @@
 import type { Ref } from 'vue';
-import { Terminal } from 'xterm';
+import type { ITerminalTabManager, ITerminalSessionManager } from '@/views/host/terminal/types/terminal.type';
 
 export interface TerminalState {
   isDarkTheme: Ref<boolean>;
   preference: TerminalPreference;
-  tabs: ITerminalTabManager;
-  dispatcher: ITerminalDispatcher;
+  tabManager: ITerminalTabManager;
+  sessionManager: ITerminalSessionManager;
 }
 
 // 终端配置
@@ -58,59 +58,3 @@ export interface TerminalThemeSchema {
   [key: string]: unknown;
 }
 
-// 终端 tab 元素
-export interface TerminalTabItem {
-  key: string;
-  title: string;
-  type: string;
-
-  [key: string]: unknown;
-}
-
-// 终端 tab 管理器定义
-export interface ITerminalTabManager {
-  // 当前 tab
-  active: string;
-  // 全部 tab
-  items: Array<TerminalTabItem>;
-
-  // 点击 tab
-  clickTab: (key: string) => void;
-  // 删除 tab
-  deleteTab: (key: string) => void;
-  // 打开 tab
-  openTab: (tab: TerminalTabItem) => void;
-  // 清空
-  clear: () => void;
-}
-
-// 终端调度器
-export interface ITerminalDispatcher {
-  // 打开终端
-  openTerminal: (record: any) => void;
-  // 注册终端处理器
-  registerTerminalHandler: (tab: TerminalTabItem, handler: ITerminalHandler) => void;
-  // 发送消息
-  onMessage: (session: string, value: string) => void;
-
-  // 重置
-  reset: () => void;
-}
-
-// 终端处理器
-export interface ITerminalHandler {
-  inst: Terminal;
-  connected: boolean;
-
-  // 连接
-  connect: () => void;
-  // 设置是否可写
-  setCanWrite: (canWrite: boolean) => void;
-  // 写入数据
-  write: (value: string) => void;
-  // 自适应
-  fit: () => void;
-
-  // 关闭
-  close: () => void;
-}
diff --git a/orion-ops-ui/src/views/host/terminal/components/layout/terminal-content.vue b/orion-ops-ui/src/views/host/terminal/components/layout/terminal-content.vue
index ae6f4dfe..042fafc3 100644
--- a/orion-ops-ui/src/views/host/terminal/components/layout/terminal-content.vue
+++ b/orion-ops-ui/src/views/host/terminal/components/layout/terminal-content.vue
@@ -1,8 +1,8 @@
 <template>
   <div class="terminal-content">
     <!-- 内容 tabs -->
-    <a-tabs v-model:active-key="tabs.active">
-      <a-tab-pane v-for="tab in tabs.items"
+    <a-tabs v-model:active-key="tabManager.active">
+      <a-tab-pane v-for="tab in tabManager.items"
                   :key="tab.key"
                   :title="tab.title">
         <!-- 设置 -->
@@ -34,7 +34,7 @@
   import NewConnectionView from '../new-connection/new-connection-view.vue';
   import TerminalView from '../xterm/terminal-view.vue';
 
-  const { tabs } = useTerminalStore();
+  const { tabManager } = useTerminalStore();
 
 </script>
 
diff --git a/orion-ops-ui/src/views/host/terminal/components/layout/terminal-header.vue b/orion-ops-ui/src/views/host/terminal/components/layout/terminal-header.vue
index 6346e97c..3208ba0f 100644
--- a/orion-ops-ui/src/views/host/terminal/components/layout/terminal-header.vue
+++ b/orion-ops-ui/src/views/host/terminal/components/layout/terminal-header.vue
@@ -1,6 +1,7 @@
 <template>
   <div class="terminal-header">
     <!-- 左侧 logo -->
+    <!-- FIXME -->
     <div class="terminal-header-left">
       <img alt="logo"
            class="terminal-header-logo-img"
@@ -10,13 +11,13 @@
     </div>
     <!-- 左侧 tabs -->
     <div class="terminal-header-tabs">
-      <a-tabs v-model:active-key="tabs.active"
+      <a-tabs v-model:active-key="tabManager.active"
               :editable="true"
               :hide-content="true"
               :auto-switch="true"
-              @tab-click="k => tabs.clickTab(k as string)"
-              @delete="k => tabs.deleteTab(k as string)">
-        <a-tab-pane v-for="tab in tabs.items"
+              @tab-click="k => tabManager.clickTab(k as string)"
+              @delete="k => tabManager.deleteTab(k as string)">
+        <a-tab-pane v-for="tab in tabManager.items"
                     :key="tab.key"
                     :title="tab.title" />
       </a-tabs>
@@ -46,7 +47,7 @@
   import IconActions from '../layout/icon-actions.vue';
 
   const { isFullscreen, toggle: toggleFullScreen } = useFullscreen();
-  const { tabs } = useTerminalStore();
+  const { tabManager } = useTerminalStore();
 
   // 顶部操作
   const actions = computed<Array<SidebarAction>>(() => [
diff --git a/orion-ops-ui/src/views/host/terminal/components/layout/terminal-left-sidebar.vue b/orion-ops-ui/src/views/host/terminal/components/layout/terminal-left-sidebar.vue
index d758dfbe..6d616b57 100644
--- a/orion-ops-ui/src/views/host/terminal/components/layout/terminal-left-sidebar.vue
+++ b/orion-ops-ui/src/views/host/terminal/components/layout/terminal-left-sidebar.vue
@@ -23,14 +23,14 @@
   import { useTerminalStore } from '@/store';
   import IconActions from './icon-actions.vue';
 
-  const { tabs } = useTerminalStore();
+  const { tabManager } = useTerminalStore();
 
   // 顶部操作
   const topActions: Array<SidebarAction> = [
     {
       icon: 'icon-plus',
       content: '新建连接',
-      click: () => tabs.openTab(InnerTabs.NEW_CONNECTION)
+      click: () => tabManager.openTab(InnerTabs.NEW_CONNECTION)
     },
   ];
 
@@ -39,12 +39,12 @@
     {
       icon: 'icon-command',
       content: '快捷键设置',
-      click: () => tabs.openTab(InnerTabs.SHORTCUT_SETTING)
+      click: () => tabManager.openTab(InnerTabs.SHORTCUT_SETTING)
     },
     {
       icon: 'icon-palette',
       content: '外观设置',
-      click: () => tabs.openTab(InnerTabs.VIEW_SETTING)
+      click: () => tabManager.openTab(InnerTabs.VIEW_SETTING)
     },
   ];
 
diff --git a/orion-ops-ui/src/views/host/terminal/components/new-connection/host-list-view.vue b/orion-ops-ui/src/views/host/terminal/components/new-connection/host-list-view.vue
index 53af852f..ef9ccae5 100644
--- a/orion-ops-ui/src/views/host/terminal/components/new-connection/host-list-view.vue
+++ b/orion-ops-ui/src/views/host/terminal/components/new-connection/host-list-view.vue
@@ -176,7 +176,7 @@
     emptyValue: string
   }>();
 
-  const { tabs } = useTerminalStore();
+  const { tabManager } = useTerminalStore();
   const { toggle: toggleFavorite, loading: favoriteLoading } = useFavorite('HOST');
 
   const aliasNameInput = ref();
@@ -215,7 +215,7 @@
 
   // 打开终端
   const openTerminal = (record: HostQueryResponse) => {
-    tabs.openTab({
+    tabManager.openTab({
       type: TabType.TERMINAL,
       key: nextSessionId(),
       title: record.alias || (`${record.name} ${record.address}`),
diff --git a/orion-ops-ui/src/views/host/terminal/components/xterm/terminal-view.vue b/orion-ops-ui/src/views/host/terminal/components/xterm/terminal-view.vue
index 9024e704..1a9ff140 100644
--- a/orion-ops-ui/src/views/host/terminal/components/xterm/terminal-view.vue
+++ b/orion-ops-ui/src/views/host/terminal/components/xterm/terminal-view.vue
@@ -18,35 +18,27 @@
 </script>
 
 <script lang="ts" setup>
-  import type { TerminalTabItem } from '@/store/modules/terminal/types';
+  import type { TerminalTabItem } from '../../types/terminal.type';
   import { onMounted, onUnmounted, ref } from 'vue';
   import { useTerminalStore } from '@/store';
-  import TerminalHandler from '@/views/host/terminal/handler/TerminalHandler';
-  import { sleep } from '@/utils';
 
   const props = defineProps<{
     tab: TerminalTabItem
   }>();
 
-  const { preference, dispatcher } = useTerminalStore();
+  const { sessionManager } = useTerminalStore();
 
   const terminalRef = ref();
 
-  // 初始化
-  const init = async () => {
+  // 初始化回话
+  onMounted(async () => {
     // 创建终端处理器
-    const handler = new TerminalHandler(props.tab.key, terminalRef.value);
-    // 等待前端渲染完成
-    await sleep(100);
-    // 注册处理器
-    dispatcher.registerTerminalHandler(props.tab, handler);
-  };
-
-  onMounted(init);
+    sessionManager.openSession(props.tab, terminalRef.value);
+  });
 
+  // 关闭回话
   onUnmounted(() => {
-    // 发送关闭
-    console.log('12312312');
+    sessionManager.closeSession(props.tab.key);
   });
 
 </script>
diff --git a/orion-ops-ui/src/views/host/terminal/handler/TerminalHandler.ts b/orion-ops-ui/src/views/host/terminal/handler/TerminalHandler.ts
deleted file mode 100644
index 8013795e..00000000
--- a/orion-ops-ui/src/views/host/terminal/handler/TerminalHandler.ts
+++ /dev/null
@@ -1,96 +0,0 @@
-import { ITerminalHandler } from '@/store/modules/terminal/types';
-import { useTerminalStore } from '@/store';
-import { fontFamilySuffix } from '@/views/host/terminal/types/terminal.const';
-import { ITerminalAddon, Terminal } from 'xterm';
-import { FitAddon } from 'xterm-addon-fit';
-import { WebglAddon } from 'xterm-addon-webgl';
-
-/**
- * 终端处理器
- */
-export default class TerminalHandler implements ITerminalHandler {
-
-  public connected: boolean = false;
-
-  private canWrite: boolean = false;
-
-  private readonly session: string;
-
-  public inst: Terminal;
-
-  private fitAddon?: FitAddon;
-
-  private addons: ITerminalAddon[] = [];
-
-  constructor(session: string, dom: HTMLElement) {
-    this.session = session;
-    const { preference } = useTerminalStore();
-    // 初始化实例
-    this.inst = new Terminal({
-      ...(preference.displaySetting as any),
-      theme: preference.themeSchema,
-      fastScrollModifier: 'shift',
-      fontFamily: preference.displaySetting.fontFamily + fontFamilySuffix,
-    });
-    this.init(dom);
-  }
-
-  // 初始化
-  init(dom: HTMLElement): void {
-    // 注册插件
-    this.addons.push(
-      this.fitAddon = new FitAddon(),
-      new WebglAddon()
-    );
-    const inst = this.inst;
-    this.addons.forEach(s => inst.loadAddon(s));
-    // 打开终端
-    this.inst.open(dom);
-    // 自适应
-    this.fitAddon.fit();
-  }
-
-  // 设置已连接
-  connect(): void {
-    this.connected = true;
-    // 注册输入事件
-    this.inst.onData(s => {
-      if (!this.canWrite) {
-        return;
-      }
-      // 输入
-      useTerminalStore().dispatcher.onMessage(this.session, s);
-    });
-    // 注册 resize 事件
-    this.inst.onResize(({ cols, rows }) => {
-      // 输入
-    });
-  }
-
-  // 设置是否可写
-  setCanWrite(canWrite: boolean): void {
-    this.canWrite = canWrite;
-  }
-
-  // 写入数据
-  write(value: string): void {
-    this.inst.write(value);
-  }
-
-  // 自适应
-  fit(): void {
-    this.fitAddon?.fit();
-  }
-
-  // 关闭
-  close(): void {
-    try {
-      for (let addon of this.addons) {
-        addon.dispose();
-      }
-      this.inst.dispose();
-    } catch (e) {
-    }
-  }
-
-}
diff --git a/orion-ops-ui/src/views/host/terminal/handler/terminal-channel.ts b/orion-ops-ui/src/views/host/terminal/handler/terminal-channel.ts
index 9f6be375..bcd3fb0e 100644
--- a/orion-ops-ui/src/views/host/terminal/handler/terminal-channel.ts
+++ b/orion-ops-ui/src/views/host/terminal/handler/terminal-channel.ts
@@ -1,28 +1,68 @@
-import { OutputProtocol } from '@/views/host/terminal/types/terminal.protocol';
-import type { InputPayload, ITerminalChannel, ITerminalOutputProcessor, OutputPayload, Protocol, } from '@/views/host/terminal/types/terminal.type';
-
+import type {
+  InputPayload,
+  ITerminalChannel,
+  ITerminalOutputProcessor,
+  OutputPayload,
+  Protocol,
+} from '../types/terminal.type';
+import { OutputProtocol } from '../types/terminal.protocol';
+import { getHostTerminalAccessToken } from '@/api/asset/host-terminal';
+import { Message } from '@arco-design/web-vue';
+import { sleep } from '@/utils';
 
 export const wsBase = import.meta.env.VITE_WS_BASE_URL;
 
 // 终端通信处理器 实现
 export default class TerminalChannel implements ITerminalChannel {
 
+  private client?: WebSocket;
+
   private readonly processor;
 
   constructor(processor: ITerminalOutputProcessor) {
     this.processor = processor;
   }
 
-  send(protocol: Protocol, payload: InputPayload): void {
-
-  }
-
   // 初始化
   async init() {
+    // 获取 access
+    const { data: accessToken } = await getHostTerminalAccessToken();
+    // 打开会话
+    this.client = new WebSocket(`${wsBase}/host/terminal/${accessToken}`);
+    this.client.onerror = event => {
+      Message.error('无法连接至服务器');
+      console.error('error', event);
+    };
+    this.client.onclose = event => {
+      console.warn('close', event);
+    };
+    this.client.onmessage = this.handlerMessage.bind(this);
+    // 等待会话连接
+    for (let i = 0; i < 100; i++) {
+      await sleep(50);
+      if (this.client.readyState !== WebSocket.CONNECTING) {
+        break;
+      }
+    }
+  }
+
+  // 是否已连接
+  isConnected(): boolean {
+    return !!this.client && this.client.readyState === WebSocket.OPEN;
+  }
+
+  // 发送消息
+  send(protocol: Protocol, payload: InputPayload): void {
+    // 检查是否连接
+    if (!this.isConnected()) {
+      return;
+    }
+    // 发送命令
+    this.client?.send(format(protocol, payload));
   }
 
   // 处理消息
-  handlerMessage({ data }: MessageEvent) {
+  private handlerMessage({ data }: MessageEvent) {
     // 解析消息
     const payload = parse(data as string);
     if (!payload) {
@@ -32,31 +72,38 @@ export default class TerminalChannel implements ITerminalChannel {
     switch (payload.type) {
       case OutputProtocol.CHECK.type:
         // 检查 回调
-        this.processor.processCheck(payload);
+        this.processor.processCheck.call(this.processor, payload);
         break;
       case OutputProtocol.CONNECT.type:
         // 连接 回调
-        this.processor.processConnect(payload);
+        this.processor.processConnect.call(this.processor, payload);
         break;
       case OutputProtocol.PONG.type:
         // pong 回调
-        this.processor.processPong(payload);
+        this.processor.processPong.call(this.processor, payload);
         break;
       case OutputProtocol.OUTPUT.type:
         // 输出 回调
-        this.processor.processOutput(payload);
+        this.processor.processOutput.call(this.processor, payload);
         break;
       default:
         break;
     }
   }
 
+  // 关闭
   close(): void {
+    // 关闭 client
+    if (this.client) {
+      if (this.client.readyState === WebSocket.OPEN) {
+        this.client.close();
+      }
+      this.client = undefined;
+    }
   }
 
 }
 
-
 // 分隔符
 export const SEPARATOR = '|';
 
diff --git a/orion-ops-ui/src/views/host/terminal/handler/terminal-dispatcher.ts b/orion-ops-ui/src/views/host/terminal/handler/terminal-dispatcher.ts
deleted file mode 100644
index 5430f389..00000000
--- a/orion-ops-ui/src/views/host/terminal/handler/terminal-dispatcher.ts
+++ /dev/null
@@ -1,197 +0,0 @@
-import type { ITerminalDispatcher, ITerminalHandler, TerminalTabItem } from '@/store/modules/terminal/types';
-import type { HostQueryResponse } from '@/api/asset/host';
-import type { HostTerminalAccessResponse } from '@/api/asset/host-terminal';
-import { getHostTerminalAccessToken } from '@/api/asset/host-terminal';
-import { TabType } from '@/views/host/terminal/types/terminal.const';
-import { Message } from '@arco-design/web-vue';
-import { sleep } from '@/utils';
-import { format, InputProtocol, OutputProtocol, parse, Payload } from '../types/terminal.protocol';
-import { useDebounceFn } from '@vueuse/core';
-import { addEventListen, removeEventListen } from '@/utils/event';
-import { useTerminalStore } from '@/store';
-
-export const wsBase = import.meta.env.VITE_WS_BASE_URL;
-
-// 拆分两套逻辑 1. tab处理, 2. terminal处理
-// 太多需要优化的地方了
-// 拆成 event
-
-/**
- * 终端调度器
- */
-export default class TerminalDispatcher implements ITerminalDispatcher {
-
-  private access?: HostTerminalAccessResponse;
-
-  private client?: WebSocket;
-
-  private handlers: Record<string, ITerminalHandler>;
-
-  private pingTask?: any;
-
-  private readonly dispatchResizeFn: () => {};
-
-  constructor() {
-    this.handlers = {};
-    this.dispatchResizeFn = useDebounceFn(this.dispatchResize).bind(this);
-  }
-
-
-  // 初始化客户端
-  async initClient() {
-    if (this.client) {
-      return;
-    }
-    // 获取 access
-    const { data: accessData } = await getHostTerminalAccessToken();
-    this.access = accessData;
-    // 打开会话
-    this.client = new WebSocket(`${wsBase}/host/terminal/${accessData.accessToken}`);
-    this.client.onerror = event => {
-      Message.error('无法连接至服务器');
-      console.error('error', event);
-    };
-    this.client.onclose = event => {
-      console.warn('close', event);
-    };
-    this.client.onmessage = this.handlerMessage.bind(this);
-    // 注册 ping 事件
-    this.pingTask = setInterval(() => {
-      this.client?.send(format(InputProtocol.PING, {} as Payload));
-    }, 150000);
-    // 注册 resize 事件
-    addEventListen(window, 'resize', this.dispatchResizeFn);
-    // 等待会话连接成功
-    for (let i = 0; i < 100; i++) {
-      await sleep(50);
-      if (this.client.readyState !== WebSocket.CONNECTING) {
-        break;
-      }
-    }
-  }
-
-  // 处理消息
-  handlerMessage({ data }: MessageEvent) {
-    const payload = parse(data as string);
-    if (!payload) {
-      return;
-    }
-    // 选取会话
-    switch (payload.type) {
-      case OutputProtocol.CHECK.type:
-        // 检查信息回调
-        this.onTerminalCheckCallback(payload.session, payload.result, payload.errorMessage);
-        break;
-      case OutputProtocol.CONNECT.type:
-        // 连接信息回调
-        this.onTerminalConnectCallback(payload.session, payload.result, payload.errorMessage);
-        break;
-      case OutputProtocol.OUTPUT.type:
-        // 输出
-        this.onTerminalOutputCallback(payload.session, payload.body);
-        break;
-      default:
-        break;
-    }
-  }
-
-  // 打开终端
-  async openTerminal(record: HostQueryResponse) {
-    // 初始化客户端
-    await this.initClient();
-    // uncheck
-    if (!this.access) {
-      return;
-    }
-    const session = this.access.sessionInitial = (parseInt(this.access.sessionInitial as string, 32) + 1).toString(32);
-    // 打开会话
-    useTerminalStore().tabs.openTab({
-      type: TabType.TERMINAL,
-      key: session,
-      title: record.alias || (`${record.name} ${record.address}`),
-      hostId: record.id,
-      address: record.address
-    });
-  }
-
-  // 注册终端处理器
-  registerTerminalHandler(tab: TerminalTabItem, handler: ITerminalHandler) {
-    this.handlers[tab.key] = handler;
-    // 发送 check 命令
-    this.client?.send(format(InputProtocol.CHECK, { session: tab.key, hostId: tab.hostId }));
-  }
-
-  // 调度重置大小
-  dispatchResize() {
-    Object.values(this.handlers)
-      .filter(h => h.connected)
-      .forEach(h => h.fit());
-  }
-
-  // 终端检查回调
-  onTerminalCheckCallback(session: string, result: string, errormessage: string) {
-    const success = !!parseInt(result);
-    const handler = this.handlers[session];
-    // 未成功展示错误信息
-    if (!success) {
-      handler.write('' + errormessage + '');
-      return;
-    }
-    // 发送 connect 命令
-    this.client?.send(format(InputProtocol.CONNECT, { session, cols: handler.inst.cols, rows: handler.inst.rows }));
-  }
-
-  // 终端连接回调
-  onTerminalConnectCallback(session: string, result: string, errormessage: string) {
-    const success = !!parseInt(result);
-    const handler = this.handlers[session];
-    // 未成功展示错误信息
-    if (!success) {
-      handler.write('' + errormessage + '');
-      return;
-    }
-    // 设置可写
-    handler.setCanWrite(true);
-    handler.connect();
-  }
-
-  // 发送消息
-  onMessage(session: string, value: string): void {
-    // 发送命令
-    this.client?.send(format(InputProtocol.INPUT, { session, command: value }));
-  }
-
-  // 终端输出回调
-  onTerminalOutputCallback(session: string, body: string) {
-    this.handlers[session].write(body);
-  }
-
-  // 关闭终端
-  closeTerminal(session: string) {
-    // 发送关闭消息
-    this.client?.send(format(InputProtocol.CLOSE, { session }));
-    // 关闭终端
-    this.handlers[session].close();
-  }
-
-  // 重置
-  reset(): void {
-    this.access = undefined;
-    this.handlers = {};
-    // 关闭 client
-    if (this.client) {
-      if (this.client.readyState === WebSocket.CONNECTING) {
-        this.client.close();
-      }
-      this.client = undefined;
-    }
-    // 清除 ping 事件
-    if (this.pingTask) {
-      clearInterval(this.pingTask);
-      this.pingTask = undefined;
-    }
-    // 移除 resize 事件
-    removeEventListen(window, 'resize', this.dispatchResizeFn);
-  }
-
-}
diff --git a/orion-ops-ui/src/views/host/terminal/handler/terminal-output-processor.ts b/orion-ops-ui/src/views/host/terminal/handler/terminal-output-processor.ts
deleted file mode 100644
index c096b05d..00000000
--- a/orion-ops-ui/src/views/host/terminal/handler/terminal-output-processor.ts
+++ /dev/null
@@ -1,49 +0,0 @@
-import { ITerminalChannel, ITerminalOutputProcessor, OutputPayload, } from '@/views/host/terminal/types/terminal.type';
-import TerminalChannel from '@/views/host/terminal/handler/terminal-channel';
-
-// 终端调度器实现
-export default class TerminalOutputProcessor implements ITerminalOutputProcessor {
-
-  private readonly channel: ITerminalChannel;
-
-  constructor() {
-    this.channel = new TerminalChannel(this);
-  }
-
-  // 处理检查消息
-  processCheck(payload: OutputPayload): void {
-    // const success = !!Number.parseInt(payload.result);
-    // const handler = this.handlers[session];
-    // // 未成功展示错误信息
-    // if (!success) {
-    //   handler.write('' + errormessage + '');
-    //   return;
-    // }
-    // // 发送 connect 命令
-    // this.channel.send(InputProtocol.CONNECT, { session, cols: handler.inst.cols, rows: handler.inst.rows });
-  }
-
-  // 处理连接消息
-  processConnect(payload: OutputPayload): void {
-    const success = !!Number.parseInt(payload.result);
-    // const handler = this.handlers[session];
-    // // 未成功展示错误信息
-    // if (!success) {
-    //   handler.write('' + errormessage + '');
-    //   return;
-    // }
-    // // 设置可写
-    // handler.setCanWrite(true);
-    // handler.connect();
-  }
-
-  // 处理 pong 消息
-  processPong(payload: OutputPayload): void {
-  }
-
-  // 处理输出消息
-  processOutput(payload: OutputPayload): void {
-    // this.handlers[session].write(body);
-  }
-
-}
diff --git a/orion-ops-ui/src/views/host/terminal/handler/terminal-session-manager.ts b/orion-ops-ui/src/views/host/terminal/handler/terminal-session-manager.ts
index 9b9cdc9f..d9a7180d 100644
--- a/orion-ops-ui/src/views/host/terminal/handler/terminal-session-manager.ts
+++ b/orion-ops-ui/src/views/host/terminal/handler/terminal-session-manager.ts
@@ -1,40 +1,45 @@
-import type { ITerminalChannel, ITerminalSession } from '../types/terminal.type';
-import type { TerminalTabItem } from '@/store/modules/terminal/types';
+import type {
+  ITerminalChannel,
+  ITerminalSession,
+  ITerminalSessionManager,
+  ITerminalOutputProcessor,
+  OutputPayload,
+  TerminalTabItem
+} from '../types/terminal.type';
 import { sleep } from '@/utils';
+import { InputProtocol } from '../types/terminal.protocol';
 import TerminalSession from './terminal-session';
-
-// 终端会话管理器定义
-export interface ITerminalSessionManager {
-  // 打开终端
-  openSession: (tab: TerminalTabItem, dom: HTMLElement) => void;
-  // 获取终端会话
-  getSession: (sessionId: string) => ITerminalSession;
-  // 重置
-  reset: () => void;
-}
-
-// FIXME 去除 TOKEN 起始量
+import { useDebounceFn } from '@vueuse/core';
+import TerminalChannel from '@/views/host/terminal/handler/terminal-channel';
+import { addEventListen, removeEventListen } from '@/utils/event';
 
 // 终端会话管理器实现
-export default class TerminalSessionManager implements ITerminalSessionManager {
+export default class TerminalSessionManager implements ITerminalSessionManager, ITerminalOutputProcessor {
 
   private readonly channel: ITerminalChannel;
 
   private sessions: Record<string, ITerminalSession>;
 
-  constructor(channel: ITerminalChannel) {
-    this.channel = channel;
+  private keepAliveTask?: any;
+
+  private readonly dispatchResizeFn: () => {};
+
+  constructor() {
+    this.channel = new TerminalChannel(this);
     this.sessions = {};
+    this.dispatchResizeFn = useDebounceFn(this.dispatchResize).bind(this);
   }
 
   // 打开终端会话
   async openSession(tab: TerminalTabItem, dom: HTMLElement) {
+    const sessionId = tab.key;
+    const hostId = tab.hostId as number;
     // 初始化客户端
-    await this.channel.init();
+    await this.initChannel();
     // 新建会话
     const session = new TerminalSession(
-      tab.hostId as number,
-      tab.key,
+      hostId,
+      sessionId,
       this.channel
     );
     // 初始化
@@ -42,7 +47,28 @@ export default class TerminalSessionManager implements ITerminalSessionManager {
     // 等待前端渲染完成
     await sleep(100);
     // 添加会话
-    this.sessions[tab.key] = session;
+    this.sessions[sessionId] = session;
+    // 发送会话初始化请求
+    this.channel.send(InputProtocol.CHECK, {
+      session: sessionId,
+      hostId: hostId
+    });
+  }
+
+  // 初始化 channel
+  private async initChannel() {
+    // 检查 channel 是否已经初始化
+    if (this.channel.isConnected()) {
+      return;
+    }
+    // 初始化 channel
+    await this.channel.init();
+    // 注册 resize 事件
+    addEventListen(window, 'resize', this.dispatchResizeFn);
+    // 注册 ping 事件
+    this.keepAliveTask = setInterval(() => {
+      this.channel.send(InputProtocol.PING, {});
+    }, 15000);
   }
 
   // 获取终端会话
@@ -50,9 +76,82 @@ export default class TerminalSessionManager implements ITerminalSessionManager {
     return this.sessions[sessionId];
   }
 
+  // 关闭终端会话
+  closeSession(sessionId: string): void {
+    // 发送关闭消息
+    this.channel?.send(InputProtocol.CLOSE, { session: sessionId });
+    // 关闭 session
+    const session = this.sessions[sessionId];
+    if (session) {
+      session.close();
+    }
+    // 移除 session
+    this.sessions[sessionId] = undefined as unknown as ITerminalSession;
+    // session 全部关闭后 关闭 channel
+    if (Object.values(this.sessions).filter(Boolean).every(s => !s?.connected)) {
+      this.reset();
+    }
+  }
+
+  // 调度重置大小
+  private dispatchResize() {
+    // 对所有已连接的会话重置大小
+    Object.values(this.sessions)
+      .filter(h => h.connected)
+      .forEach(h => h.fit());
+  }
+
+  // 处理检查消息
+  processCheck({ session: sessionId, result, errorMessage }: OutputPayload): void {
+    const success = !!Number.parseInt(result);
+    const session = this.sessions[sessionId];
+    // 未成功展示错误信息
+    if (!success) {
+      session.write('' + errorMessage + '');
+      return;
+    }
+    // 发送 connect 命令
+    this.channel.send(InputProtocol.CONNECT, { session: sessionId, cols: session.inst.cols, rows: session.inst.rows });
+  }
+
+  // 处理连接消息
+  processConnect({ session: sessionId, result, errorMessage }: OutputPayload): void {
+    const success = !!Number.parseInt(result);
+    const session = this.sessions[sessionId];
+    // 未成功展示错误信息
+    if (!success) {
+      session.write('' + errorMessage + '');
+      return;
+    }
+    // 设置可写
+    session.setCanWrite(true);
+    // 执行连接逻辑
+    session.connect();
+  }
+
+  // 处理 pong 消息
+  processPong(payload: OutputPayload): void {
+    console.log('pong');
+  }
+
+  // 处理输出消息
+  processOutput({ session: sessionId, body }: OutputPayload): void {
+    const session = this.sessions[sessionId];
+    session && session.write(body);
+  }
+
   // 重置
   reset(): void {
     this.sessions = {};
+    // 关闭 channel
+    this.channel.close();
+    // 清除 ping 事件
+    if (this.keepAliveTask) {
+      clearInterval(this.keepAliveTask);
+      this.keepAliveTask = undefined;
+    }
+    // 移除 resize 事件
+    removeEventListen(window, 'resize', this.dispatchResizeFn);
   }
 
 }
diff --git a/orion-ops-ui/src/views/host/terminal/handler/terminal-session.ts b/orion-ops-ui/src/views/host/terminal/handler/terminal-session.ts
index c187d4ce..741a2ba3 100644
--- a/orion-ops-ui/src/views/host/terminal/handler/terminal-session.ts
+++ b/orion-ops-ui/src/views/host/terminal/handler/terminal-session.ts
@@ -1,7 +1,7 @@
 import type { ITerminalChannel, ITerminalSession } from '../types/terminal.type';
 import { useTerminalStore } from '@/store';
-import { fontFamilySuffix } from '@/views/host/terminal/types/terminal.const';
-import { InputProtocol } from '@/views/host/terminal/types/terminal.protocol';
+import { fontFamilySuffix } from '../types/terminal.const';
+import { InputProtocol } from '../types/terminal.protocol';
 import { Terminal } from 'xterm';
 import { FitAddon } from 'xterm-addon-fit';
 import { WebglAddon } from 'xterm-addon-webgl';
@@ -54,14 +54,13 @@ export default class TerminalSession implements ITerminalSession {
     // 注册插件
     this.addons.fit = new FitAddon();
     this.addons.webgl = new WebglAddon();
-    // TODO check
-    const inst = this.inst;
-    Object.values(this.addons).forEach(s => inst.loadAddon(s));
+    for (const addon of Object.values(this.addons)) {
+      this.inst.loadAddon(addon);
+    }
     // 打开终端
     this.inst.open(dom);
     // 自适应
     this.addons.fit.fit();
-    // TODO sendCheck
   }
 
   // 设置已连接
diff --git a/orion-ops-ui/src/views/host/terminal/handler/terminal-tab-manager.ts b/orion-ops-ui/src/views/host/terminal/handler/terminal-tab-manager.ts
index 19f8a98b..c8e03ec4 100644
--- a/orion-ops-ui/src/views/host/terminal/handler/terminal-tab-manager.ts
+++ b/orion-ops-ui/src/views/host/terminal/handler/terminal-tab-manager.ts
@@ -1,5 +1,5 @@
-import type { ITerminalTabManager, TerminalTabItem } from '@/store/modules/terminal/types';
-import { InnerTabs } from '@/views/host/terminal/types/terminal.const';
+import type { ITerminalTabManager, TerminalTabItem } from '../types/terminal.type';
+import { InnerTabs } from '../types/terminal.const';
 
 // 终端 tab 管理器实现
 export default class TerminalTabManager implements ITerminalTabManager {
@@ -28,7 +28,6 @@ export default class TerminalTabManager implements ITerminalTabManager {
       // 切换为前一个 tab
       this.active = this.items[Math.max(tabIndex - 1, 0)].key;
     }
-    // fixme 关闭 ws
   }
 
   // 打开 tab
diff --git a/orion-ops-ui/src/views/host/terminal/types/terminal.protocol.ts b/orion-ops-ui/src/views/host/terminal/types/terminal.protocol.ts
index 8e11fb34..f41c58ae 100644
--- a/orion-ops-ui/src/views/host/terminal/types/terminal.protocol.ts
+++ b/orion-ops-ui/src/views/host/terminal/types/terminal.protocol.ts
@@ -1,17 +1,3 @@
-// 终端协议
-export interface Protocol {
-  type: string;
-  template: string[];
-}
-
-// 终端内容
-export interface Payload {
-  type?: string;
-  session?: string;
-
-  [key: string]: unknown;
-}
-
 // 输入协议
 export const InputProtocol = {
   // 主机连接检查
@@ -74,47 +60,3 @@ export const OutputProtocol = {
     template: ['type', 'session', 'body']
   },
 };
-
-// 分隔符
-export const SEPARATOR = '|';
-
-// 解析参数
-export const parse = (payload: string) => {
-  const protocols = Object.values(OutputProtocol);
-  const useProtocol = protocols.find(p => payload.startsWith(p.type + SEPARATOR) || p.type === payload);
-  if (!useProtocol) {
-    return undefined;
-  }
-  const template = useProtocol.template;
-  const res: Record<string, any> = {};
-  let curr = 0;
-  let len = payload.length;
-  for (let i = 0, pl = template.length; i < pl; i++) {
-    if (i == pl - 1) {
-      // 最后一次
-      res[template[i]] = payload.substring(curr, len);
-    } else {
-      // 非最后一次
-      let tmp = '';
-      for (; curr < len; curr++) {
-        const c = payload.charAt(curr);
-        if (c == SEPARATOR) {
-          res[template[i]] = tmp;
-          curr++;
-          break;
-        } else {
-          tmp += c;
-        }
-      }
-    }
-  }
-  return res;
-};
-
-// 格式化参数
-export const format = (protocol: Protocol, payload: Payload) => {
-  payload.type = protocol.type;
-  return protocol.template
-    .map(i => payload[i] || '')
-    .join(SEPARATOR);
-};
diff --git a/orion-ops-ui/src/views/host/terminal/types/terminal.type.ts b/orion-ops-ui/src/views/host/terminal/types/terminal.type.ts
index f0ec85ec..6e3948e5 100644
--- a/orion-ops-ui/src/views/host/terminal/types/terminal.type.ts
+++ b/orion-ops-ui/src/views/host/terminal/types/terminal.type.ts
@@ -1,6 +1,15 @@
-// 终端协议
-import { Terminal } from 'xterm';
+import type { Terminal } from 'xterm';
 
+// 终端 tab 元素
+export interface TerminalTabItem {
+  key: string;
+  title: string;
+  type: string;
+
+  [key: string]: unknown;
+}
+
+// 终端协议
 export interface Protocol {
   type: string;
   template: string[];
@@ -22,13 +31,43 @@ export interface OutputPayload {
   [key: string]: string;
 }
 
+// 终端 tab 管理器定义
+export interface ITerminalTabManager {
+  // 当前 tab
+  active: string;
+  // 全部 tab
+  items: Array<TerminalTabItem>;
+
+  // 点击 tab
+  clickTab: (key: string) => void;
+  // 删除 tab
+  deleteTab: (key: string) => void;
+  // 打开 tab
+  openTab: (tab: TerminalTabItem) => void;
+  // 清空
+  clear: () => void;
+}
+
+// 终端会话管理器定义
+export interface ITerminalSessionManager {
+  // 打开终端会话
+  openSession: (tab: TerminalTabItem, dom: HTMLElement) => void;
+  // 获取终端会话
+  getSession: (sessionId: string) => ITerminalSession;
+  // 关闭终端会话
+  closeSession: (sessionId: string) => void;
+  // 重置
+  reset: () => void;
+}
+
 // 终端通信处理器 定义
 export interface ITerminalChannel {
   // 初始化
   init: () => Promise<void>;
+  // 是否已连接
+  isConnected: () => boolean;
   // 发送消息
   send: (protocol: Protocol, payload: InputPayload) => void;
-
   // 关闭
   close: () => void;
 }