diff --git a/spug_api/consumer/consumers.py b/spug_api/consumer/consumers.py
index 3c92d4e..34715df 100644
--- a/spug_api/consumer/consumers.py
+++ b/spug_api/consumer/consumers.py
@@ -1,43 +1,18 @@
 # Copyright: (c) OpenSpug Organization. https://github.com/openspug/spug
 # Copyright: (c) <spug.dev@gmail.com>
 # Released under the AGPL-3.0 License.
-from channels.generic.websocket import WebsocketConsumer
 from django.conf import settings
 from django_redis import get_redis_connection
 from asgiref.sync import async_to_sync
 from apps.host.models import Host
+from consumer.utils import BaseConsumer
 from apps.account.utils import has_host_perm
 from threading import Thread
 import time
 import json
 
 
-class ExecConsumer(WebsocketConsumer):
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        self.token = self.scope['url_route']['kwargs']['token']
-        self.rds = get_redis_connection()
-
-    def connect(self):
-        self.accept()
-
-    def disconnect(self, code):
-        self.rds.close()
-
-    def get_response(self):
-        response = self.rds.brpop(self.token, timeout=5)
-        return response[1] if response else None
-
-    def receive(self, **kwargs):
-        response = self.get_response()
-        while response:
-            data = response.decode()
-            self.send(text_data=data)
-            response = self.get_response()
-        self.send(text_data='pong')
-
-
-class ComConsumer(WebsocketConsumer):
+class ComConsumer(BaseConsumer):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         token = self.scope['url_route']['kwargs']['token']
@@ -52,9 +27,6 @@ class ComConsumer(WebsocketConsumer):
             raise TypeError(f'unknown module for {module}')
         self.rds = get_redis_connection()
 
-    def connect(self):
-        self.accept()
-
     def disconnect(self, code):
         self.rds.close()
 
@@ -78,18 +50,17 @@ class ComConsumer(WebsocketConsumer):
         self.send(text_data='pong')
 
 
-class SSHConsumer(WebsocketConsumer):
+class SSHConsumer(BaseConsumer):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        self.user = self.scope['user']
         self.id = self.scope['url_route']['kwargs']['id']
         self.chan = None
         self.ssh = None
 
     def loop_read(self):
+        is_ready = False
         while True:
             data = self.chan.recv(32 * 1024)
-            # print('read: {!r}'.format(data))
             if not data:
                 self.close(3333)
                 break
@@ -97,6 +68,9 @@ class SSHConsumer(WebsocketConsumer):
                 text = data.decode()
             except UnicodeDecodeError:
                 text = data.decode(encoding='GBK', errors='ignore')
+            if not is_ready:
+                self.send(text_data='\033[2J\033[3J\033[1;1H')
+                is_ready = True
             self.send(text_data=text)
 
     def receive(self, text_data=None, bytes_data=None):
@@ -116,34 +90,28 @@ class SSHConsumer(WebsocketConsumer):
         if self.ssh:
             self.ssh.close()
 
-    def connect(self):
+    def init(self):
         if has_host_perm(self.user, self.id):
-            self.accept()
-            self._init()
+            self.send(text_data='\r\n正在连接至主机 ...')
+            host = Host.objects.filter(pk=self.id).first()
+            if not host:
+                return self.close_with_message('未找到指定主机，请刷新页面重试。')
+
+            try:
+                self.ssh = host.get_ssh().get_client()
+            except Exception as e:
+                return self.close_with_message(f'连接主机失败: {e}')
+
+            self.chan = self.ssh.invoke_shell(term='xterm')
+            self.chan.transport.set_keepalive(30)
+            Thread(target=self.loop_read).start()
         else:
-            self.close()
-
-    def _init(self):
-        self.send(text_data='\r\33[KConnecting ...\r')
-        host = Host.objects.filter(pk=self.id).first()
-        if not host:
-            self.send(text_data='Unknown host\r\n')
-            self.close()
-        try:
-            self.ssh = host.get_ssh().get_client()
-        except Exception as e:
-            self.send(text_data=f'Exception: {e}\r\n'.encode())
-            self.close()
-            return
-        self.chan = self.ssh.invoke_shell(term='xterm')
-        self.chan.transport.set_keepalive(30)
-        Thread(target=self.loop_read).start()
+            self.close_with_message('你当前无权限操作该主机，请联系管理员授权。')
 
 
-class NotifyConsumer(WebsocketConsumer):
-    def connect(self):
+class NotifyConsumer(BaseConsumer):
+    def init(self):
         async_to_sync(self.channel_layer.group_add)('notify', self.channel_name)
-        self.accept()
 
     def disconnect(self, code):
         async_to_sync(self.channel_layer.group_discard)('notify', self.channel_name)
@@ -155,7 +123,7 @@ class NotifyConsumer(WebsocketConsumer):
         self.send(text_data=json.dumps(event))
 
 
-class PubSubConsumer(WebsocketConsumer):
+class PubSubConsumer(BaseConsumer):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.token = self.scope['url_route']['kwargs']['token']
@@ -163,9 +131,6 @@ class PubSubConsumer(WebsocketConsumer):
         self.p = self.rds.pubsub(ignore_subscribe_messages=True)
         self.p.subscribe(self.token)
 
-    def connect(self):
-        self.accept()
-
     def disconnect(self, code):
         self.p.close()
         self.rds.close()
diff --git a/spug_api/consumer/middleware.py b/spug_api/consumer/middleware.py
deleted file mode 100644
index bba5d58..0000000
--- a/spug_api/consumer/middleware.py
+++ /dev/null
@@ -1,50 +0,0 @@
-# Copyright: (c) OpenSpug Organization. https://github.com/openspug/spug
-# Copyright: (c) <spug.dev@gmail.com>
-# Released under the AGPL-3.0 License.
-from django.db import close_old_connections
-from channels.security.websocket import WebsocketDenier
-from apps.account.models import User
-from apps.setting.utils import AppSetting
-from libs.utils import get_request_real_ip
-from urllib.parse import parse_qs
-import time
-
-
-class AuthMiddleware:
-    def __init__(self, application):
-        self.application = application
-
-    def __call__(self, scope):
-        # Make sure the scope is of type websocket
-        if scope["type"] != "websocket":
-            raise ValueError(
-                "You cannot use AuthMiddleware on a non-WebSocket connection"
-            )
-        headers = dict(scope.get('headers', []))
-        is_ok, message = self.verify_user(scope, headers)
-        if is_ok:
-            return self.application(scope)
-        else:
-            print(message)
-            return WebsocketDenier(scope)
-
-    def get_real_ip(self, headers):
-        decode_headers = {
-            'x-forwarded-for': headers.get(b'x-forwarded-for', b'').decode(),
-            'x-real-ip': headers.get(b'x-real-ip', b'').decode()
-        }
-        return get_request_real_ip(decode_headers)
-
-    def verify_user(self, scope, headers):
-        close_old_connections()
-        query_string = scope['query_string'].decode()
-        x_real_ip = self.get_real_ip(headers)
-        token = parse_qs(query_string).get('x-token', [''])[0]
-        if token and len(token) == 32:
-            user = User.objects.filter(access_token=token).first()
-            if user and user.token_expired >= time.time() and user.is_active:
-                if x_real_ip == user.last_ip or AppSetting.get_default('bind_ip') is False:
-                    scope['user'] = user
-                    return True, None
-                return False, f'Verify failed: {x_real_ip} <> {user.last_ip if user else None}'
-        return False, 'Token is invalid'
diff --git a/spug_api/consumer/routing.py b/spug_api/consumer/routing.py
index 7055c0a..9ef58b9 100644
--- a/spug_api/consumer/routing.py
+++ b/spug_api/consumer/routing.py
@@ -3,15 +3,11 @@
 # Released under the AGPL-3.0 License.
 from django.urls import path
 from channels.routing import URLRouter
-from consumer.middleware import AuthMiddleware
 from consumer.consumers import *
 
-ws_router = AuthMiddleware(
-    URLRouter([
-        path('ws/exec/<str:token>/', ExecConsumer),
-        path('ws/ssh/<int:id>/', SSHConsumer),
-        path('ws/subscribe/<str:token>/', PubSubConsumer),
-        path('ws/<str:module>/<str:token>/', ComConsumer),
-        path('ws/notify/', NotifyConsumer),
-    ])
-)
+ws_router = URLRouter([
+    path('ws/ssh/<int:id>/', SSHConsumer),
+    path('ws/subscribe/<str:token>/', PubSubConsumer),
+    path('ws/<str:module>/<str:token>/', ComConsumer),
+    path('ws/notify/', NotifyConsumer),
+])
diff --git a/spug_api/consumer/utils.py b/spug_api/consumer/utils.py
new file mode 100644
index 0000000..1313b8b
--- /dev/null
+++ b/spug_api/consumer/utils.py
@@ -0,0 +1,42 @@
+# Copyright: (c) OpenSpug Organization. https://github.com/openspug/spug
+# Copyright: (c) <spug.dev@gmail.com>
+# Released under the AGPL-3.0 License.
+from django.db import close_old_connections
+from channels.generic.websocket import WebsocketConsumer
+from apps.account.models import User
+from apps.setting.utils import AppSetting
+from libs.utils import get_request_real_ip
+from urllib.parse import parse_qs
+import time
+
+
+def get_real_ip(headers):
+    decode_headers = {k.decode(): v.decode() for k, v in headers}
+    return get_request_real_ip(decode_headers)
+
+
+class BaseConsumer(WebsocketConsumer):
+    def __init__(self, *args, **kwargs):
+        super(BaseConsumer, self).__init__(*args, **kwargs)
+        self.user = None
+
+    def close_with_message(self, content):
+        self.send(text_data=f'\r\n\x1b[31m{content}\x1b[0m\r\n')
+        self.close()
+
+    def connect(self):
+        self.accept()
+        close_old_connections()
+        query_string = self.scope['query_string'].decode()
+        x_real_ip = get_real_ip(self.scope['headers'])
+        token = parse_qs(query_string).get('x-token', [''])[0]
+        if token and len(token) == 32:
+            user = User.objects.filter(access_token=token).first()
+            if user and user.token_expired >= time.time() and user.is_active:
+                if x_real_ip == user.last_ip or AppSetting.get_default('bind_ip') is False:
+                    self.user = user
+                    if hasattr(self, 'init'):
+                        self.init()
+                    return None
+                self.close_with_message('触发登录IP绑定安全策略，请在系统设置/安全设置中查看配置。')
+        self.close_with_message('用户身份验证失败，请重新登录或刷新页面。')
diff --git a/spug_web/src/layout/Notification.js b/spug_web/src/layout/Notification.js
index 6f25d55..24395be 100644
--- a/spug_web/src/layout/Notification.js
+++ b/spug_web/src/layout/Notification.js
@@ -70,11 +70,15 @@ export default function () {
     ws.onmessage = e => {
       if (e.data !== 'pong') {
         fetch();
-        const {title, content} = JSON.parse(e.data);
-        const key = `open${Date.now()}`;
-        const description = <div style={{whiteSpace: 'pre-wrap'}}>{content}</div>;
-        const btn = <Button type="primary" size="small" onClick={() => notification.close(key)}>知道了</Button>;
-        notification.warning({message: title, description, btn, key, top: 64, duration: null})
+        try {
+          const {title, content} = JSON.parse(e.data);
+          const key = `open${Date.now()}`;
+          const description = <div style={{whiteSpace: 'pre-wrap'}}>{content}</div>;
+          const btn = <Button type="primary" size="small" onClick={() => notification.close(key)}>知道了</Button>;
+          notification.warning({message: title, description, btn, key, top: 64, duration: null})
+        } catch (e) {
+
+        }
       }
     }
   }
diff --git a/spug_web/src/pages/exec/task/Output.js b/spug_web/src/pages/exec/task/Output.js
index 0559b59..f104346 100644
--- a/spug_web/src/pages/exec/task/Output.js
+++ b/spug_web/src/pages/exec/task/Output.js
@@ -16,7 +16,7 @@ import {
 import { FitAddon } from 'xterm-addon-fit';
 import { Terminal } from 'xterm';
 import style from './index.module.less';
-import { X_TOKEN } from 'libs';
+import { http, X_TOKEN } from 'libs';
 import store from './store';
 import gStore from 'gStore';
 
@@ -55,7 +55,7 @@ function OutView(props) {
 
   useEffect(() => {
     const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
-    const socket = new WebSocket(`${protocol}//${window.location.host}/api/ws/exec/${store.token}/?x-token=${X_TOKEN}`);
+    const socket = new WebSocket(`${protocol}//${window.location.host}/api/ws/subscribe/${store.token}/?x-token=${X_TOKEN}`);
     socket.onopen = () => {
       const message = '\r\x1b[K\x1b[36m### Waiting for scheduling ...\x1b[0m'
       for (let key of Object.keys(store.outputs)) {
@@ -64,6 +64,7 @@ function OutView(props) {
       term.write(message)
       socket.send('ok');
       fitPlugin.fit()
+      http.patch('/api/exec/do/', {token: store.token})
     }
     socket.onmessage = e => {
       if (e.data === 'pong') {
diff --git a/spug_web/src/pages/exec/task/index.js b/spug_web/src/pages/exec/task/index.js
index 66f4f47..a91f9eb 100644
--- a/spug_web/src/pages/exec/task/index.js
+++ b/spug_web/src/pages/exec/task/index.js
@@ -15,6 +15,7 @@ import Output from './Output';
 import { http, cleanCommand } from 'libs';
 import moment from 'moment';
 import store from './store';
+import gStore from 'gStore';
 import style from './index.module.less';
 
 function TaskIndex() {
@@ -28,7 +29,7 @@ function TaskIndex() {
 
   useEffect(() => {
     if (!loading) {
-      http.get('/api/exec/history/')
+      http.get('/api/exec/do/')
         .then(res => setHistories(res))
     }
   }, [loading])
@@ -40,6 +41,7 @@ function TaskIndex() {
   }, [command])
 
   useEffect(() => {
+    gStore.fetchUserSettings()
     return () => {
       store.host_ids = []
       if (store.showConsole) {
diff --git a/spug_web/src/pages/ssh/FileManager.js b/spug_web/src/pages/ssh/FileManager.js
index a7abd53..7d18355 100644
--- a/spug_web/src/pages/ssh/FileManager.js
+++ b/spug_web/src/pages/ssh/FileManager.js
@@ -174,7 +174,7 @@ class FileManager extends React.Component {
 
   _updatePercent = token => {
     const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
-    this.socket = new WebSocket(`${protocol}//${window.location.host}/api/ws/exec/${token}/?x-token=${X_TOKEN}`);
+    this.socket = new WebSocket(`${protocol}//${window.location.host}/api/ws/subscribe/${token}/?x-token=${X_TOKEN}`);
     this.socket.onopen = () => this.socket.send('ok');
     this.socket.onmessage = e => {
       if (e.data === 'pong') {