diff --git a/connect.py b/connect.py
index f8f1352f4..46b1da82b 100644
--- a/connect.py
+++ b/connect.py
@@ -40,11 +40,10 @@ except ImportError:
 
 CONF.read(os.path.join(BASE_DIR, 'jumpserver.conf'))
 log_dir = os.path.join(BASE_DIR, 'logs')
-login_name = getpass.getuser()
-user = Juser(username=login_name)
+login_user = Juser(username=getpass.getuser())
 
 
-def color_print(msg, color='blue'):
+def color_print(msg, color='red', exits=False):
     """
     Print colorful string.
     颜色打印
@@ -54,199 +53,133 @@ def color_print(msg, color='blue'):
                  'red': '\033[1;31m%s\033[0m'}
 
     print color_msg.get(color, 'blue') % msg
+    if exits:
+        time.sleep(2)
+        sys.exit()
 
 
-def color_print_exit(msg, color='red'):
-    """
-    Print colorful string and exit.
-    颜色打印并推出
-    """
-    color_print(msg, color=color)
-    time.sleep(2)
-    sys.exit()
+class Jtty(object):
+    def __init__(self, chan, user, asset):
+        self.chan = chan
+        self.username = user.username
+        self.ip = asset.ip
 
+    @staticmethod
+    def get_win_size():
+        """
+        This function use to get the size of the windows!
+        获得terminal窗口大小
+        """
+        if 'TIOCGWINSZ' in dir(termios):
+            TIOCGWINSZ = termios.TIOCGWINSZ
+        else:
+            TIOCGWINSZ = 1074295912L
+        s = struct.pack('HHHH', 0, 0, 0, 0)
+        x = fcntl.ioctl(sys.stdout.fileno(), TIOCGWINSZ, s)
+        return struct.unpack('HHHH', x)[0:2]
 
-def get_win_size():
-    """
-    This function use to get the size of the windows!
-    获得terminal窗口大小
-    """
-    if 'TIOCGWINSZ' in dir(termios):
-        TIOCGWINSZ = termios.TIOCGWINSZ
-    else:
-        TIOCGWINSZ = 1074295912L
-    s = struct.pack('HHHH', 0, 0, 0, 0)
-    x = fcntl.ioctl(sys.stdout.fileno(), TIOCGWINSZ, s)
-    return struct.unpack('HHHH', x)[0:2]
-
-
-def set_win_size(sig, data):
-    """
-    This function use to set the window size of the terminal!
-    设置terminal窗口大小
-    """
-    try:
-        win_size = get_win_size()
-        channel.resize_pty(height=win_size[0], width=win_size[1])
-    except Exception:
-        pass
-
-
-def log_record(username, host):
-    """
-    Logging user command and output.
-    记录用户的日志
-    """
-    connect_log_dir = os.path.join(log_dir, 'connect')
-    timestamp_start = int(time.time())
-    today = time.strftime('%Y%m%d', time.localtime(timestamp_start))
-    time_now = time.strftime('%H%M%S', time.localtime(timestamp_start))
-    today_connect_log_dir = os.path.join(connect_log_dir, today)
-    log_filename = '%s_%s_%s.log' % (username, host, time_now)
-    log_file_path = os.path.join(today_connect_log_dir, log_filename)
-    dept = User.objects.filter(username=username)
-    if dept:
-        dept = dept[0]
-        dept_name = dept.name
-    else:
-        dept_name = 'None'
-
-    pid = os.getpid()
-    pts = os.popen("ps axu | grep %s | grep -v grep | awk '{ print $7 }'" % pid).read().strip()
-    remote_ip = os.popen("who | grep %s | awk '{ print $5 }'" % pts).read().strip('()\n')
-
-    if not os.path.isdir(today_connect_log_dir):
+    def set_win_size(self, sig, data):
+        """
+        This function use to set the window size of the terminal!
+        设置terminal窗口大小
+        """
         try:
-            os.makedirs(today_connect_log_dir)
-            os.chmod(today_connect_log_dir, 0777)
-        except OSError:
-            raise ServerError('Create %s failed, Please modify %s permission.' % (today_connect_log_dir, connect_log_dir))
+            win_size = self.get_win_size()
+            self.channel.resize_pty(height=win_size[0], width=win_size[1])
+        except Exception:
+            pass
 
-    try:
-        log_file = open(log_file_path, 'a')
-    except IOError:
-        raise ServerError('Create logfile failed, Please modify %s permission.' % today_connect_log_dir)
+    def log_record(self):
+        """
+        Logging user command and output.
+        记录用户的日志
+        """
+        tty_log_dir = os.path.join(log_dir, 'tty')
+        timestamp_start = int(time.time())
+        date_start = time.strftime('%Y%m%d', time.localtime(timestamp_start))
+        time_start = time.strftime('%H%M%S', time.localtime(timestamp_start))
+        today_connect_log_dir = os.path.join(tty_log_dir, date_start)
+        log_filename = '%s_%s_%s.log' % (self.username, self.host, time_start)
+        log_file_path = os.path.join(today_connect_log_dir, log_filename)
+        dept = User.objects.filter(username=username)
+        if dept:
+            dept = dept[0]
+            dept_name = dept.name
+        else:
+            dept_name = 'None'
 
-    log = Log(user=username, host=host, remote_ip=remote_ip, dept_name=dept_name,
-              log_path=log_file_path, start_time=datetime.datetime.now(), pid=pid)
-    log_file.write('Start time is %s\n' % datetime.datetime.now())
-    log.save()
-    return log_file, log
+        pid = os.getpid()
+        pts = os.popen("ps axu | grep %s | grep -v grep | awk '{ print $7 }'" % pid).read().strip()
+        remote_ip = os.popen("who | grep %s | awk '{ print $5 }'" % pts).read().strip('()\n')
 
-
-def posix_shell(chan, username, host):
-    """
-    Use paramiko channel connect server interactive.
-    使用paramiko模块的channel，连接后端，进入交互式
-    """
-    log_file, log = log_record(username, host)
-    old_tty = termios.tcgetattr(sys.stdin)
-    try:
-        tty.setraw(sys.stdin.fileno())
-        tty.setcbreak(sys.stdin.fileno())
-        chan.settimeout(0.0)
-
-        while True:
+        if not os.path.isdir(today_connect_log_dir):
             try:
-                r, w, e = select.select([chan, sys.stdin], [], [])
-            except Exception:
-                pass
+                os.makedirs(today_connect_log_dir)
+                os.chmod(today_connect_log_dir, 0777)
+            except OSError:
+                raise ServerError('Create %s failed, Please modify %s permission.' % (today_connect_log_dir, connect_log_dir))
 
-            if chan in r:
+        try:
+            log_file = open(log_file_path, 'a')
+        except IOError:
+            raise ServerError('Create logfile failed, Please modify %s permission.' % today_connect_log_dir)
+
+        log = Log(user=username, host=host, remote_ip=remote_ip, dept_name=dept_name,
+                  log_path=log_file_path, start_time=datetime.datetime.now(), pid=pid)
+        log_file.write('Start time is %s\n' % datetime.datetime.now())
+        log.save()
+        return log_file, log
+
+    def posix_shell(chan, username, host):
+        """
+        Use paramiko channel connect server interactive.
+        使用paramiko模块的channel，连接后端，进入交互式
+        """
+        log_file, log = log_record(username, host)
+        old_tty = termios.tcgetattr(sys.stdin)
+        try:
+            tty.setraw(sys.stdin.fileno())
+            tty.setcbreak(sys.stdin.fileno())
+            chan.settimeout(0.0)
+
+            while True:
                 try:
-                    x = chan.recv(1024)
-                    if len(x) == 0:
-                        break
-                    sys.stdout.write(x)
-                    sys.stdout.flush()
-                    log_file.write(x)
-                    log_file.flush()
-                except socket.timeout:
+                    r, w, e = select.select([chan, sys.stdin], [], [])
+                except Exception:
                     pass
 
-            if sys.stdin in r:
-                x = os.read(sys.stdin.fileno(), 1)
-                if len(x) == 0:
-                    break
-                chan.send(x)
+                if chan in r:
+                    try:
+                        x = chan.recv(1024)
+                        if len(x) == 0:
+                            break
+                        sys.stdout.write(x)
+                        sys.stdout.flush()
+                        log_file.write(x)
+                        log_file.flush()
+                    except socket.timeout:
+                        pass
 
-    finally:
-        termios.tcsetattr(sys.stdin, termios.TCSADRAIN, old_tty)
-        log_file.write('End time is %s' % datetime.datetime.now())
-        log_file.close()
-        log.is_finished = True
-        log.log_finished = False
-        log.end_time = datetime.datetime.now()
-        log.save()
+                if sys.stdin in r:
+                    x = os.read(sys.stdin.fileno(), 1)
+                    if len(x) == 0:
+                        break
+                    chan.send(x)
 
-
-# def get_user_host_group(username):
-#     """
-#     Get the host groups of under the user control.
-#     获取用户有权限的主机组
-#     """
-#     groups_attr = {}
-#     group_all = get_host_groups(username)
-#     for group in group_all:
-#         groups_attr[group.name] = [group.id, group.comment]
-#     return groups_attr
-
-
-# def get_user_host_group_member(username, gid):
-#     """
-#     Get the host group hosts of under the user control.
-#     获取用户有权限主机组下的主机
-#     """
-#     groups_attr = get_user_host_group(username)
-#     groups_ids = [attr[0] for name, attr in groups_attr.items()]
-#     hosts_attr = {}
-#     if int(gid) in groups_ids:
-#         user = User.objects.filter(username=username)
-#         if user:
-#             user = user[0]
-#             hosts = get_host_groups(gid)
-#             for host in hosts:
-#                 alias = AssetAlias.objects.filter(user=user, host=host)
-#                 if alias and alias[0].alias != '':
-#                     hosts_attr[host.ip] = [host.id, host.ip, alias[0].alias]
-#                 else:
-#                     hosts_attr[host.ip] = [host.id, host.ip, host.comment]
-#     return hosts_attr
-
-
-# def user_asset_info(user, printable=False):
-#     """
-#     Get or Print asset info
-#     获取或打印用户资产信息
-#     """
-#     assets_info = {}
-#     try:
-#         assets = get_asset(user)
-#     except ServerError, e:
-#         color_print(e, 'red')
-#         return
-#
-#     for asset in assets:
-#         asset_alias = AssetAlias.objects.filter(user=user, asset=asset)
-#         if asset_alias and asset_alias[0].alias != '':
-#             assets_info[asset.ip] = [asset.id, asset.ip, asset_alias[0].alias]
-#         else:
-#             assets_info[asset.ip] = [asset.id, asset.ip, asset.comment]
-#
-#     if printable:
-#         ips = assets_info.keys()
-#         ips.sort()
-#         for ip in ips:
-#             print '%-15s -- %s' % (ip, assets_info[ip][2])
-#         print ''
-#     else:
-#         return assets_info
+        finally:
+            termios.tcsetattr(sys.stdin, termios.TCSADRAIN, old_tty)
+            log_file.write('End time is %s' % datetime.datetime.now())
+            log_file.close()
+            log.is_finished = True
+            log.log_finished = False
+            log.end_time = datetime.datetime.now()
+            log.save()
 
 
 def verify_connect(username, part_ip):
     ip_matched = []
     try:
-        assets_info = user.get_asset_info()
+        assets_info = login_user.get_asset_info()
     except ServerError, e:
         color_print(e, 'red')
         return False
@@ -260,7 +193,7 @@ def verify_connect(username, part_ip):
             if part_ip in info:
                 ip_matched.append(ip)
 
-    logger.debug('%s matched input %s: %s' % (user.username, part_ip, ip_matched))
+    logger.debug('%s matched input %s: %s' % (login_user.username, part_ip, ip_matched))
     ip_matched = list(set(ip_matched))
 
     if len(ip_matched) > 1:
@@ -385,7 +318,7 @@ def exec_cmd_servers(username):
         inputs = raw_input('\033[1;32mip(s)>: \033[0m')
         if inputs in ['q', 'Q']:
             break
-        get_hosts = user.get_asset_info().keys()
+        get_hosts = login_user.get_asset_info().keys()
 
         if ',' in inputs:
             ips_input = inputs.split(',')
@@ -419,8 +352,8 @@ def exec_cmd_servers(username):
 
 
 if __name__ == '__main__':
-    if not user.validate():
-        color_print_exit(u'没有该用户 No that user.')
+    if not login_user.validate():
+        color_print(u'没有该用户 No that user.', exits=True)
 
     print_prompt()
     gid_pattern = re.compile(r'^g\d+$')
@@ -434,10 +367,10 @@ if __name__ == '__main__':
             except KeyboardInterrupt:
                 sys.exit(0)
             if option in ['P', 'p']:
-                user.get_asset_info(printable=True)
+                login_user.get_asset_info(printable=True)
                 continue
             elif option in ['G', 'g']:
-                user.get_asset_group_info(printable=True)
+                login_user.get_asset_group_info(printable=True)
                 continue
             elif gid_pattern.match(option):
                 gid = option[1:].strip()
diff --git a/jumpserver/api.py b/jumpserver/api.py
index faebd2843..68831bcb0 100644
--- a/jumpserver/api.py
+++ b/jumpserver/api.py
@@ -12,6 +12,7 @@ import ldap
 from ldap import modlist
 import hashlib
 import datetime
+import random
 import subprocess
 from django.core.paginator import Paginator, EmptyPage, InvalidPage
 from django.http import HttpResponse, Http404
@@ -150,34 +151,57 @@ def pages(posts, r):
 
 
 class PyCrypt(object):
-    """This class used to encrypt and decrypt password."""
+    """
+    This class used to encrypt and decrypt password.
+    对称加密库
+    """
 
     def __init__(self, key):
         self.key = key
         self.mode = AES.MODE_CBC
 
-    def encrypt(self, text):
-        cryptor = AES.new(self.key, self.mode, b'0000000000000000')
-        length = 16
+    def _random_pass(self):
+        """
+        random password
+        随机生成密码
+        """
+        salt_key = '1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@$%^&*()_'
+        symbol = '!@$%^&*()_'
+        salt_list = []
+        for i in range(60):
+            salt_list.append(random.choice(salt_key))
+        for i in range(4):
+            salt_list.append(random.choice(symbol))
+        salt = ''.join(salt_list)
+        self.salt = salt
+
+    def encrypt(self):
+        """
+        encrypt gen password
+        加密生成密码
+        """
+        cryptor = AES.new(self.key, self.mode, b'8122ca7d906ad5e1')
+        length = 64
         try:
-            count = len(text)
+            count = len(self.salt)
         except TypeError:
-            raise ServerError('Encrypt password error, TYpe error.')
+            # raise ServerError('Encrypt password error, TYpe error.')
+            pass
         add = (length - (count % length))
-        text += ('\0' * add)
-        ciphertext = cryptor.encrypt(text)
-        return b2a_hex(ciphertext)
+        self.salt += ('\0' * add)
+        cipher_text = cryptor.encrypt(self.salt)
+        return b2a_hex(cipher_text)
 
     def decrypt(self, text):
-        cryptor = AES.new(self.key, self.mode, b'0000000000000000')
+        cryptor = AES.new(self.key, self.mode, b'8122ca7d906ad5e1')
         try:
             plain_text = cryptor.decrypt(a2b_hex(text))
         except TypeError:
-            raise ServerError('Decrypt password error, TYpe error.')
+            # raise ServerError('Decrypt password error, TYpe error.')
+            pass
         return plain_text.rstrip('\0')
 
 
-CRYPTOR = PyCrypt(KEY)
 
 
 class ServerError(Exception):
@@ -595,17 +619,15 @@ def asset_perm_api(asset):
         return user_permed_list
 
 
-def get_connect_item(username, ip):
+def get_connect_item(user, ip):
     asset = get_object(Asset, ip=ip)
     port = int(asset.port)
 
     if not asset.is_active:
         raise ServerError('Host %s is not active.' % ip)
 
-    user = get_object(User, username=username)
-
     if not user.is_active:
-        raise ServerError('User %s is not active.' % username)
+        raise ServerError('User %s is not active.' % user.username)
 
     login_type_dict = {
         'L': user.ldap_pwd,
@@ -613,7 +635,7 @@ def get_connect_item(username, ip):
 
     if asset.login_type in login_type_dict:
         password = CRYPTOR.decrypt(login_type_dict[asset.login_type])
-        return username, password, ip, port
+        return user.username, password, ip, port
 
     elif asset.login_type == 'M':
         username = asset.username
@@ -749,4 +771,7 @@ def node_auth(request):
     else:
         result = {'auth': {'username': username, 'result': 'failed'}}
 
-    return HttpResponse(json.dumps(result, sort_keys=True, indent=2), content_type='application/json')
\ No newline at end of file
+    return HttpResponse(json.dumps(result, sort_keys=True, indent=2), content_type='application/json')
+
+
+CRYPTOR = PyCrypt(KEY)
\ No newline at end of file