diff --git a/test.py b/test.py
index 01488d0..ddda194 100644
--- a/test.py
+++ b/test.py
@@ -10,6 +10,7 @@ print 'Connecting to device ...'
 conn = zk.connect()
 if conn.get('status'):
     print conn
+    print 'Disabling device ...'
     print zk.disable_device()
     print 'Firmware Version: : {}'.format(zk.get_firmware_version())
     # Load test create 2000 users
@@ -18,27 +19,31 @@ if conn.get('status'):
     #     if i == 1:
     #         privilege = const.USER_ADMIN
     #     print zk.set_user(uid=i, name='user #{}'.format(i), privilege=privilege, password='12345678', group_id='', user_id='{}'.format(i))
-    # print 'Restarting device'
-    # print zk.restart()
-    # print 'Turning off device'
-    # print zk.power_off()
-    # users = zk.get_users()
-    # if users:
-    #     for uid in users:        
-    #         if users[uid][2] == 14:
-    #             level = 'Admin'
-    #         else:
-    #             level = 'User'
-    #         print "[UID %d]: ID: %s, Name: %s, Level: %s, Password: %s" % ( uid, users[uid][0], users[uid][1], level, users[uid][3]  )
+    print '--- Get User ---'
+    users = zk.get_users()
+    if users.get('status'):
+        for user in users.get('data'):
+            privilege = 'User'
+            if user.privilege == const.USER_ADMIN:
+                privilege = 'Admin'
 
+            print '- UID #{}'.format(user.uid)
+            print '  Name       : {}'.format(user.name)
+            print '  Privilege  : {}'.format(privilege)
+            print '  Password   : {}'.format(user.password)
+            print '  Group ID   : {}'.format(user.group_id)
+            print '  User  ID   : {}'.format(user.user_id)
+
+    print "Voice Test ..."
     print zk.test_voice()
+    # print 'Restarting device ...'
+    # print zk.restart()
+    # print 'Turning off device ...'
+    # print zk.power_off()
+    print 'Enabling device ...'
     print zk.enable_device()
-    print 'Disconnecting to device ...'
+    print 'Disconnecting to device ...'    
     print zk.disconnect()
-#     if status:
-#         print 'Disonnected !'
-#     else:
-#         print 'Disconnecting Error: {}'.format(message)
 else:
     print 'Connecting Error: {}'.format(conn.get('message'))
 
diff --git a/zk/base.py b/zk/base.py
index b6517a4..bed7ec2 100644
--- a/zk/base.py
+++ b/zk/base.py
@@ -3,6 +3,7 @@ from struct import pack, unpack
 from socket import socket, AF_INET, SOCK_DGRAM
 
 from zk import const
+from zk.user import User
 
 class ZK(object):
 
@@ -234,7 +235,6 @@ class ZK(object):
     def get_users(self):
         command = const.CMD_USERTEMP_RRQ
         cmd_response = self.__send_command(command=command, response_size=1024)
-        cmd_response['data'] = ''
         if cmd_response:
             bytes = self.__get_size_user()
             userdata = []
@@ -244,24 +244,41 @@ class ZK(object):
                     userdata.append(data_recv)
                     bytes -= 1024
 
-                if len(userdata):
-                    user_byte = ''.join(userdata)[12:]
-                    while len(user_byte) >= 72:
-                        uid, privilege, password, name, sparator, group_id, user_id = unpack('2sc8s28sc7sx24s', user_byte[0:72])
-                        u1 = int( uid[0].encode("hex"), 16)
-                        u2 = int( uid[1].encode("hex"), 16)
+                data_recv = self.__sock.recv(8)
+                response = unpack('HHHH', data_recv[:8])[0]
+                if response == const.CMD_ACK_OK:
+                    users = []
+                    if len(userdata):
+                        user_byte = ''.join(userdata)[12:]
+                        while len(user_byte) >= 72:
+                            uid, privilege, password, name, sparator, group_id, user_id = unpack('2sc8s28sc7sx24s', user_byte[0:72])
+                            u1 = int( uid[0].encode("hex"), 16)
+                            u2 = int( uid[1].encode("hex"), 16)
 
-                        uid = u1 + (u2*256)
-                        print '---'
-                        print uid
-                        print privilege
-                        print password
-                        print name
-                        print sparator
-                        print group_id
-                        print user_id
-                        print '---'
+                            uid = u1 + (u2*256)
+                            name = unicode(name.strip('\x00|\x01\x10x'), errors='ignore')
+                            privilege = int(privilege.encode("hex"), 16)
+                            password = unicode(password.strip('\x00|\x01\x10x'), errors='ignore')
+                            group_id = unicode(group_id.strip('\x00|\x01\x10x'), errors='ignore')
+                            user_id = unicode(user_id.strip('\x00|\x01\x10x'), errors='ignore')
 
-                        user_byte = user_byte[72:]
+                            user = User(uid, name, privilege, password, group_id, user_id)
+                            users.append(user)
+
+                            user_byte = user_byte[72:]
+
+                    cmd_response['status'] = True
+                    cmd_response['code'] = response
+                    cmd_response['message'] = 'success'
+                    cmd_response['data'] = users
+                    return cmd_response
+                else:
+                    return {
+                        'status': False,
+                        'code': response,
+                        'message': 'failed',
+                        'data': ''
+                    }
         else:
+            cmd_response['data'] = ''
             return cmd_response
diff --git a/zk/user.py b/zk/user.py
new file mode 100644
index 0000000..db01650
--- /dev/null
+++ b/zk/user.py
@@ -0,0 +1,13 @@
+# -*- coding: utf-8 -*-
+class User(object):
+
+    def __init__(self, uid, name, privilege, password='', group_id='', user_id=''):
+        self.uid = uid
+        self.name = name
+        self.privilege = privilege
+        self.password = password
+        self.group_id = group_id
+        self.user_id = user_id
+
+    def __str__(self):
+        return self.name