diff --git a/mycobot_pro/mycobot_600_moveit/scripts/sync_plan.py b/mycobot_pro/mycobot_600_moveit/scripts/sync_plan.py
index 4021613..cb45202 100644
--- a/mycobot_pro/mycobot_600_moveit/scripts/sync_plan.py
+++ b/mycobot_pro/mycobot_600_moveit/scripts/sync_plan.py
@@ -1,40 +1,299 @@
 #!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+from socket import *
+import math
+import sys
 import time
+from multiprocessing import Lock
+
 import rospy
 from sensor_msgs.msg import JointState
 
-from pymycobot.mycobot import MyCobot
+global mc
+mutex = Lock()
 
 
-mc = None
+class ElephantRobot(object):
+    def __init__(self, host, port):
+        # setup connection
+        # 建立连接
+        self.BUFFSIZE = 2048
+        self.ADDR = (host, port)
+        self.tcp_client = socket(AF_INET, SOCK_STREAM)
+
+    def start_client(self):
+        try:
+            self.tcp_client.connect(self.ADDR)
+            return ""
+        except error, e:
+            return e
+
+    def stop_client(self):
+        self.tcp_client.close()
+
+    def send_command(self, command):
+        with mutex:
+            self.tcp_client.send(command.encode())
+            recv_data = self.tcp_client.recv(self.BUFFSIZE).decode()
+            res_str = str(recv_data)
+            print "recv = " + res_str
+            res_arr = res_str.split(":")
+            if len(res_arr) == 2:
+                return res_arr[1]
+            else:
+                return ""
+
+    def string_to_coords(self, data):
+        data = data.replace("[", "")
+        data = data.replace("]", "")
+        data_arr = data.split(",")
+        if len(data_arr) == 6:
+            try:
+                coords_1 = float(data_arr[0])
+                coords_2 = float(data_arr[1])
+                coords_3 = float(data_arr[2])
+                coords_4 = float(data_arr[3])
+                coords_5 = float(data_arr[4])
+                coords_6 = float(data_arr[5])
+                coords = [coords_1, coords_2, coords_3, coords_4, coords_5, coords_6]
+                return coords
+            except:
+                return invalid_coords()
+        return invalid_coords()
+
+    def string_to_double(self, data):
+        try:
+            val = float(data)
+            return val
+        except:
+            return -9999.99
+
+    def string_to_int(self, data):
+        try:
+            val = int(data)
+            return val
+        except:
+            return -9999
+
+    def invalid_coords(self):
+        coords = [-1, -2, -3, -4, -1, -1]
+        return coords
+
+    def get_angles(self):
+        command = "get_angles()\n"
+        res = self.send_command(command)
+        return self.string_to_coords(res)
+
+    def get_coords(self):
+        command = "get_coords()\n"
+        res = self.send_command(command)
+        return self.string_to_coords(res)
+
+    def get_speed(self):
+        command = "get_speed()\n"
+        res = self.send_command(command)
+        return self.string_to_double(res)
+
+    def power_on(self):
+        command = "power_on()\n"
+        res = self.send_command(command)
+        return True
+
+    def power_off(self):
+        command = "power_off()\n"
+        res = self.send_command(command)
+        return True
+
+    def check_running(self):
+        command = "check_running()\n"
+        res = self.send_command(command)
+        return res == "1"
+
+    def state_check(self):
+        command = "state_check()\n"
+        res = self.send_command(command)
+        return res == "1"
+
+    def program_open(self, file_path):
+        command = "program_open(" + file_path + ")\n"
+        res = self.send_command(command)
+        return self.string_to_int(res)
+
+    def program_run(self, start_line):
+        """run program，运行程序"""
+        command = "program_run(" + str(start_line) + ")\n"
+        res = self.send_command(command)
+        return self.string_to_int(res)
+
+    def read_next_error(self):
+        command = "read_next_error()\n"
+        res = self.send_command(command)
+        return res
+
+    def write_coords(self, coords, speed):
+        """set coords,设置坐标"""
+        command = "set_coords("
+        for item in coords:
+            command += str(item) + ","
+        command += str(speed) + ")\n"
+        self.send_command(command)
+
+    def write_coord(self, axis, value, speed):
+        coords = self.get_coords()
+        if coords != self.invalid_coords():
+            coords[axis] = value
+            self.write_coords(coords, speed)
+
+    def write_angles(self, angles, speed):
+        """set angles,设置角度"""
+        command = "set_angles("
+        for item in angles:
+            command += str(item) + ","
+        command += str(speed) + ")\n"
+        self.send_command(command)
+
+    def write_angle(self, joint, value, speed):
+        angles = self.get_angles()
+        if angles != self.invalid_coords():
+            angles[joint] = value
+            self.write_angles(angles, speed)
+
+    def set_speed(self, percentage):
+        command = "set_speed(" + str(percentage) + ")\n"
+        self.send_command(command)
+
+    def set_carte_torque_limit(self, axis_str, value):
+        command = "set_torque_limit(" + axis_str + "," + str(value) + ")\n"
+        self.send_command(command)
+
+    def set_upside_down(self, up_down):
+        up = "1"
+        if up_down:
+            up = "0"
+        command = "set_upside_down(" + up + ")\n"
+        self.send_command(command)
+
+    def set_payload(self, payload):
+        command = "set_speed(" + str(payload) + ")\n"
+        self.send_command(command)
+
+    def state_on(self):
+        command = "state_on()\n"
+        self.send_command(command)
+
+    def state_off(self):
+        command = "state_off()\n"
+        self.send_command(command)
+
+    def task_stop(self):
+        command = "task_stop()\n"
+        self.send_command(command)
+
+    def jog_angle(self, joint_str, direction, speed):
+        command = (
+            "jog_angle(" + joint_str + "," + str(direction) + "," + str(speed) + ")\n"
+        )
+        self.send_command(command)
+
+    def jog_coord(self, axis_str, direction, speed):
+        command = (
+            "jog_coord(" + axis_str + "," + str(direction) + "," + str(speed) + ")\n"
+        )
+        self.send_command(command)
+
+    def get_digital_in(self, pin_number):
+        command = "get_digital_in(" + str(pin_number) + ")\n"
+        self.send_command(command)
+
+    def get_digital_out(self, pin_number):
+        command = "get_digital_out(" + str(pin_number) + ")\n"
+        self.send_command(command)
+
+    def set_digital_out(self, pin_number, pin_signal):
+        command = "set_digital_out(" + str(pin_number) + "," + str(pin_signal) + ")\n"
+        self.send_command(command)
+
+    def set_analog_out(self, pin_number, pin_signal):
+        command = "set_analog_out(" + str(pin_number) + "," + str(pin_signal) + ")\n"
+        self.send_command(command)
+
+    def get_acceleration(self):
+        command = "get_acceleration()\n"
+        res = self.send_command(command)
+        return self.string_to_int(res)
+
+    def set_acceleration(self, acceleration):
+        command = "set_acceleration(" + str(acceleration) + ")\n"
+        self.send_command(command)
+
+    def command_wait_done(self):
+        command = "wait_command_done()\n"
+        self.send_command(command)
+
+    def wait(self, seconds):
+        command = "wait(" + str(seconds) + ")\n"
+        self.send_command(command)
+
+    def assign_variable(self, var_name, var_value):
+        command = 'assign_variable("' + str(var_name) + '",' + str(var_value) + ")\n"
+        self.send_command(command)
+
+    def get_variable(self, var_name):
+        command = 'get_variable("' + str(var_name) + '")\n'
+        return self.send_command(command)
+
+
+old_list = []
 
 
 def callback(data):
-    rospy.loginfo(rospy.get_caller_id() + "%s", data)
+    """callback function,回调函数"""
+    global old_list
+    # rospy.loginfo(rospy.get_caller_id() + "%s", data.position)
+    print ("position", data.position)
     data_list = []
     for index, value in enumerate(data.position):
-        # if index != 2:
-        #     value *= -1
+        value = value * 180 / math.pi
         data_list.append(value)
+    print ("data", data_list)
 
-    mc.send_radians(data_list, 80)
+    if not old_list:
+        old_list = data_list
+        mc.write_angles(data_list, 1999)
+    elif old_list != data_list:
+        old_list = data_list
+        if mc.check_running():
+            mc.task_stop()
+            time.sleep(0.05)
+
+        mc.write_angles(data_list, 1999)
 
 
 def listener():
     global mc
-    rospy.init_node("mycobot_reciver", anonymous=True)
+    rospy.init_node("control_slider", anonymous=True)
 
-    port = rospy.get_param("~port", "/dev/ttyUSB0")
-    baud = rospy.get_param("~baud", 1000000)
-    print(port, baud)
-    mc = MyCobot(port, baud)
+    ip = rospy.get_param("~ip", "192.168.1.159")
+    print (ip)
+    mc = ElephantRobot(ip, 5001)
+    # START CLIENT,启动客户端
+    res = mc.start_client()
+    if res != "":
+        print res
+        sys.exit(1)
+        print ep.wait(5)
+    print mc.get_angles()
+    print mc.get_coords()
+    mc.set_speed(30)
+    print mc.get_speed()
 
     rospy.Subscriber("joint_states", JointState, callback)
 
     # spin() simply keeps python from exiting until this node is stopped
-    # spin() 只是阻止 python 退出，直到该节点停止
+    # spin()只是阻止python退出，直到该节点停止
+    print ("sping ...")
     rospy.spin()
 
 
 if __name__ == "__main__":
-    listener()
+    listener()
\ No newline at end of file