diff --git a/MQTT.py b/MQTT.py
index 38d3ae1..fd8154f 100644
--- a/MQTT.py
+++ b/MQTT.py
@@ -1,56 +1,70 @@
 import json
+import time
 
 import paho.mqtt.client as mqtt
 
 from tool import push_stream, close_stream, update, exec_sh, get_record, get_list_record, get_status
 
 
-class MQTT:
-    def on_connect(self, client, userdata, flags, rc):
-        if rc == 0:
-            client.subscribe('lot_mqtt')
-    def on_connect_fail(self):
-        pass
-    # Message receiving callback
-    def on_message(self, client, userdata, msg):
-        data = json.loads(msg.payload.decode('utf-8'))["msg"]
-        if data == "push_stream":
-            # 启动推流视频
-            push_stream(client)
-        elif data == "close_stream":
-            # 关闭推流视频
-            close_stream(client)
-        elif data == "exec":
-            #  执行命令
-            exec_sh(msg, client)
-        elif data == "update":
-            #  git更新项目和配置文件
-            update(client)
-        elif data == "record_list":
-            # 查看录像列表
-            get_list_record()
-        elif data == "record":
-            # 获取录像
-            get_record(msg, self.client)
-        elif data == "status":
-            # 查看运行状态
-            get_status(self.client)
-        else:
-            # 错误类型
-            client.publish('success', payload='No Such Type', qos=0)
+def on_connect(client, userdata, flags, rc):
+    if rc == 0:
+        client.subscribe('lot_mqtt')
 
-    def __init__(self):
-        self.client = mqtt.Client(client_id='device1')
-        self.client.username_pw_set("demo", "123456")
-        # Specify callback function
-        self.client.on_connect = self.on_connect
-        self.client.on_message = self.on_message
-        # Establish a connection
-        # ceshi-mqtt.lihaink.cn
-        self.client.connect('192.168.1.27', 1883)
-        # Publish a message
-        self.client.loop_forever(retry_first_connection=True)
+
+# Message receiving callback
+def on_message(client, userdata, msg):
+    data = json.loads(msg.payload.decode('utf-8'))["msg"]
+    if data == "push_stream":
+        # 启动推流视频
+        push_stream(client)
+    elif data == "close_stream":
+        # 关闭推流视频
+        close_stream(client)
+    elif data == "exec":
+        #  执行命令
+        exec_sh(msg, client)
+    elif data == "update":
+        #  git更新项目和配置文件
+        update(client)
+    elif data == "record_list":
+        # 查看录像列表
+        get_list_record()
+    elif data == "record":
+        # 获取录像
+        get_record(msg, client)
+    elif data == "status":
+        # 查看运行状态
+        get_status(client)
+    else:
+        # 错误类型
+        client.publish('success', payload='No Such Type', qos=0)
+
+
+times = 120
+
+
+def exec_shutdown():
+    pass
 
 
 if __name__ == '__main__':
-    mq = MQTT()
+
+    while True:
+        try:
+            client = mqtt.Client(client_id='device1')
+            client.username_pw_set("demo", "123456")
+            # Specify callback function
+            client.on_connect = on_connect
+            client.on_message = on_message
+            # Establish a connection
+            # ceshi-mqtt.lihaink.cn
+            client.connect('192.168.1.27', 1883)
+            # Publish a message
+            client.loop_forever()
+        except:
+            print("等待30秒重新连接客户端")
+            time.sleep(30)
+            if times != 0:
+                times -= 1
+                # 重启机器
+                exec_shutdown()
diff --git a/ceshi2.py b/ceshi2.py
deleted file mode 100644
index 95f6a88..0000000
--- a/ceshi2.py
+++ /dev/null
@@ -1,38 +0,0 @@
-import subprocess
-import time
-import paho.mqtt.client as mqtt
-
-
-def on_connect(client, userdata, flags, rc):
-    global times
-    if rc == 0:
-        print("连接成功，执行数据推送和本地存储")
-        subprocess.Popen(["supervisorctl stop sensor_to_local && supervisorctl start sensor_to_server"])
-        times = 3
-
-
-def on_connect_fail():
-    print("失败，执行本地存储")
-    subprocess.Popen(["supervisorctl stop sensor_to_server && supervisorctl start sensor_to_local"])
-
-
-times = 3
-if __name__ == '__main__':
-
-    while True:
-        try:
-            client = mqtt.Client()
-            client.username_pw_set("demo", "123456")
-            # Specify callback function
-            client.on_connect = on_connect
-            client.on_connect_fail = on_connect_fail
-            # Establish a connection
-            client.connect('127.0.0.1', 1883)
-            # Publish a message
-            client.loop_forever()
-        except Exception as e:
-            print("等待5秒重新连接客户端")
-            time.sleep(5)
-            if times != 0:
-                times -= 1
-                on_connect_fail()