diff --git a/bash/modify_device_name.sh b/bash/modify_device_name.sh
new file mode 100644
index 0000000..3f6b7d5
--- /dev/null
+++ b/bash/modify_device_name.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+rm /home/pi/device_name
+cp ../conf/tmp/device_name /home/pi
\ No newline at end of file
diff --git a/conf/device/device.conf b/conf/device/device.conf
index 27e0530..5cf1490 100644
--- a/conf/device/device.conf
+++ b/conf/device/device.conf
@@ -1,47 +1,48 @@
 # 设备1
-[lot_mqtt_device1]
+# 编号
+[lihai_lot_walnutpi_dev_1]
 # 订阅的控制主题，必须和系统设置的相同
-subscribe_topic=lot_mqtt_device1
+subscribe_topic=lihai_lot_walnutpi_dev_1
 # 发布消息的主题
 publish_topic=device1
 username=demo
 password=123456
 ####################################
-[lot_mqtt_device2]
+[lihai_lot_walnutpi_dev_2]
 # 订阅的控制主题，必须和系统设置的相同
-subscribe_topic=lot_mqtt_device2
+subscribe_topic=lihai_lot_walnutpi_dev_2
 # 发布消息的主题
 publish_topic=device2
 username=demo
 password=123456
 ####################################
-[lot_mqtt_device3]
+[lihai_lot_walnutpi_dev_3]
 # 订阅的控制主题，必须和系统设置的相同
-subscribe_topic=lot_mqtt_device3
+subscribe_topic=lihai_lot_walnutpi_dev_3
 # 发布消息的主题
 publish_topic=device3
 username=demo
 password=123456
 ####################################
-[lot_mqtt_device4]
+[lihai_lot_walnutpi_dev_4]
 # 订阅的控制主题，必须和系统设置的相同
-subscribe_topic=lot_mqtt_device4
+subscribe_topic=lihai_lot_walnutpi_dev_4
 # 发布消息的主题
 publish_topic=device4
 username=demo
 password=123456
 ####################################
-[lot_mqtt_device5]
+[lihai_lot_walnutpi_dev_5]
 # 订阅的控制主题，必须和系统设置的相同
-subscribe_topic=lot_mqtt_device5
+subscribe_topic=lihai_lot_walnutpi_dev_5
 # 发布消息的主题
 publish_topic=device5
 username=demo
 password=123456
 ####################################
-[lot_mqtt_device6]
+[lihai_lot_walnutpi_dev_6]
 # 订阅的控制主题，必须和系统设置的相同
-subscribe_topic=lot_mqtt_device6
+subscribe_topic=lihai_lot_walnutpi_dev_6
 # 发布消息的主题
 publish_topic=device6
 username=demo
diff --git a/conf/tmp/device_name b/conf/tmp/device_name
new file mode 100644
index 0000000..cb0d5b6
--- /dev/null
+++ b/conf/tmp/device_name
@@ -0,0 +1 @@
+lihai_lot_walnutpi_dev_1
\ No newline at end of file
diff --git a/sensor_to_server.py b/sensor_to_server.py
index b511b5b..846aa14 100755
--- a/sensor_to_server.py
+++ b/sensor_to_server.py
@@ -233,7 +233,7 @@ def on_connect(client, userdata, flags, rc):
 
 
 if __name__ == '__main__':
-    print(broker, port, subscribe_topic, publish_topic, username, password)
+    # print(broker, port, subscribe_topic, publish_topic, username, password)
     # 千万不要指定client_id 不然死翘翘!!!
     client = mqtt.Client()
     client.username_pw_set(username, password)