diff --git a/sensor_to_local.py b/sensor_to_local.py
index 920e784..932a868 100755
--- a/sensor_to_local.py
+++ b/sensor_to_local.py
@@ -19,7 +19,7 @@ if __name__ == '__main__':
 
     windspeed_send = '04 03 00 00 00 02 C4 5E'  # 风速查询指令
     winddirection_send = '05 03 00 00 00 02 C5 8F'  # 风向查询指令
-    ser = serial.Serial("/dev/ttyS2", 9600)
+
 
     # 发送的数据转为2进制b'\x01\x03\x00\x00\x00\x02\xc4\x0b'
     temp_send = bytes.fromhex(temp_send)
@@ -33,6 +33,7 @@ if __name__ == '__main__':
     winddirection_send = bytes.fromhex(winddirection_send)
     while True:
         try:
+            ser = serial.Serial("/dev/ttyS2", 9600)
             #  if ser.is_open:
             ser.write(temp_send)
             time.sleep(1)
diff --git a/sensor_to_server.py b/sensor_to_server.py
index d8ee4e3..d0cb285 100755
--- a/sensor_to_server.py
+++ b/sensor_to_server.py
@@ -23,7 +23,6 @@ def t():
 
     windspeed_send = '04 03 00 00 00 02 C4 5E'  # 风速查询指令
     winddirection_send = '05 03 00 00 00 02 C5 8F'  # 风向查询指令
-    ser = serial.Serial("/dev/ttyS2", 9600)
 
     # 发送的数据转为2进制b'\x01\x03\x00\x00\x00\x02\xc4\x0b'
     temp_send = bytes.fromhex(temp_send)
@@ -37,6 +36,7 @@ def t():
     winddirection_send = bytes.fromhex(winddirection_send)
     while True:
         try:
+            ser = serial.Serial("/dev/ttyS2", 9600)
             #  if ser.is_open:
             ser.write(temp_send)
             time.sleep(1)