diff --git a/main.py b/main.py
index 48ba974..d36b629 100644
--- a/main.py
+++ b/main.py
@@ -4,7 +4,7 @@ import psutil
 ##############################################
 ####### User Defined Area 用户自定义区 ########
 
-uuid = "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa"
+sn = "V0000T0000"
 mount_point0 = '/'
 mount_point1 = '/'
 
@@ -12,7 +12,7 @@ mount_point1 = '/'
 ############################################## 
 
 
-url = "http://iot.vvzero.com/topuino/putdata"
+url = "https://iot.vvzero.com/topuino/putdata"
 
 while True:
     try:
@@ -30,7 +30,7 @@ while True:
         net_recv_after = psutil.net_io_counters().bytes_recv
 
         data = {
-            'UUID': uuid,
+            'SN': sn,
             'CPU_PERCENT': cpu_percent,
             'MEM_PERCENT': mem_percent,
             'DISK_PERCENT': disk_percent,