diff --git a/MDK-ARM/LWIP.uvguix.29643 b/MDK-ARM/LWIP.uvguix.29643
index dc45ae0..e1bbde2 100644
--- a/MDK-ARM/LWIP.uvguix.29643
+++ b/MDK-ARM/LWIP.uvguix.29643
@@ -3742,8 +3742,8 @@
       <Doc>
         <Name>..\usersrc\udpclient.c</Name>
         <ColumnNumber>0</ColumnNumber>
-        <TopLine>168</TopLine>
-        <CurrentLine>201</CurrentLine>
+        <TopLine>164</TopLine>
+        <CurrentLine>171</CurrentLine>
         <Folding>1</Folding>
         <ContractedFolders></ContractedFolders>
         <PaneID>0</PaneID>
diff --git a/usersrc/udpclient.c b/usersrc/udpclient.c
index c2da189..0171f50 100644
--- a/usersrc/udpclient.c
+++ b/usersrc/udpclient.c
@@ -10,6 +10,13 @@
 #include "encoder.h"
 #include "zport.h"
 
+#define cmd_checksum(data)                                             \
+    if (computesum8((char *)data, recv_datalen - 1) != data->checksum) \
+    {                                                                  \
+        printf("checksum error\r\n");                                  \
+        return;                                                        \
+    }
+
 static bool udp_client_active_flag;
 
 /* 定义端口号 */
@@ -161,15 +168,10 @@ void udp_client_parse(int recv_datalen)
     else if (recv_datalen <= basic_report_data_size)
     {
         basic_report_data_t *rxcmd = (basic_report_data_t *)s_receBuf;
-        if (computesum8((char *)rxcmd, recv_datalen - 1) != rxcmd->checksum)
-        {
-            /* 校验失败 */
-            printf("checksum error\r\n");
-            return;
-        }
         switch (rxcmd->cmd_id)
         {
         case CMD_SET_AUTOMATIC_REPORTING_FREQUENCY: /* 设置自动上报频率 */
+            cmd_checksum(rxcmd);
             if (rxcmd->data >= 10)
             {
                 active_report_cycle = rxcmd->data;
@@ -180,6 +182,7 @@ void udp_client_parse(int recv_datalen)
             /* code */
             break;
         case CMD_SET_ACTIVE: /* 设置主动上报 */
+            cmd_checksum(rxcmd);
             if ((rxcmd->data == 0) || (rxcmd->data == 1))
             {
                 udp_client_active_flag = rxcmd->data;