diff --git a/MDK-ARM/LWIP.uvguix.29643 b/MDK-ARM/LWIP.uvguix.29643
index e7e43a5..b4c71fe 100644
--- a/MDK-ARM/LWIP.uvguix.29643
+++ b/MDK-ARM/LWIP.uvguix.29643
@@ -110,8 +110,8 @@
     <MDIClientArea>
       <RegID>0</RegID>
       <MDITabState>
-        <Len>1268</Len>
-        <Data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ata>
+        <Len>1484</Len>
+        <Data>0100000004000000010000000100000001000000010000000000000002000000000000000100000001000000000000002800000028000000010000000C0000000B0000000100000052433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C5372635C6672656572746F732E63000000000A6672656572746F732E6300000000C5D4F200FFFFFFFF56433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C757365727372635C757365726D61696E2E63000000000A757365726D61696E2E6300000000FFDC7800FFFFFFFF54433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C757365727372635C7A666C6173682E6300000000087A666C6173682E6300000000BECEA100FFFFFFFF54433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C757365727372635C636F6E6669672E680000000008636F6E6669672E6800000000F0A0A100FFFFFFFF54433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C757365727372635C636F6E6669672E630000000008636F6E6669672E6300000000BCA8E100FFFFFFFF54433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C757365727372635C7A626F6172642E6800000000087A626F6172642E68000000009CC1B600FFFFFFFF55433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C757365727372635C656E636F6465722E630000000009656E636F6465722E6300000000F7B88600FFFFFFFF52433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C757365727372635C7A6B65792E6800000000067A6B65792E6800000000D9ADC200FFFFFFFF52433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C757365727372635C7A6B65792E6300000000067A6B65792E6300000000A5C2D700FFFFFFFF53433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C757365727372635C7A706F72742E6800000000077A706F72742E6800000000B3A6BE00FFFFFFFF53433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C757365727372635C7A706F72742E6300000000077A706F72742E6300000000EAD6A300FFFFFFFF53433A5C55736572735C32393634335C4465736B746F705C705F6C7573746572696E635F63616D6572615F666F63616C6C656E6774685F656E636F6465725F72657365745C757365727372635C6174636D642E6300000000076174636D642E6300000000F6FA7D00FFFFFFFF0100000010000000C5D4F200FFDC7800BECEA100F0A0A100BCA8E1009CC1B600F7B88600D9ADC200A5C2D700B3A6BE00EAD6A300F6FA7D00B5E99D005FC3CF00C1838300CACAD5000100000000000000020000007408000066000000000F0000D4020000</Data>
       </MDITabState>
     </MDIClientArea>
     <ViewEx>
@@ -1806,7 +1806,7 @@
         <Name>File</Name>
         <Buttons>
           <Len>2537</Len>
-          <Data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ata>
+          <Data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ata>
         </Buttons>
         <OriginalItems>
           <Len>1423</Len>
@@ -1822,7 +1822,7 @@
         <Name>Build</Name>
         <Buttons>
           <Len>968</Len>
-          <Data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ata>
+          <Data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ata>
         </Buttons>
         <OriginalItems>
           <Len>583</Len>
@@ -1862,7 +1862,7 @@
     <ActiveMDIGroup>0</ActiveMDIGroup>
     <MDIGroup>
       <Size>100</Size>
-      <ActiveTab>9</ActiveTab>
+      <ActiveTab>11</ActiveTab>
       <Doc>
         <Name>../Src/freertos.c</Name>
         <ColumnNumber>1</ColumnNumber>
@@ -1946,9 +1946,27 @@
       </Doc>
       <Doc>
         <Name>..\usersrc\zport.h</Name>
-        <ColumnNumber>1</ColumnNumber>
+        <ColumnNumber>0</ColumnNumber>
         <TopLine>1</TopLine>
-        <CurrentLine>19</CurrentLine>
+        <CurrentLine>32</CurrentLine>
+        <Folding>1</Folding>
+        <ContractedFolders></ContractedFolders>
+        <PaneID>0</PaneID>
+      </Doc>
+      <Doc>
+        <Name>..\usersrc\zport.c</Name>
+        <ColumnNumber>0</ColumnNumber>
+        <TopLine>68</TopLine>
+        <CurrentLine>102</CurrentLine>
+        <Folding>1</Folding>
+        <ContractedFolders></ContractedFolders>
+        <PaneID>0</PaneID>
+      </Doc>
+      <Doc>
+        <Name>..\usersrc\atcmd.c</Name>
+        <ColumnNumber>0</ColumnNumber>
+        <TopLine>155</TopLine>
+        <CurrentLine>189</CurrentLine>
         <Folding>1</Folding>
         <ContractedFolders></ContractedFolders>
         <PaneID>0</PaneID>
diff --git a/usersrc/atcmd.c b/usersrc/atcmd.c
index 6f87bf2..6eae3c1 100644
--- a/usersrc/atcmd.c
+++ b/usersrc/atcmd.c
@@ -1,4 +1,16 @@
 #include "atcmd.h"
+#include "zport.h"
+
+#define at_processer_rx_buf_size 128
+#define at_processer_tx_buf_size 128
+
+// 接收到了多少数据
+volatile uint16_t s_at_cmd_uart_rx_off = 0;
+// 当前是否正在处理接收到的数据
+volatile bool s_at_cmd_uart_rx_buf_is_processing = false;
+
+static uint8_t at_rx_buf[at_processer_rx_buf_size];
+//static uint8_t at_tx_buf[at_processer_tx_buf_size];
 
 /* AT指令表 */
 const AT_cmd_func at_cmd_func[] = {
@@ -132,3 +144,45 @@ unsigned char at_cmd_parse(unsigned char *p, unsigned char len)
 
     return ret;
 }
+
+void at_cmd_processer_push_data(uint8_t rxdata)
+{
+    if (!s_at_cmd_uart_rx_buf_is_processing)
+    {
+        if (s_at_cmd_uart_rx_off < at_processer_rx_buf_size)
+        {
+            at_rx_buf[s_at_cmd_uart_rx_off] = rxdata;
+            s_at_cmd_uart_rx_off++;
+        }
+    }
+}
+
+void at_cmd_processer_try_process_data(void)
+{
+    /**
+     * @brief
+     * 根据modbus协议，当超过3.5个字符时间后依然没有收到数据
+     */
+    if (s_at_cmd_uart_rx_off != 0)
+    {
+        uint16_t modbus_uart_rx_off_before = s_at_cmd_uart_rx_off;
+
+        HAL_Delay(1);
+
+        sys_critical_enter();
+        if (s_at_cmd_uart_rx_off == modbus_uart_rx_off_before)
+        {
+            s_at_cmd_uart_rx_buf_is_processing = true;
+        }
+        sys_critical_exit();
+
+        if (s_at_cmd_uart_rx_buf_is_processing)
+        {
+            at_cmd_parse(at_rx_buf, s_at_cmd_uart_rx_off);
+            sys_critical_enter();
+            s_at_cmd_uart_rx_off = 0;
+            s_at_cmd_uart_rx_buf_is_processing = false;
+            sys_critical_exit();
+        }
+    }
+}
diff --git a/usersrc/atcmd.h b/usersrc/atcmd.h
index 249156a..4ddadad 100644
--- a/usersrc/atcmd.h
+++ b/usersrc/atcmd.h
@@ -1,6 +1,7 @@
 #pragma once
 #include "main.h"
 #include <stdio.h>
+#include <stdbool.h>
 
 #define AT_SUCCESS (0)        /* 指令正常 */
 #define AT_ERR (1)            /* 指令异常 */
@@ -33,3 +34,5 @@ unsigned char at_cmd_test(unsigned char *p, unsigned char len);
 unsigned char at_cmd_ip(unsigned char *p, unsigned char len);
 unsigned char AT_cmd_search(unsigned char *p, unsigned char len);
 unsigned char at_cmd_parse(unsigned char *p, unsigned char len);
+void at_cmd_processer_push_data(uint8_t rxdata);
+void at_cmd_processer_try_process_data(void);
diff --git a/usersrc/usermain.c b/usersrc/usermain.c
index 2cb9a8d..0fb6128 100644
--- a/usersrc/usermain.c
+++ b/usersrc/usermain.c
@@ -14,6 +14,7 @@
 #include "zflash.h"
 #include "config.h"
 #include "zkey.h"
+#include "atcmd.h"
 
 #define KEY_SCAN_PERIOD 20
 
@@ -76,7 +77,7 @@ void port_mock_on_uart_rx(uart_t *uart)
   // 处理指令串口接收到的数据
   if (uart->uarthandler == &DEBUG_UART)
   {
-    printf("%c", uart->rxbuf);
+    at_cmd_processer_push_data(uart->rxbuf);
   }
 }
 
@@ -96,6 +97,7 @@ void user_main()
     zkey_schedule();
     udp_client_recv();
     encoder_read_printf();
+    at_cmd_processer_try_process_data();
     port_do_debug_light_state();
     osDelay(1);
   }
diff --git a/usersrc/zport.c b/usersrc/zport.c
index 1d63181..a837c58 100644
--- a/usersrc/zport.c
+++ b/usersrc/zport.c
@@ -4,6 +4,8 @@
 #include <stdio.h>
 #include "zboard.h"
 
+uint8_t g_port_exit_critical_count;
+
 uint32_t sys_haspassedms(uint32_t ticket)
 {
   uint32_t nowticket = HAL_GetTick();
@@ -80,3 +82,20 @@ void port_uart_start_all_uart_receive(void)
     uarts_start_receive(&m_uarts[i]);
   }
 }
+
+void sys_critical_enter(void)
+{
+  if (g_port_exit_critical_count == 0)
+  {
+    __disable_irq();
+  }
+  g_port_exit_critical_count++;
+}
+void sys_critical_exit(void)
+{
+  g_port_exit_critical_count--;
+  if (g_port_exit_critical_count == 0)
+  {
+    __enable_irq();
+  }
+}
diff --git a/usersrc/zport.h b/usersrc/zport.h
index cbe0968..d02da4f 100644
--- a/usersrc/zport.h
+++ b/usersrc/zport.h
@@ -15,6 +15,11 @@ void port_do_debug_light_state(void);
 /***********************************************************************************************************************
  * *******************************************************串口******************************************************** *
  ***********************************************************************************************************************/
+// 注意修改这里并不会修改真正的波特率，需要修改usart.c中对应的位置
+// #define at_cmd_baundrate 115200
+/*modebus判断一帧是以是否3.5byte时间内是否收到新的数据*/
+// #define kat_cmd_baundrate_one_packet_delay_us ((1000000 / (at_cmd_baundrate / 8) + 1) * 3) // 211
+
 typedef struct
 {
     UART_HandleTypeDef *uarthandler;
@@ -23,3 +28,5 @@ typedef struct
 
 void port_mock_on_uart_rx(uart_t *uart);
 void port_uart_start_all_uart_receive(void);
+void sys_critical_enter(void);
+void sys_critical_exit(void);