diff --git a/MDK-ARM/TEST2.uvoptx b/MDK-ARM/TEST2.uvoptx
index a476ff9..761757b 100644
--- a/MDK-ARM/TEST2.uvoptx
+++ b/MDK-ARM/TEST2.uvoptx
@@ -148,24 +148,7 @@
           <Name>-UB -O2254 -SF1800 -C0 -A0 -I0 -HNlocalhost -HP7184 -P1 -N00("ARM CoreSight SW-DP (ARM Core") -D00(2BA01477) -L00(0) -TO131090 -TC10000000 -TT10000000 -TP21 -TDS8000 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO7 -FD20000000 -FC800 -FN1 -FF0STM32F4xx_1024.FLM -FS08000000 -FL0100000 -FP0($$Device:STM32F407VGTx$CMSIS\Flash\STM32F4xx_1024.FLM)</Name>
         </SetRegEntry>
       </TargetDriverDllRegistry>
-      <Breakpoint>
-        <Bp>
-          <Number>0</Number>
-          <Type>0</Type>
-          <LineNumber>117</LineNumber>
-          <EnabledFlag>1</EnabledFlag>
-          <Address>134252704</Address>
-          <ByteObject>0</ByteObject>
-          <HtxType>0</HtxType>
-          <ManyObjects>0</ManyObjects>
-          <SizeOfObject>0</SizeOfObject>
-          <BreakByAccess>0</BreakByAccess>
-          <BreakIfRCount>1</BreakIfRCount>
-          <Filename>../Core/Src/main.c</Filename>
-          <ExecCommand></ExecCommand>
-          <Expression>\\TEST2\../Core/Src/main.c\117</Expression>
-        </Bp>
-      </Breakpoint>
+      <Breakpoint/>
       <WatchWindow1>
         <Ww>
           <count>0</count>
diff --git a/User/application/src/tcpserverc.c b/User/application/src/tcpserverc.c
index f9b5a2b..5e37a94 100644
--- a/User/application/src/tcpserverc.c
+++ b/User/application/src/tcpserverc.c
@@ -33,7 +33,7 @@ static err_t tcpecho_recv(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t
 #if 1
         memcpy(hart1_uart5.tx_data, (int *)p->payload, p->tot_len);
         HART1_RTS_SEND;
-        HAL_UART_Transmit(&huart5, hart1_uart5.tx_data, p->tot_len, 100);
+        HAL_UART_Transmit(&huart5, hart1_uart5.tx_data, p->tot_len, 1000);
         HART1_RTS_RECEIVE;
 #endif
 #if 0
@@ -158,126 +158,3 @@ void user_send_data_hart2(uint8_t *data, uint16_t len)
         tcp_write(server_pcb2, data, len, 1);
     }
 }
-// #include "lwip/tcp.h"
-// #include "lwip/pbuf.h"
-// #include "lwip/err.h"
-// #include "lwip/sys.h"
-// #include "stm32f4xx_hal.h"  // 根据具体的 STM32 系列修改头文件
-
-// // 定义多个端口号
-// #define PORT1 5000
-// #define PORT2 6000
-
-// // 定义 TCP 连接状态
-// enum tcp_states {
-//     TCP_STATE_CLOSED,
-//     TCP_STATE_LISTEN,
-//     TCP_STATE_CONNECTED
-// };
-
-// // 定义 TCP 连接结构体
-// struct tcp_connection {
-//     struct tcp_pcb *pcb;
-//     enum tcp_states state;
-// };
-
-// // TCP 接收回调函数
-// static err_t tcp_recv_callback(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) {
-//     if (err == ERR_OK && p!= NULL) {
-//         // 打印接收到的数据
-//         for (u16_t i = 0; i < p->len; i++) {
-//             printf("Received on TCP: %c", ((char *)p->payload)[i]);
-//         }
-//         printf("\n");
-//         // 释放接收缓冲区
-//         pbuf_free(p);
-//     }
-//     return ERR_OK;
-// }
-
-// // TCP 错误回调函数
-// static void tcp_err_callback(void *arg, err_t err) {
-//     struct tcp_connection *conn = (struct tcp_connection *)arg;
-//     if (conn->pcb!= NULL) {
-//         tcp_close(conn->pcb);
-//         mem_free(conn);
-//     }
-// }
-
-// // TCP 连接回调函数
-// static err_t tcp_accept_callback(void *arg, struct tcp_pcb *pcb, err_t err) {
-//     struct tcp_connection *conn = (struct tcp_connection *)mem_malloc(sizeof(struct tcp_connection));
-//     if (conn == NULL) {
-//         tcp_close(pcb);
-//         return ERR_MEM;
-//     }
-//     conn->pcb = pcb;
-//     conn->state = TCP_STATE_CONNECTED;
-//     tcp_arg(pcb, conn);
-//     tcp_recv(pcb, tcp_recv_callback);
-//     tcp_err(pcb, tcp_err_callback);
-//     return ERR_OK;
-// }
-
-// int main(void) {
-//     struct tcp_pcb *pcb1;
-//     struct tcp_pcb *pcb2;
-//     struct tcp_connection *conn1;
-//     struct tcp_connection *conn2;
-
-//     // 初始化 STM32 硬件（例如以太网）
-//     HAL_Init();
-//     // 初始化 LwIP 协议栈
-//     lwip_init();
-
-//     // 创建第一个 TCP PCB
-//     pcb1 = tcp_new();
-//     if (pcb1 == NULL) {
-//         printf("Error creating TCP PCB1\n");
-//         return -1;
-//     }
-//     if (tcp_bind(pcb1, IP_ADDR_ANY, PORT1)!= ERR_OK) {
-//         printf("Error binding TCP PCB1 to port %d\n", PORT1);
-//         tcp_close(pcb1);
-//         return -1;
-//     }
-//     pcb1 = tcp_listen(pcb1);
-//     conn1 = mem_malloc(sizeof(struct tcp_connection));
-//     if (conn1 == NULL) {
-//         tcp_close(pcb1);
-//         return -1;
-//     }
-//     conn1->pcb = pcb1;
-//     conn1->state = TCP_STATE_LISTEN;
-//     tcp_arg(pcb1, conn1);
-//     tcp_accept(pcb1, tcp_accept_callback);
-
-//     // 创建第二个 TCP PCB
-//     pcb2 = tcp_new();
-//     if (pcb2 == NULL) {
-//         printf("Error creating TCP PCB2\n");
-//         return -1;
-//     }
-//     if (tcp_bind(pcb2, IP_ADDR_ANY, PORT2)!= ERR_OK) {
-//         printf("Error binding TCP PCB2 to port %d\n", PORT2);
-//         tcp_close(pcb2);
-//         return -1;
-//     }
-//     pcb2 = tcp_listen(pcb2);
-//     conn2 = mem_malloc(sizeof(struct tcp_connection));
-//     if (conn2 == NULL) {
-//         tcp_close(pcb2);
-//         return -1;
-//     }
-//     conn2->pcb = pcb2;
-//     conn2->state = TCP_STATE_LISTEN;
-//     tcp_arg(pcb2, conn2);
-//     tcp_accept(pcb2, tcp_accept_callback);
-
-//     while (1) {
-//         // 主循环中处理系统超时和其他任务
-//         sys_check_timeouts();
-//     }
-
-//     return 0;
-// }