diff --git a/app/Middlewares/lwip/arch/lwip_comm.c b/app/Middlewares/lwip/arch/lwip_comm.c
index 89bb7c4..fc59616 100644
--- a/app/Middlewares/lwip/arch/lwip_comm.c
+++ b/app/Middlewares/lwip/arch/lwip_comm.c
@@ -304,7 +304,7 @@ void lwip_periodic_handle(void *argument)
                         g_lwipdev.gateway[0] = (uint8_t)(gw);
                         printf("通过DHCP获取到的默认网关..........%d.%d.%d.%d\r\n", g_lwipdev.gateway[0], g_lwipdev.gateway[1], g_lwipdev.gateway[2], g_lwipdev.gateway[3]);
                         
-                        g_lwipdev.lwip_display_fn(2);
+                        g_lwipdev.lwip_display_fn();
                     }
                 }
                 else
@@ -325,7 +325,7 @@ void lwip_periodic_handle(void *argument)
                         sprintf((char *)iptxt, "%s", ip4addr_ntoa(netif_ip4_addr(netif)));
                         printf ("DHCP Timeout !! \r\n");
                         printf ("Static IP address: %s\r\n", iptxt);
-                        g_lwipdev.lwip_display_fn(2);
+                        g_lwipdev.lwip_display_fn();
                     }
                 }
             }
diff --git a/app/Middlewares/lwip/arch/lwip_comm.h b/app/Middlewares/lwip/arch/lwip_comm.h
index b614557..9886664 100644
--- a/app/Middlewares/lwip/arch/lwip_comm.h
+++ b/app/Middlewares/lwip/arch/lwip_comm.h
@@ -43,7 +43,7 @@
 /* DHCP服务器最大重试次数 */
 #define LWIP_MAX_DHCP_TRIES             (uint8_t) 4
 
-typedef void (*display_fn)(uint8_t index);
+typedef void (*display_fn)();
 
 /*lwip控制结构体*/
 typedef struct  
diff --git a/app/User/freertos_demo.c b/app/User/freertos_demo.c
index 1112e45..3139267 100644
--- a/app/User/freertos_demo.c
+++ b/app/User/freertos_demo.c
@@ -68,37 +68,28 @@ void led_task(void* pvParameters); /* 任务函数 */
  *                      bit1:0,不加载;1,加载后半部分UI
  * @retval      无
  */
-void lwip_test_ui(uint8_t mode) {
+void lwip_test_ui(void) {
   uint8_t speed;
   uint8_t buf[30];
 
-  if (mode & 1 << 0) {
-    printf("STM32\r\n");
-    printf("lwIP UDPBroadcastTest\r\n");
-    printf("ATOM@ALIENTEK\r\n");
-  }
-
-  if (mode & 1 << 1) {
-    // lcd_fill(5, 110, lcddev.width,lcddev.height, WHITE);
-    printf("lwIP Init Successed\r\n");
+  printf("lwIP Init Successed\r\n");
 
-    if (g_lwipdev.dhcpstatus == 2) {
-      sprintf((char*)buf, "DHCP IP:%d.%d.%d.%d", g_lwipdev.ip[0], g_lwipdev.ip[1], g_lwipdev.ip[2],
-              g_lwipdev.ip[3]); /* 显示动态IP地址 */
-    } else {
-      sprintf((char*)buf, "Static IP:%d.%d.%d.%d", g_lwipdev.ip[0], g_lwipdev.ip[1], g_lwipdev.ip[2],
-              g_lwipdev.ip[3]); /* 打印静态IP地址 */
-    }
+  if (g_lwipdev.dhcpstatus == 2) {
+    sprintf((char*)buf, "DHCP IP:%d.%d.%d.%d", g_lwipdev.ip[0], g_lwipdev.ip[1], g_lwipdev.ip[2],
+            g_lwipdev.ip[3]); /* 显示动态IP地址 */
+  } else {
+    sprintf((char*)buf, "Static IP:%d.%d.%d.%d", g_lwipdev.ip[0], g_lwipdev.ip[1], g_lwipdev.ip[2],
+            g_lwipdev.ip[3]); /* 打印静态IP地址 */
+  }
 
-    printf("%s\r\n", (char*)buf);
+  printf("%s\r\n", (char*)buf);
 
-    speed = ethernet_chip_get_speed(); /* 得到网速 */
+  speed = ethernet_chip_get_speed(); /* 得到网速 */
 
-    if (speed) {
-      printf("Ethernet Speed:100M\r\n");
-    } else {
-      printf("Ethernet Speed:10M\r\n");
-    }
+  if (speed) {
+    printf("Ethernet Speed:100M\r\n");
+  } else {
+    printf("Ethernet Speed:10M\r\n");
   }
 }
 
@@ -129,8 +120,6 @@ void start_task(void* pvParameters) {
 
   g_lwipdev.lwip_display_fn = lwip_test_ui;
 
-  lwip_test_ui(1); /* 加载后前部分UI */
-
   while (lwip_comm_init() != 0) {
     printf("lwIP Init failed!!\r\n");
     delay_ms(500);