diff --git a/README.md b/README.md
index 019cfba..2fc3e13 100644
--- a/README.md
+++ b/README.md
@@ -10,4 +10,6 @@ V3
         FPGA寄存器初始化提前
 V4
         添加光源电源控制，等到FPGA启动后再打开光源。
+V5
+        失能掉网卡接口
 ```
\ No newline at end of file
diff --git a/release/camera_light_src_timing_controller_stm32_v5.zip b/release/camera_light_src_timing_controller_stm32_v5.zip
new file mode 100644
index 0000000..019010c
Binary files /dev/null and b/release/camera_light_src_timing_controller_stm32_v5.zip differ
diff --git a/release/v4.0.zip b/release/v4.0.zip
new file mode 100644
index 0000000..c0b3042
Binary files /dev/null and b/release/v4.0.zip differ
diff --git a/usrc/main.cpp b/usrc/main.cpp
index 98d3bd4..069c729 100644
--- a/usrc/main.cpp
+++ b/usrc/main.cpp
@@ -148,7 +148,7 @@ void umain() {
   /**
    * @brief 初始化网络服务
    */
-  network_service_init();
+//  network_service_init();
   /**
    * @brief reg_manager init
    */
diff --git a/usrc/project_configs.h b/usrc/project_configs.h
index 06a7225..0f1cf61 100644
--- a/usrc/project_configs.h
+++ b/usrc/project_configs.h
@@ -4,7 +4,7 @@
  *                                项目基础配置                                 *
  *******************************************************************************/
 
-#define PC_VERSION           4
+#define PC_VERSION           5
 #define PC_MANUFACTURER0     ('i' | 'f' << 8 | 'l' << 16 | 'y' << 24)
 #define PC_MANUFACTURER1     ('t' | 'o' << 8 | 'p' << 16 | '\0' << 24)
 #define PC_PROJECT_NAME      "zaf_lstc"
diff --git a/usrc/service/extern_if_service.c b/usrc/service/extern_if_service.c
index 2313ac0..087da0a 100644
--- a/usrc/service/extern_if_service.c
+++ b/usrc/service/extern_if_service.c
@@ -178,7 +178,7 @@ static void uart_receiver_thread(const void *) {
 }
 
 void extern_if_service_init() {  //
-  ZASSERT(zaf_udp_init(&m_udp_cmd_server, "extern_if_udp", ZAF_SERVICE_DEVICE_PORT, udp_on_packet, 1024, NULL));
+//  ZASSERT(zaf_udp_init(&m_udp_cmd_server, "extern_if_udp", ZAF_SERVICE_DEVICE_PORT, udp_on_packet, 1024, NULL));
 
   osThreadDef(cmdUartReceiverThread, uart_receiver_thread, osPriorityNormal, 0, 512);
   m_cmd_uart_receiver_thread = osThreadCreate(osThread(cmdUartReceiverThread), NULL);