diff --git a/..gitignore.swp b/..gitignore.swp
new file mode 100644
index 0000000..b5170d1
Binary files /dev/null and b/..gitignore.swp differ
diff --git a/vd960Loop/utilities/at32f421_freertos_demo/src/main.c b/vd960Loop/utilities/at32f421_freertos_demo/src/main.c
index a99611b..9aa4f7b 100644
--- a/vd960Loop/utilities/at32f421_freertos_demo/src/main.c
+++ b/vd960Loop/utilities/at32f421_freertos_demo/src/main.c
@@ -40,6 +40,7 @@
 volatile uint8_t usart1_rx_dma_status = 0;
 Pkg_Uart g_pkg_uart_1 = { 0, 0, 0, "", 0};
 Pkg_Uart g_pkg_uart_report = { 0, 0, 0, "", 0};
+static uint8_t tmp_ble_buf[BUFF_STACK_SIZE];
 
 
 /** @addtogroup FreeRTOS_demo
@@ -52,7 +53,6 @@ __IO uint32_t sys_counter = 0;
 
 __IO uint64_t TimingDelayInc;
 __IO uint32_t TimingDelayDec;
-uint8_t g_input_div = 1;
 
 TaskHandle_t loop_task_handler;
 
@@ -60,8 +60,6 @@ TaskHandle_t loop_task_handler;
 #define WDT_TIMEOUT_MS  3000  // 看门狗超时时间 3秒
 void wdt_init(void);
 void wdt_feed(void);
-uint8_t g_input_div = 1;
-
 
 tmr_output_config_type tmr_oc_init_structure;