diff --git a/app/isr.c b/app/isr.c
index 74b0b3d..fb15b11 100644
--- a/app/isr.c
+++ b/app/isr.c
@@ -37,6 +37,8 @@
 #include "by_button.h"
 #include "by_buzzer.h"
 #include "by_frame.h"
+#include "by_led.h"
+#include "jj_param.h"
 
 void NMI_Handler(void) __attribute__((interrupt()));
 void HardFault_Handler(void) __attribute__((interrupt()));
@@ -284,7 +286,9 @@ void EXTI15_10_IRQHandler(void)
 void TIM1_UP_IRQHandler(void)
 {
     if (TIM_GetITStatus(TIM1, TIM_IT_Update) != RESET) {
+        by_frame_send(2, &tiny_frame_param[0].u32);
         TIM_ClearITPendingBit(TIM1, TIM_IT_Update);
+        by_led_warn_blink();
     }
 }
 
diff --git a/app/main.c b/app/main.c
index b3af527..f538fd7 100644
--- a/app/main.c
+++ b/app/main.c
@@ -48,7 +48,7 @@ int main(void)
 
     Page_Init();
 
-    pit_ms_init(TIM1_PIT, 1);
+    pit_ms_init(TIM1_PIT, 10);
 
     by_frame_init();
 
@@ -59,7 +59,7 @@ int main(void)
         tiny_frame_param[0].f32 = pure_angle;
         tiny_frame_param[1].f32 = near_angle;
         // by_frame_parse(1, &tiny_frame_param[0].u32);
-        by_frame_send(2, &tiny_frame_param[0].u32);
+
         // uart_write_byte(BY_FRAME_UART_INDEX, a++);
         if (mt9v03x_finish_flag) {
             // 该操作消耗大概 1970 个 tick，折合约 110us