diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index a6f0827..2ebce4d 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -1,2 +1,2 @@
-idf_component_register(SRCS "gatts_demo.c" "motor_drive.c" "t_bluetooth.c"
+idf_component_register(SRCS "gatts_demo.c" "motor_drive.c" "t_bluetooth.c" "t_timer.h"
                     INCLUDE_DIRS ".")
diff --git a/main/gatts_demo.c b/main/gatts_demo.c
index fe91839..737623e 100644
--- a/main/gatts_demo.c
+++ b/main/gatts_demo.c
@@ -32,7 +32,6 @@ ble_gatts_str_t ble_gatts_a_str = {
 /***********************************************************************************************************************
  * **********************************************user_function_statement********************************************** *
  ***********************************************************************************************************************/
-void buffer_all_init();
 void bluetooth_gatts_try_process_data();
 void timer_set_pause_and_counter_zero(int group, int timer);
 void port_timer_delay_ms(uint64_t delay);
diff --git a/main/t_timer.c b/main/t_timer.c
new file mode 100644
index 0000000..e69de29
diff --git a/main/t_timer.h b/main/t_timer.h
new file mode 100644
index 0000000..e69de29